| GUARANTORS OF SECURITIES (Tables)
 | 12 Months Ended | 
| Dec. 31, 2017 | 
|---|
| Guarantees [Abstract] |  | 
| Condensed Balance Sheet | 
Supplemental Condensed Consolidating Balance Sheet as of December 31, 2017 
|  |  
|  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  
|   | Parent |   | Guarantors |   | Non-guarantors |   | Eliminations |   | Consolidated |  
|   | (in thousands, except share data) |  
| ASSETS |   |   |   |   |   |   |   |   |   |  
| Current assets: |   |   |   |   |   |   |   |   |   |  
| Cash and cash equivalents | $ | 10,800 | 
 |   | $ | — | 
 |   | $ | 2,783 | 
 |   | $ | — | 
 |   | $ | 13,583 | 
 |  
| Receivables: |   |   |   |   |   |   |   |   |   |  
| Trade, net of allowance for doubtful accounts | — | 
 |   | 33,092 | 
 |   | 5,872 | 
 |   | — | 
 |   | 38,964 | 
 |  
| Tax receivables | — | 
 |   | — | 
 |   | 2,829 | 
 |   | — | 
 |   | 2,829 | 
 |  
| Other | — | 
 |   | 1,126 | 
 |   | 497 | 
 |   | — | 
 |   | 1,623 | 
 |  
| Inventories, net | — | 
 |   | 20,746 | 
 |   | 366 | 
 |   | — | 
 |   | 21,112 | 
 |  
| Prepaid expenses | 349 | 
 |   | 721 | 
 |   | 133 | 
 |   | — | 
 |   | 1,203 | 
 |  
| Escrow deposits | — | 
 |   | 3,250 | 
 |   | — | 
 |   | — | 
 |   | 3,250 | 
 |  
| Total current assets | 11,149 | 
 |   | 58,935 | 
 |   | 12,480 | 
 |   | — | 
 |   | 82,564 | 
 |  
| Property and equipment | — | 
 |   | 956,918 | 
 |   | 16,024 | 
 |   | — | 
 |   | 972,942 | 
 |  
| Accumulated depreciation | — | 
 |   | (296,573 | ) |   | (2,455 | ) |   | — | 
 |   | (299,028 | ) |  
| Net property and equipment | — | 
 |   | 660,345 | 
 |   | 13,569 | 
 |   | — | 
 |   | 673,914 | 
 |  
| Equity investments and advances | — | 
 |   | 30,056 | 
 |   | — | 
 |   | — | 
 |   | 30,056 | 
 |  
| Investments in consolidated subsidiaries | 161,350 | 
 |   | — | 
 |   | — | 
 |   | (161,350 | ) |   | — | 
 |  
| Intangible assets | — | 
 |   | — | 
 |   | 1,122 | 
 |   | — | 
 |   | 1,122 | 
 |  
| Deferred income taxes | 19,600 | 
 |   | — | 
 |   | — | 
 |   | (19,600 | ) |   | — | 
 |  
| Intercompany receivables | 426,806 | 
 |   | — | 
 |   | — | 
 |   | (426,806 | ) |   | — | 
 |  
| Other assets | 1,011 | 
 |   | 3,370 | 
 |   | 60 | 
 |   | — | 
 |   | 4,441 | 
 |  
| Total assets | $ | 619,916 | 
 |   | $ | 752,706 | 
 |   | $ | 27,231 | 
 |   | $ | (607,756 | ) |   | $ | 792,097 | 
 |  
| LIABILITIES, REDEEMABLE NONCONTROLLING INTEREST AND STOCKHOLDERS’ EQUITY |   |   |   |   |   |   |   |   |   |  
| Current liabilities: |   |   |   |   |   |   |   |   |   |  
| Accounts payable and accrued expenses | $ | 638 | 
 |   | $ | 13,655 | 
 |   | $ | 2,128 | 
 |   | $ | — | 
 |   | $ | 16,421 | 
 |  
| Accrued wages and benefits | — | 
 |   | 6,804 | 
 |   | 1,460 | 
 |   | — | 
 |   | 8,264 | 
 |  
| Accrued interest | 549 | 
 |   | 57 | 
 |   | — | 
 |   | — | 
 |   | 606 | 
 |  
| Accrued income taxes | — | 
 |   | 24 | 
 |   | 4 | 
 |   | — | 
 |   | 28 | 
 |  
| Current portion of long-term debt | — | 
 |   | 1,663 | 
 |   | 1,073 | 
 |   | — | 
 |   | 2,736 | 
 |  
| Accrued other taxes | 18 | 
 |   | 1,192 | 
 |   | 600 | 
 |   | — | 
 |   | 1,810 | 
 |  
| Accrued contingencies | — | 
 |   | — | 
 |   | 859 | 
 |   | — | 
 |   | 859 | 
 |  
| Other current liabilities | 848 | 
 |   | 835 | 
 |   | 37 | 
 |   | — | 
 |   | 1,720 | 
 |  
| Total current liabilities | 2,053 | 
 |   | 24,230 | 
 |   | 6,161 | 
 |   | — | 
 |   | 32,444 | 
 |  
| Long-term debt | 172,292 | 
 |   | 27,979 | 
 |   | 1,903 | 
 |   | — | 
 |   | 202,174 | 
 |  
| Deferred income taxes | — | 
 |   | 124,948 | 
 |   | 1,250 | 
 |   | (19,600 | ) |   | 106,598 | 
 |  
| Intercompany payables | — | 
 |   | 381,660 | 
 |   | 45,146 | 
 |   | (426,806 | ) |   | — | 
 |  
| Other liabilities | — | 
 |   | 1,435 | 
 |   | (1 | ) |   | — | 
 |   | 1,434 | 
 |  
| Total liabilities | 174,345 | 
