Additional debt amount added to the principal to be paid.

No definition available.

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- Definition

The number of agreements relating to the failure to return the original engine to the aircraft within 180 days from removal specified in the debt covenant.

+ References

No definition available.

+ Details

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- Definition

The number of original engines that failed to be returned to the aircraft within the 180 days after removal specified in the debt covenant.

+ References

No definition available.

+ Details

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- Definition

The number of aircrafts subject to the requirements of the debt covenant relating to the return of the original engine within 180 days after removal.

+ References

No definition available.

+ Details

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- Definition

The number of days the company has to return the original engine to the aircraft after it has been removed for maintenance specified in the debt covenant .

+ References

No definition available.

+ Details

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- Definition

The number of days the company has to return the original engine after it is received specified within the waiver.

+ References

No definition available.

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- Definition

This is the per principle amount of debt used to calculated the conversion price and conversion ratios for convertible debt.

+ References

No definition available.

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- Definition

The percentage of the debt principal amount that must be repurchased at if there is a change in control per terms of agreement.

+ References

No definition available.

+ Details

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- Definition

Debt Instrument, Fix Rate Basis, Number Of 30-Day Months Of A Notional Interest Rate Swap

+ References

No definition available.

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- Definition

Debt Instrument, Number of Loans

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No definition available.

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Debt Instrument, Payment Start Date, Number Of Months Following Borrowing Date

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No definition available.

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Debt Instrument, Periodic Payment Terms, Balloon Payments To Be Paid, Percentage of Face Amount

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No definition available.

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- Definition

Period of time between current period end and maturity of debt instrument, in PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

No definition available.

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- Definition

The percentage of the minimum amount of debt holders of the outstanding balance that can declare payment if the Company defaults.

+ References

No definition available.

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The gross amount (principal and interest) the company is seeking in an unsolicited tender offer to repurchase debt.

+ References

No definition available.

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The amount per month to be paid for debt.

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No definition available.

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The percentage of equity interest pledged as collateral of the Company's first-tier foreign subsidiaries.

+ References

No definition available.

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Extension Of Original Maturity Date

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The amount of availability block within the credit facility necessary to allow for borrowings against it.

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No definition available.

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The number of subsidiary or borrowers that entered into the line of credit facility agreement.

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No definition available.

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The amount of another note that is still outstanding at a specific date that will cause the lender to call for early redemption prior to maturity date.

+ References

No definition available.

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The number of aircraft involved in the notice of default of aircraft leases.

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No definition available.

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Number Of Aircraft Financed

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Number of aircraft pledged as collateral.

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The number of borrowings

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No definition available.

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Number of aircraft leased under operating leases with original or remaining terms in excess of one year.

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No definition available.

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Number Of Tranches

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No definition available.

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Proceeds From Rights Offering

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The percentage of shares related to the rights offering noteholders are able to purchase.

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No definition available.

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The percentage difference of the strike price on the warrants compared to a specific date.

+ References

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+ Details

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Number of specified business days to determine variables in regards to loan interest rates.

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Exercise price per share or per unit of warrants or rights outstanding.

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Amount of outstanding long-term debt or borrowing associated with any securities or credit agreement for which there has been a default in principal, interest, sinking fund, or redemption provisions, or any breach of covenant that existed at the end of the period and subsequently has not been cured.

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Percentage points added to the reference rate to compute the variable rate on the debt instrument.

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No definition available.

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The price per share of the conversion feature embedded in the debt instrument.

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Ratio applied to the conversion of debt instrument into equity with equity shares divided by debt principal amount.

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Face (par) amount of debt instrument at time of issuance.

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Effective interest rate for the funds borrowed under the debt agreement considering interest compounding and original issue discount or premium.

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Contractual interest rate for funds borrowed, under the debt agreement.

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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.

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No definition available.

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Amount of payment greater than the preceding installment payments to be paid at final maturity date of debt.

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No definition available.

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Percentage price of original principal amount of debt at which debt can be redeemed by the issuer.

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Percentage of principal amount of debt redeemed.

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No definition available.

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Period of time between issuance and maturity of debt instrument, in PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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No definition available.

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Amount, after accumulated amortization, of debt discount.

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Represents the aggregate of total long-term debt, including current maturities and short-term debt.

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No definition available.

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Amount of letters of credit outstanding under debtor-in-possession financing arrangement.

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No definition available.

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The premium (cost) of a hedge, net of any cash received on settlement during the period.

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No definition available.

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Amount of interest capitalized, including amount of allowance for funds used during construction.

