ESCROW DEPOSITS Escrow Deposits (Details) |
12 Months Ended | ||
|---|---|---|---|
|
Dec. 31, 2018
USD ($)
|
Dec. 31, 2017
USD ($)
helicopter
|
Dec. 31, 2016
USD ($)
|
|
| Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] | |||
| Deposits in like-kind exchange escrow accounts | $ 0 | $ 3,300,000 | |
| Proceeds from disposition of property and equipment | 29,590,000 | 9,392,000 | $ 28,609,000 |
| Purchases of property and equipment | 9,216,000 | $ 16,770,000 | $ 39,200,000 |
| Escrow deposits returned to company | 500,000 | ||
| AW169 Light Twin Helicopters | |||
| Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] | |||
| Number of disposals | helicopter | 1 | ||
| Proceeds from disposition of property and equipment | $ 3,200,000 | ||
| S92 Heavy Helicopters | |||
| Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] | |||
| Purchases of property and equipment | $ 2,800,000 | ||
| X | ||||||||||
- Definition Delayed Tax Exempt Exchange, Number of Disposals No definition available.
|
| X | ||||||||||
- Definition Escrow Deposit, Deposit To Like-Kind Exchange Escrow Accounts No definition available.
|
| X | ||||||||||
- Definition Escrow Deposit, Returned To The Company No definition available.
|
| X | ||||||||||
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. No definition available.
|
| X | ||||||||||
- Definition The cash outflow associated with the acquisition of long-lived, physical assets that are used in the normal conduct of business to produce goods and services and not intended for resale; includes cash outflows to pay for construction of self-constructed assets. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
|
| X | ||||||||||
- Definition The cash inflow from the sale of long-lived, physical assets that are used in the normal conduct of business to produce goods and services and not intended for resale. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
|
| X | ||||||||||
- Details
|
| X | ||||||||||
- Details
|