 |   | 560,252 | 
 |   | 54,459 | 
 |   | (446,406 | ) |   | 342,650 | 
 |  
| Redeemable noncontrolling interest | — | 
 |   | 4 | 
 |   | 3,762 | 
 |   | — | 
 |   | 3,766 | 
 |  
| Equity: |   |   |   |   |   |   |   |   |   |  
| Era Group Inc. stockholders’ equity: |   |   |   |   |   |   |   |   |   |  
| Common stock, $0.01 par value, 60,000,000 shares authorized; 20,936,636 outstanding, exclusive of treasury shares | 215 | 
 |   | — | 
 |   | — | 
 |   | — | 
 |   | 215 | 
 |  
| Additional paid-in capital | 443,944 | 
 |   | 100,306 | 
 |   | 4,562 | 
 |   | (104,868 | ) |   | 443,944 | 
 |  
| Retained earnings | 4,363 | 
 |   | 92,034 | 
 |   | (35,552 | ) |   | (56,482 | ) |   | 4,363 | 
 |  
| Treasury shares, at cost, 214,441 shares | (2,951 | ) |   | — | 
 |   | — | 
 |   | — | 
 |   | (2,951 | ) |  
| Accumulated other comprehensive income, net of tax | — | 
 |   | 110 | 
 |   | — | 
 |   | — | 
 |   | 110 | 
 |  
| Total equity | 445,571 | 
 |   | 192,450 | 
 |   | (30,990 | ) |   | (161,350 | ) |   | 445,681 | 
 |  
| Total liabilities, redeemable noncontrolling interest and stockholders’ equity | $ | 619,916 | 
 |   | $ | 752,706 | 
 |   | $ | 27,231 | 
 |   | $ | (607,756 | ) |   | $ | 792,097 | 
 |  
Supplemental Condensed Consolidating Balance Sheet as of December 31, 2016 
 
|  |  
|  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  
|   | Parent |   | Guarantors |   | Non-guarantors |   | Eliminations |   | Consolidated |  
|   | (in thousands, except share data) |  
| ASSETS |   |   |   |   |   |   |   |   |   |  
| Current assets: |   |   |   |   |   |   |   |   |   |  
| Cash and cash equivalents | $ | 25,474 | 
 |   | $ | — | 
 |   | $ | 1,476 | 
 |   | $ | — | 
 |   | $ | 26,950 | 
 |  
| Receivables: |   |   |   |   |   |   |   |   |   |  
| Trade, net of allowance for doubtful accounts of $2,103 | 39 | 
 |   | 26,118 | 
 |   | 6,313 | 
 |   | — | 
 |   | 32,470 | 
 |  
| Tax receivables | 9 | 
 |   | 4 | 
 |   | 3,448 | 
 |   | — | 
 |   | 3,461 | 
 |  
| Other | — | 
 |   | 1,658 | 
 |   | 1,058 | 
 |   | — | 
 |   | 2,716 | 
 |  
| Inventories, net | — | 
 |   | 25,156 | 
 |   | 261 | 
 |   | — | 
 |   | 25,417 | 
 |  
| Prepaid expenses | 359 | 
 |   | 976 | 
 |   | 244 | 
 |   | — | 
 |   | 1,579 | 
 |  
| Escrow deposits | — | 
 |   | 3,777 | 
 |   | — | 
 |   | — | 
 |   | 3,777 | 
 |  
| Total current assets | 25,881 | 
 |   | 57,689 | 
 |   | 12,800 | 
 |   | — | 
 |   | 96,370 | 
 |  
| Property and equipment | — | 
 |   | 1,138,020 | 
 |   | 16,008 | 
 |   | — | 
 |   | 1,154,028 | 
 |  
| Accumulated depreciation | — | 
 |   | (330,735 | ) |   | (1,484 | ) |   | — | 
 |   | (332,219 | ) |  
| Net property and equipment | — | 
 |   | 807,285 | 
 |   | 14,524 | 
 |   | — | 
 |   | 821,809 | 
 |  
| Equity investments and advances | — | 
 |   | 29,266 | 
 |   | — | 
 |   | — | 
 |   | 29,266 | 
 |  
| Investments in consolidated subsidiaries | 174,830 | 
 |   | — | 
 |   | — | 
 |   | (174,830 | ) |   | — | 
 |  
| Intangible assets | — | 
 |   | — | 
 |   | 1,137 | 
 |   | — | 
 |   | 1,137 | 
 |  
| Deferred income taxes | 12,262 | 
 |   | — | 
 |   | — | 
 |   | (12,262 | ) |   | — | 
 |  
| Intercompany receivables | 460,623 | 
 |   | — | 
 |   | — | 
 |   | (460,623 | ) |   | — | 
 |  
| Other assets | 1,820 | 
 |   | 4,723 | 
 |   | 48 | 
 |   | — | 
 |   | 6,591 | 
 |  
| Total assets | $ | 675,416 | 
 |   | $ | 898,963 | 
 |   | $ | 28,509 | 
 |   | $ | (647,715 | ) |   | $ | 955,173 | 
 |  
| LIABILITIES, REDEEMABLE NONCONTROLLING INTEREST AND STOCKHOLDERS’ EQUITY |   |   |   |   |   |   |   |   |   |  
| Current liabilities: |   |   |   |   |   |   |   |   |   |  
| Accounts payable and accrued expenses | $ | 322 | 
 |   | $ | 6,273 | 
 |   | $ | 2,281 | 
 |   | $ | — | 
 |   | $ | 8,876 | 
 |  
| Accrued wages and benefits | — | 
 |   | 6,446 | 
 |   | 2,061 | 
