Annual report pursuant to Section 13 and 15(d)

BUSINESS COMBINATIONS - Schedule of Pro Forma Consolidated Financial Information (Details)

v3.21.1
BUSINESS COMBINATIONS - Schedule of Pro Forma Consolidated Financial Information (Details) - USD ($)
$ in Thousands
1 Months Ended 5 Months Ended 12 Months Ended
Jun. 30, 2020
Mar. 31, 2020
Mar. 31, 2021
Era      
Business Acquisition [Line Items]      
Total revenues   $ 582,803 $ 1,213,552
Net income (loss)   153,106 (100,436)
Net income (loss) attributable to Bristow Group Inc.   153,415 (100,222)
Lider      
Business Acquisition [Line Items]      
Impairment of investment in unconsolidated affiliates $ 18,700 $ 9,600 $ 18,700