 |   | — | 
 |   | 8,507 | 
 |  
| Accrued interest | 529 | 
 |   | — | 
 |   | — | 
 |   | — | 
 |   | 529 | 
 |  
| Accrued income taxes | — | 
 |   | 653 | 
 |   | 13 | 
 |   | — | 
 |   | 666 | 
 |  
| Current portion of long-term debt | — | 
 |   | 1,524 | 
 |   | 615 | 
 |   | — | 
 |   | 2,139 | 
 |  
| Accrued other taxes | 29 | 
 |   | 645 | 
 |   | 773 | 
 |   | — | 
 |   | 1,447 | 
 |  
| Accrued contingencies | — | 
 |   | — | 
 |   | 1,237 | 
 |   | — | 
 |   | 1,237 | 
 |  
| Other current liabilities | 481 | 
 |   | 1,525 | 
 |   | 216 | 
 |   | — | 
 |   | 2,222 | 
 |  
| Total current liabilities | 1,361 | 
 |   | 17,066 | 
 |   | 7,196 | 
 |   | — | 
 |   | 25,623 | 
 |  
| Long-term debt | 205,730 | 
 |   | 21,642 | 
 |   | 2,767 | 
 |   | — | 
 |   | 230,139 | 
 |  
| Deferred income taxes | — | 
 |   | 237,067 | 
 |   | 667 | 
 |   | (12,262 | ) |   | 225,472 | 
 |  
| Intercompany payables | — | 
 |   | 426,410 | 
 |   | 34,213 | 
 |   | (460,623 | ) |   | — | 
 |  
| Other liabilities | — | 
 |   | 1,301 | 
 |   | — | 
 |   | — | 
 |   | 1,301 | 
 |  
| Total liabilities | 207,091 | 
 |   | 703,486 | 
 |   | 44,843 | 
 |   | (472,885 | ) |   | 482,535 | 
 |  
| Redeemable noncontrolling interest | — | 
 |   | 4 | 
 |   | 4,217 | 
 |   | — | 
 |   | 4,221 | 
 |  
| Equity: |   |   |   |   |   |   |   |   |   |  
| Era Group Inc. stockholders’ equity: |   |   |   |   |   |   |   |   |   |  
| Common stock, $0.01 par value, 60,000,000 shares authorized; 20,936,636 outstanding, exclusive of treasury shares | 211 | 
 |   | — | 
 |   | — | 
 |   | — | 
 |   | 211 | 
 |  
| Additional paid-in capital | 438,489 | 
 |   | 100,306 | 
 |   | 4,562 | 
 |   | (104,868 | ) |   | 438,489 | 
 |  
| Retained earnings | 32,524 | 
 |   | 95,075 | 
 |   | (25,113 | ) |   | (69,962 | ) |   | 32,524 | 
 |  
| Treasury shares, at cost, 175,350 shares | (2,899 | ) |   | — | 
 |   | — | 
 |   | — | 
 |   | (2,899 | ) |  
| Accumulated other comprehensive income, net of tax | — | 
 |   | 92 | 
 |   | — | 
 |   | — | 
 |   | 92 | 
 |  
| Total equity | 468,325 | 
 |   | 195,473 | 
 |   | (20,551 | ) |   | (174,830 | ) |   | 468,417 | 
 |  
| Total liabilities, redeemable noncontrolling interest and stockholders’ equity | $ | 675,416 | 
 |   | $ | 898,963 | 
 |   | $ | 28,509 | 
 |   | $ | (647,715 | ) |   | $ | 955,173 | 
 | 
 | 
| Condensed Income Statement | 
Supplemental Condensed Consolidating Statements of Operations for the Year Ended December 31, 2017 
 
|  |  
|  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  
|   | Parent |   | Guarantors |   | Non-guarantors |   | Eliminations |   | Consolidated |  
|   | (in thousands) |  
| Operating revenues | $ | — | 
 |   | $ | 201,653 | 
 |   | $ | 60,466 | 
 |   | $ | (30,798 | ) |   | $ | 231,321 | 
 |  
| Costs and expenses: |   |   |   |   |   |   |   |   |   |  
| Operating | — | 
 |   | 133,077 | 
 |   | 65,167 | 
 |   | (30,798 | ) |   | 167,446 | 
 |  
| Administrative and general | 7,887 | 
 |   | 28,451 | 
 |   | 5,754 | 
 |   | — | 
 |   | 42,092 | 
 |  
| Depreciation | — | 
 |   | 44,756 | 
 |   | 980 | 
 |   | — | 
 |   | 45,736 | 
 |  
| Total costs and expenses | 7,887 | 
 |   | 206,284 | 
 |   | 71,901 | 
 |   | (30,798 | ) |   | 255,274 | 
 |  
| Gains on asset dispositions, net | — | 
 |   | 4,364 | 
 |   | 143 | 
 |   | — | 
 |   | 4,507 | 
 |  
| Loss on impairment | — | 
 |   | (116,586 | ) |   | (432 | ) |   | — | 
 |   | (117,018 | ) |  
| Operating income (loss) | (7,887 | ) |   | (116,853 | ) |   | (11,724 | ) |   | — | 
 |   | (136,464 | ) |  
| Other income (expense): |   |   |   |   |   |   |   |   |   |  
| Interest income | 108 | 
 |   | 419 | 
 |   | 233 | 
 |   | — | 
 |   | 760 | 
 |  
| Interest expense | (14,495 | ) |   | (800 | ) |   | (1,468 | ) |   | — | 
 |   | (16,763 | ) |  
| Foreign currency gains, net | 256 | 
 |   | 330 | 
 |   | (812 | ) |   | — | 
 |   | (226 | ) |  
| Other, net | — | 
 |   | 143 | 
 |   | (155 | ) |   | — | 
 |   | (12 | ) |  
| Total other income (expense) | (14,131 | ) |   | 92 | 
 |   | (2,202 | ) |   | — | 
 |   | (16,241 | ) |  
| Income (loss) before income taxes and equity earnings | (22,018 | ) |   | (116,761 | ) |   | (13,926 | ) |   | — | 
 |   | (152,705 | ) |  
| Income tax expense (benefit) | (7,338 | ) |   | (112,295 | ) |   | (3,032 | ) |   | — | 
 |   | (122,665 | ) |  
| Income (loss) before equity earnings | (14,680 | ) |   | (4,466 | ) |   | (10,894 | ) |   | — | 
 |   | (30,040 | ) |  
| Equity earnings, net of tax | 
 | 
 |   | 1,425 | 
 |   | — | 
 |   | 
 | 
 |   | 1,425 | 
 |  
| Equity in earnings (losses) of subsidiaries | (13,481 | ) |   | — | 
 |   | — | 
 |   | 13,481 | 
 |   | — | 
 |  
| Net income (loss) | (28,161 | ) |   | (3,041 | ) |   | (10,894 | ) |   | 13,481 | 
 |   | (28,615 | ) |  
| Net loss attributable to non-controlling interest in subsidiary | — | 
 |   | — | 
 |   | 454 | 
 |   | — | 
 |   | 454 | 
 |  
| Net income (loss) attributable to Era Group Inc. | $ | (28,161 | ) |   | $ | (3,041 | ) |   | $ | (10,440 | ) |   | $ | 13,481 | 
 |   | $ | (28,161 | ) | 
Supplemental Condensed Consolidating Statements of Operations for the Year Ended December 31, 2016 
 
|  |  
|  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  
|   | Parent |   | Guarantors |   | Non-guarantors |   | Eliminations |   | Consolidated |  
|   | (in thousands) |  
| Operating revenues | $ | — | 
 |   | $ | 225,773 | 
 |   | $ | 61,514 | 
 |   | $ | (40,059 | ) |   | $ | 247,228 | 
 |  
| Costs and expenses: |   |   |   |   |   |   |   |   |   |  
| Operating | — | 
 |   | 138,350 | 
 |   | 71,572 | 
 |   | (40,059 | ) |   | 169,863 | 
 |  
| Administrative and general | 3,744 | 
 |   | 27,834 | 
 |   | 4,628 | 
 |   | — | 
 |   | 36,206 | 
 |  
| Depreciation | — | 
 |   | 48,248 | 
 |   | 1,067 | 
 |   | — | 
 |   | 49,315 | 
 |  
| Total costs and expenses | 3,744 | 
 |   | 214,432 | 
 |   | 77,267 | 
 |   | (40,059 | ) |   | 255,384 | 
 |  
| Gains on asset dispositions, net | — | 
 |   | 5,035 | 
 |   | (248 | ) |   | — | 
 |   | 4,787 | 
 |  
| Operating income | (3,744 | ) |   | 16,376 | 
 |   | (16,001 | ) |   | — | 
 |   | (3,369 | ) |  
| Other income (expense): |   |   |   |   |   |   |   |   |   |  
| Interest income | 56 | 
 |   | 472 | 
 |   | 213 | 
 |   | — | 
 |   | 741 | 
 |  
| Interest expense | (16,033 | ) |   | (809 | ) |   | (483 | ) |   | — | 
 |   | (17,325 | ) |  
| Derivative losses, net | — | 
 |   | — | 
 |   | — | 
 |   | — | 
 |   | — | 
 |  
| Foreign currency gains (losses), net | (77 | ) |   | (879 | ) |   | 963 | 
 |   | — | 
 |   | 7 | 
 |  
| Gain on debt extinguishment | 518 | 
 |   | — | 
 |   | — | 
 |   | — | 
 |   | 518 | 
 |  
| Other, net | — | 
 |   | 11 | 
 |   | 58 | 
 |   | — | 
 |   | 69 | 
 |  
| Total other income (expense) | (15,536 | ) |   | (1,205 | ) |   | 751 | 
 |   | — | 
 |   | (15,990 | ) |  
| Income (loss) before income taxes and equity earnings | (19,280 | ) |   | 15,171 | 
 |   | (15,250 | ) |   | — | 
 |   | (19,359 | ) |  
| Income tax expense (benefit) | (8,807 | ) |   | 4,971 | 
 |   | 479 | 
 |   | — | 
 |   | (3,357 | ) |  
| Income (loss) before equity earnings | (10,473 | ) |   | 10,200 | 
 |   | (15,729 | ) |   | — | 
 |   | (16,002 | ) |  
| Equity earnings, net of tax | — | 
 |   | 1,092 | 
 |   | — | 
 |   | — | 
 |   | 1,092 | 
 |  
| Equity in earnings (losses) of subsidiaries | 2,495 | 
 |   | — | 
 |   | — | 
 |   | (2,495 | ) |   | — | 
 |  
| Net income (loss) | (7,978 | ) |   | 11,292 | 
 |   | (15,729 | ) |   | (2,495 | ) |   | (14,910 | ) |  
| Net income attributable to non-controlling interest in subsidiary | — | 
 |   | 6,349 | 
 |   | 583 | 
 |   | — | 
 |   | 6,932 | 
 |  
| Net income (loss) attributable to Era Group Inc. | $ | (7,978 | ) |   | $ | 17,641 | 
 |   | $ | (15,146 | ) |   | $ | (2,495 | ) |   | $ | (7,978 | ) | 
Supplemental Condensed Consolidating Statements of Operations for the Year Ended December 31, 2015 
 
|  |  
|  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  
|   | Parent |   | Guarantors |   | Non-guarantors |   | Eliminations |   | Consolidated |  
|   | (in thousands) |  
| Operating revenues | $ | — | 
 |   | $ | 262,898 | 
 |   | $ | 18,952 | 
 |   | $ | (13 | ) |   | $ | 281,837 | 
 |  
| Costs and expenses: |   |   |   |   |   |   |   |   |   |  
| Operating | — | 
 |   | 149,702 | 
 |   | 21,792 | 
 |   | (13 | ) |   | 171,481 | 
 |  
| Administrative and general | 6,484 | 
 |   | 33,326 | 
 |   | 3,002 | 
 |   | — | 
 |   | 42,812 | 
 |  
| Depreciation | — | 
 |   | 46,722 | 
 |   | 615 | 
 |   | — | 
 |   | 47,337 | 
 |  
| Total costs and expenses | 6,484 | 
 |   | 229,750 | 
 |   | 25,409 | 
 |   | (13 | ) |   | 261,630 | 
 |  
| Gains on asset dispositions, net | — | 
 |   | 8,582 | 
 |   | (2,629 | ) |   | — | 
 |   | 5,953 | 
 |  
| Goodwill impairment | — | 
 |   | (352 | ) |   | (1,514 | ) |   | — | 
 |   | (1,866 | ) |  
| Operating income (loss) | (6,484 | ) |   | 41,378 | 
 |   | (10,600 | ) |   | — | 
 |   | 24,294 | 
 |  
| Other income (expense): |   |   |   |   |   |   |   |   |   |  
| Interest income | 16 | 
 |   | 900 | 
 |   | 275 | 
 |   | — | 
 |   | 1,191 | 
 |  
| Interest expense | (12,479 | ) |   | (773 | ) |   | (274 | ) |   | — | 
 |   | (13,526 | ) |  
| Intercompany interest income (expense) | — | 
 |   | — | 
 |   | — | 
 |   | — | 
 |   | — | 
 |  
| Foreign currency gains (losses), net | 569 | 
 |   | (3,119 | ) |   | (40 | ) |   | — | 
 |   | (2,590 | ) |  
| Gain on debt extinguishment | 1,617 | 
 |   | — | 
 |   | — | 
 |   | — | 
 |   | 1,617 | 
 |  
| Gain on sale of FBO | 12,946 | 
 |   | — | 
 |   | — | 
 |   | — | 
 |   | 12,946 | 
 |  
| Other, net | (3 | ) |   | 63 | 
 |   | (15 | ) |   | — | 
 |   | 45 | 
 |  
| Total other income (expense) | 2,666 | 
 |   | (2,947 | ) |   | (54 | ) |   | — | 
 |   | (335 | ) |  
| Income (loss) before income taxes and equity earnings | (3,818 | ) |   | 38,431 | 
 |   | (10,654 | ) |   | — | 
 |   | 23,959 | 
 |  
| Income tax expense (benefit) | (3,368 | ) |   | 17,625 | 
 |   | (140 | ) |   | — | 
 |   | 14,117 | 
 |  
| Income (loss) before equity earnings | (450 | ) |   | 20,806 | 
 |   | (10,514 | ) |   | — | 
 |   | 9,842 | 
 |  
| Equity losses, net of tax | — | 
 |   | (1,943 | ) |   | — | 
 |   | — | 
 |   | (1,943 | ) |  
| Equity in earnings (losses) of subsidiaries | 9,155 | 
 |   | — | 
 |   | — | 
 |   | (9,155 | ) |   | — | 
 |  
| Net income (loss) | 8,705 | 
 |   | 18,863 | 
 |   | (10,514 | ) |   | (9,155 | ) |   | 7,899 | 
 |  
| Net loss attributable to non-controlling interest in subsidiary | — | 
 |   | 376 | 
 |   | 430 | 
 |   | — | 
 |   | 806 | 
 |  
| Net income (loss) attributable to Era Group Inc. | $ | 8,705 | 
 |   | $ | 19,239 | 
 |   | $ | (10,084 | ) |   | $ | (9,155 | ) |   | $ | 8,705 | 
 |  | 
| Condensed Statement of Comprehensive Income | 
Supplemental Condensed Consolidating Statements of Comprehensive Income for the Year Ended December 31, 2017 
 
|  |  
|  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  
|   | Parent |   | Guarantors |   | Non-guarantors |   | Eliminations |   | Consolidated |  
|   | (in thousands) |  
| Net income (loss) | $ | (28,161 | ) |   | $ | (3,041 | ) |   | $ | (10,894 | ) |   | $ | 13,481 | 
 |   | $ | (28,615 | ) |  
| Other comprehensive income (loss): |   |   |   |   |   |   |   |   |   |  
| Foreign currency translation adjustments | — | 
 |   | 18 | 
 |   | — | 
 |   | — | 
 |   | 18 | 
 |  
| Income tax benefit | — | 
 |   | — | 
 |   | — | 
 |   | — | 
 |   | — | 
 |  
| Total other comprehensive income (loss) | — | 
 |   | 18 | 
 |   | — | 
 |   | — | 
 |   | 18 | 
 |  
| Comprehensive income (loss) | (28,161 | ) |   | (3,023 | ) |   | (10,894 | ) |   | 13,481 | 
 |   | (28,597 | ) |  
| Comprehensive loss attributable to non-controlling interest in subsidiary | — | 
 |   | — | 
 |   | 454 | 
 |   | — | 
 |   | 454 | 
 |  
| Comprehensive income (loss) attributable to Era Group Inc. | $ | (28,161 | ) |   | $ | (3,023 | ) |   | $ | (10,440 | ) |   | $ | 13,481 | 
 |   | $ | (28,143 | ) | 
 
Supplemental Condensed Consolidating Statements of Comprehensive Income for the Year Ended December 31, 2016 
 
|  |  
|  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  
|   | Parent |   | Guarantors |   | Non-guarantors |   | Eliminations |   | Consolidated |  
|   | (in thousands) |  
| Net income (loss) | $ | (7,978 | ) |   | $ | 11,292 | 
 |   | $ | (15,729 | ) |   | $ | (2,495 | ) |   | $ | (14,910 | ) |  
| Other comprehensive loss: |   |   |   |   |   |   |   |   |   |  
| Foreign currency translation adjustments | — | 
 |   | — | 
 |   | — | 
 |   | — | 
 |   | — | 
 |  
| Income tax benefit | — | 
 |   | — | 
 |   | — | 
 |   | — | 
 |   | — | 
 |  
| Total other comprehensive loss | — | 
 |   | — | 
 |   | — | 
 |   | — | 
 |   | — | 
 |  
| Comprehensive income (loss) | (7,978 | ) |   | 11,292 | 
 |   | (15,729 | ) |   | (2,495 | ) |   | (14,910 | ) |  
| Comprehensive loss attributable to non-controlling interest in subsidiary | — | 
 |   | 6,349 | 
 |   | 583 | 
 |   | — | 
 |   | 6,932 | 
 |  
| Comprehensive income (loss) attributable to Era Group Inc. | $ | (7,978 | ) |   | $ | 17,641 | 
 |   | $ | (15,146 | ) |   | $ | (2,495 | ) |   | $ | (7,978 | ) | 
 
Supplemental Condensed Consolidating Statements of Comprehensive Income for the Year Ended December 31, 2015 
 
|  |  
|  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  
|   | Parent |   | Guarantors |   | Non-guarantors |   | Eliminations |   | Consolidated |  
|   | (in thousands) |  
| Net income (loss) | $ | 8,705 | 
 |   | $ | 18,863 | 
 |   | $ | (10,514 | ) |   | $ | (9,155 | ) |   | $ | 7,899 | 
 |  
| Other comprehensive loss: |   |   |   |   |   |   |   |   |   |  
| Foreign currency translation adjustments | — | 
 |   | (4 | ) |   | — | 
 |   | — | 
 |   | (4 | ) |  
| Income tax benefit | — | 
 |   | 1 | 
 |   | — | 
 |   | — | 
 |   | 1 | 
 |  
| Total other comprehensive loss | — | 
 |   | (3 | ) |   | — | 
 |   | — | 
 |   | (3 | ) |  
| Comprehensive income (loss) | 8,705 | 
 |   | 18,860 | 
 |   | (10,514 | ) |   | (9,155 | ) |   | 7,896 | 
 |  
| Comprehensive loss attributable to non-controlling interest in subsidiary | — | 
 |   | 376 | 
 |   | 430 | 
 |   | — | 
 |   | 806 | 
 |  
| Comprehensive income (loss) attributable to Era Group Inc. | $ | 8,705 | 
 |   | $ | 19,236 | 
 |   | $ | (10,084 | ) |   | $ | (9,155 | ) |   | $ | 8,702 | 
 |  | 
| Condensed Cash Flow Statement | 
Supplemental Condensed Consolidating Statements of Cash Flows for the Year Ended December 31, 2017 
 
|  |  
|  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  
|   | Parent |   | Guarantors |   | Non-guarantors |   | Eliminations |   | Consolidated |  
|   | (in thousands) |  
| Net cash provided by (used in) operating activities | $ | (14,706 | ) |   | $ | 32,601 | 
 |   | $ | 2,201 | 
 |   | $ | — | 
 |   | $ | 20,096 | 
 |  
| Cash flows from investing activities: |   |   |   |   |   |   |   |   |   |  
| Purchases of property and equipment | — | 
 |   | (16,600 | ) |   | (170 | ) |   | — | 
 |   | (16,770 | ) |  
| Proceeds from disposition of property and equipment | — | 
 |   | 9,392 | 
 |   | — | 
 |   | — | 
 |   | 9,392 | 
 |  
| Principal payments on notes due from equity investees | — | 
 |   | 761 | 
 |   | — | 
 |   | — | 
 |   | 761 | 
 |  
| Investments in and advances to equity investees | — | 
 |   | (126 | ) |   | — | 
 |   | — | 
 |   | (126 | ) |  
| Principal payments on third party notes receivable | — | 
 |   | 169 | 
 |   | — | 
 |   | — | 
 |   | 169 | 
 |  
| Escrow deposits on like-kind exchanges, net | — | 
 |   | 527 | 
 |   | — | 
 |   | — | 
 |   | 527 | 
 |  
| Net cash used in investing activities | — | 
 |   | (5,877 | ) |   | (170 | ) |   | — | 
 |   | (6,047 | ) |  
| Cash flows from financing activities: |   |   |   |   |   |   |   |   |   |  
| Proceeds from Revolving Credit Facility | — | 
 |   | 8,000 | 
 |   | — | 
 |   | 9,000 | 
 |   | 17,000 | 
 |  
| Payments on long-term debt | — | 
 |   | (1,526 | ) |   | (755 | ) |   | (43,000 | ) |   | (45,281 | ) |  
| Proceeds from share award plans | — | 
 |   | — | 
 |   | — | 
 |   | 836 | 
 |   | 836 | 
 |  
| Purchase of treasury shares | — | 
 |   | — | 
 |   | — | 
 |   | (52 | ) |   | (52 | ) |  
| Borrowings and repayments of intercompany debt | — | 
 |   | (33,216 | ) |   | — | 
 |   | 33,216 | 
 |   | — | 
 |  
| Net cash used in financing activities | — | 
 |   | (26,742 | ) |   | (755 | ) |   | — | 
 |   | (27,497 | ) |  
| Effects of exchange rate changes on cash and cash equivalents | 32 | 
 |   | 18 | 
 |   | 31 | 
 |   | — | 
 |   | 81 | 
 |  
| Net increase (decrease) in cash and cash equivalents | (14,674 | ) |   | — | 
 |   | 1,307 | 
 |   | — | 
 |   | (13,367 | ) |  
| Cash and cash equivalents, beginning of period | 25,474 | 
 |   | — | 
 |   | 1,476 | 
 |   | — | 
 |   | 26,950 | 
 |  
| Cash and cash equivalents, end of period | $ | 10,800 | 
 |   | $ | — | 
 |   | $ | 2,783 | 
 |   | $ | — | 
 |   | $ | 13,583 | 
 | 
 
Supplemental Condensed Consolidating Statements of Cash Flows for the Year Ended December 31, 2016 
 
|  |  
|  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  
|   | Parent |   | Guarantors |   | Non-guarantors |   | Eliminations |   | Consolidated |  
|   | (in thousands) |  
| Net cash provided by (used in) operating activities | $ | 17,909 | 
 |   | $ | 41,239 | 
 |   | $ | (644 | ) |   | $ | — | 
 |   | $ | 58,504 | 
 |  
| Cash flows from investing activities: |   |   |   |   |   |   |   |   |   |  
| Purchases of property and equipment | — | 
 |   | (39,020 | ) |   | (180 | ) |   | 
 | 
 |   | (39,200 | ) |  
| Proceeds from disposition of property and equipment | — | 
 |   | 28,381 | 
 |   | 228 | 
 |   | 
 | 
 |   | 28,609 | 
 |  
| Return of helicopter deposits | — | 
 |   | 544 | 
 |   | — | 
 |   | — | 
 |   | 544 | 
 |  
| Principal payments on notes due from equity investees | — | 
 |   | 723 | 
 |   | — | 
 |   | — | 
 |   | 723 | 
 |  
| Principal payments on third party notes receivable | — | 
 |   | 208 | 
 |   | — | 
 |   | — | 
 |   | 208 | 
 |  
| Escrow deposits, net | — | 
 |   | (3,848 | ) |   | — | 
 |   | 190 | 
 |   | (3,658 | ) |  
| Repayment of intercompany debt | — | 
 |   | 190 | 
 |   | — | 
 |   | (190 | ) |   | — | 
 |  
| Net cash used in investing activities | — | 
 |   | (12,822 | ) |   | 48 | 
 |   | — | 
 |   | (12,774 | ) |  
| Cash flows from financing activities: |   |   |   |   |   |   |   |   |   |  
| Proceeds from Revolving Credit Facility | — | 
 |   | — | 
 |   | — | 
 |   | 12,000 | 
 |   | 12,000 | 
 |  
| Long-term debt issuance costs | — | 
 |   | — | 
 |   | — | 
 |   | (886 | ) |   | (886 | ) |  
| Payments on long-term debt | — | 
 |   | (1,803 | ) |   | (1,641 | ) |   | (37,000 | ) |   | (40,444 | ) |  
| Extinguishment of long-term debt | — | 
 |   | — | 
 |   | — | 
 |   | (4,331 | ) |   | (4,331 | ) |  
| Proceeds from share award plans | — | 
 |   | — | 
 |   | — | 
 |   | 836 | 
 |   | 836 | 
 |  
| Purchase of treasury shares | — | 
 |   | — | 
 |   | — | 
 |   | (161 | ) |   | (161 | ) |  
| Repayment of intercompany debt | — | 
 |   | (29,542 | ) |   | — | 
 |   | 29,542 | 
 |   | — | 
 |  
| Net cash provided by financing activities | — | 
 |   | (31,345 | ) |   | (1,641 | ) |   | — | 
 |   | (32,986 | ) |  
| Effects of exchange rate changes on cash and cash equivalents | — | 
 |   | (406 | ) |   | 242 | 
 |   | — | 
 |   | (164 | ) |  
| Net increase (decrease) in cash and cash equivalents | 17,909 | 
 |   | (3,334 | ) |   | (1,995 | ) |   | — | 
 |   | 12,580 | 
 |  
| Cash and cash equivalents, beginning of period | 7,565 | 
 |   | 3,334 | 
 |   | 3,471 | 
 |   | — | 
 |   | 14,370 | 
 |  
| Cash and cash equivalents, end of period | $ | 25,474 | 
 |   | $ | — | 
 |   | $ | 1,476 | 
 |   | $ | — | 
 |   | $ | 26,950 | 
 | 
 
Supplemental Condensed Consolidating Statements of Cash Flows for the Year Ended December 31, 2015 
 
|  |  
|  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  
|   | Parent |   | Guarantors |   | Non-guarantors |   | Eliminations |   | Consolidated |  
|   | (in thousands) |  
| Net cash provided by operating activities | $ | (8,916 | ) |   | $ | 38,111 | 
 |   | $ | 15,261 | 
 |   | $ | — | 
 |   | $ | 44,456 | 
 |  
| Cash flows from investing activities: |   |   |   |   |   |   |   |   |   |  
| Purchases of property and equipment | — | 
 |   | (60,046 | ) |   | (11,774 | ) |   | 11,770 | 
 |   | (60,050 | ) |  
| Proceeds from disposition of property and equipment | — | 
 |   | 37,098 | 
 |   | — | 
 |   | (11,770 | ) |   | 25,328 | 
 |  
| Cash settlements on forward contracts, net | — | 
 |   | (1,103 | ) |   | — | 
 |   | — | 
 |   | (1,103 | ) |  
| Business acquisitions, net of cash acquired | — | 
 |   | — | 
 |   | (1,747 | ) |   | — | 
 |   | (1,747 | ) |  
| Investments in and advances to equity investees | — | 
 |   | (36 | ) |   | — | 
 |   | — | 
 |   | (36 | ) |  
| Proceeds from sale of FBO | — | 
 |   | — | 
 |   | — | 
 |   | 14,252 | 
 |   | 14,252 | 
 |  
| Principal payments on notes due from equity investees | — | 
 |   | 688 | 
 |   | — | 
 |   | — | 
 |   | 688 | 
 |  
| Principal payments on third party notes receivable | — | 
 |   | 52 | 
 |   | — | 
 |   | — | 
 |   | 52 | 
 |  
| Escrow deposits, net | — | 
 |   | (1 | ) |   | — | 
 |   | (190 | ) |   | (191 | ) |  
| Repayment of intercompany debt | — | 
 |   | 14,062 | 
 |   | — | 
 |   | (14,062 | ) |   | — | 
 |  
| Net cash used in investing activities | — | 
 |   | (9,286 | ) |   | (13,521 | ) |   | — | 
 |   | (22,807 | ) |  
| Cash flows from financing activities: |   |   |   |   |   |   |   |   |   |  
| Proceeds from Revolving Credit Facility | — | 
 |   | — | 
 |   | — | 
 |   | 60,000 | 
 |   | 60,000 | 
 |  
| Long-term debt issuance costs | — | 
 |   | (71 | ) |   | — | 
 |   | — | 
 |   | (71 | ) |  
| Payments on long-term debt | — | 
 |   | (2,458 | ) |   | (467 | ) |   | (55,000 | ) |   | (57,925 | ) |  
| Extinguishment of long-term debt | — | 
 |   | — | 
 |   | — | 
 |   | (46,920 | ) |   | (46,920 | ) |  
| Proceeds from share awards plans | — | 
 |   | — | 
 |   | — | 
 |   | 1,096 | 
 |   | 1,096 | 
 |  
| Tax expense on vested restricted stock | — | 
 |   | — | 
 |   | — | 
 |   | (127 | ) |   | (127 | ) |  
| Purchase of treasury shares | — | 
 |   | — | 
 |   | — | 
 |   | (2,079 | ) |   | (2,079 | ) |  
| Repayment of intercompany debt | — | 
 |   | (43,030 | ) |   | — | 
 |   | 43,030 | 
 |   | — | 
 |  
| Net cash used in financing activities | — | 
 |   | (45,559 | ) |   | (467 | ) |   | — | 
 |   | (46,026 | ) |  
| Effects of exchange rate changes on cash and cash equivalents | — | 
 |   | (2,120 | ) |   | — | 
 |   | — | 
 |   | (2,120 | ) |  
| Net increase (decrease) in cash and cash equivalents | (8,916 | ) |   | (18,854 | ) |   | 1,273 | 
 |   | — | 
 |   | (26,497 | ) |  
| Cash and cash equivalents, beginning of period | 16,481 | 
 |   | 22,188 | 
 |   | 2,198 | 
 |   | — | 
 |   | 40,867 | 
 |  
| Cash and cash equivalents, end of period | $ | 7,565 | 
 |   | $ | 3,334 | 
 |   | $ | 3,471 | 
 |   | $ | — | 
 |   | $ | 14,370 | 
 |  |