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Amount of cash paid for interest, including, but not limited to, capitalized interest and payment to settle zero-coupon bond attributable to accreted interest of debt discount and debt instrument with insignificant coupon interest rate in relation to effective interest rate of borrowing attributable to accreted interest of debt discount; classified as operating and investing activities.

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Term of lessor's operating lease, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

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The total amount of the contingent obligation under letters of credit outstanding as of the reporting date.

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No definition available.

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Amount of current borrowing capacity under the credit facility considering any current restrictions on the amount that could be borrowed (for example, borrowings may be limited by the amount of current assets), but without considering any amounts currently outstanding under the facility.

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Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

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Amount of borrowing capacity currently available under the credit facility (current borrowing capacity less the amount of borrowings outstanding).

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Reflects the aggregate value of loans, trade receivables, securities and financial instruments that serve as collateral for obligations arising from a transfer of financial assets recorded as a secured borrowing.

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The cash outflow for a financial contract that meets the hedge criteria as either cash flow hedge, fair value hedge or hedge of net investment in foreign operations.

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DEBT Narrative (Details) $ / shares in Units, £ in Millions							1 Months Ended	3 Months Ended		6 Months Ended	9 Months Ended	12 Months Ended
DEBT Narrative (Details) $ / shares in Units, £ in Millions	Oct. 03, 2019 USD ($)	Jul. 25, 2019 USD ($)	Jul. 24, 2019 USD ($)	May 10, 2019 USD ($)	Feb. 01, 2017 USD ($)	Oct. 12, 2012 USD ($)	Sep. 30, 2017 USD ($)	Dec. 31, 2018 USD ($) aircraft	Sep. 30, 2018 USD ($)	Sep. 30, 2019 USD ($)	Dec. 31, 2018 aircraft	Mar. 31, 2019 USD ($) aircraft Days tranche Months subsidiary Loan $ / shares	Mar. 31, 2018 USD ($) $ / shares	Mar. 31, 2017 USD ($) aircraft	Mar. 31, 2017 GBP (£) aircraft	Jun. 27, 2020 USD ($)	Aug. 12, 2019 USD ($)	May 22, 2019 aircraft	Dec. 13, 2017
Debt Instrument [Line Items]
Debt Instrument, Debt Default, Amount												$ 1,400,000,000
Proceeds from borrowings												470,000	$ 896,874,000	$ 708,267,000
Debt balance, gross												1,448,624,000	1,513,999,000
Payments of Debt Issuance Costs												2,599,000	20,560,000	8,010,000
Derivative, Cost of Hedge Net of Cash Received													(10,100,000)
Purchase of 4½% Convertible Senior Notes call option												0	40,393,000	0
Proceeds from issuance of warrants												$ 0	$ 30,259,000	0
Class of Warrant or Right, Exercise Price of Warrants or Rights \| $ / shares													$ 20.02
Strike Price, Percentage Difference from Specific Date																			60.00%
Lessor, Operating Lease, Term of Contract												180 months
Unamortized discount												$ 33,400,000
Unamortized debt issuance costs												21,771,000	$ 27,465,000
Interest paid												100,600,000	78,100,000	51,400,000
Capitalized interest cost												2,400,000	3,400,000	10,200,000
Cash collateral for letters of credit												700,000	19,800,000
Senior Notes \| 8.75% Senior Secured Notes
Debt Instrument [Line Items]
Debt Instrument, Face Amount												$ 350,000,000
Debt Instrument, Interest Rate, Stated Percentage												8.75%
Proceeds from borrowings													346,600,000
Debt balance, gross												$ 347,400,000	346,610,000
Number Of Aircraft Pledged As Collateral \| aircraft												77
Mandatory Redemption, Terms, Amount												$ 125,000,000
Debt Instrument Terms, Event Of Default, Percentage Of Holders To Declare Payment												25.00%
Debt Instrument, Debt Repurchase Terms, Percentage Of Principal Amount If Change Of Control												101.00%
Unamortized discount												$ 2,600,000	3,400,000
Equity Interest Pledged As Collateral, Percentage											65.00%
Senior Notes \| 8.75% Senior Secured Notes \| Debt Instrument, Redemption, Period One
Debt Instrument [Line Items]
Debt Instrument, Redemption Price, Percentage												100.00%
Senior Notes \| 8.75% Senior Secured Notes \| Debt Instrument, Redemption, Period Two
Debt Instrument [Line Items]
Debt Instrument, Redemption Price, Percentage												108.75%
Debt Instrument, Redemption Price, Percentage of Principal Amount Redeemed												35.00%
Senior Notes \| 6¼% Senior Notes
Debt Instrument [Line Items]
Debt Instrument, Face Amount												$ 450,000,000
Debt balance, gross												401,535,000	401,535,000
Payments of Debt Issuance Costs						$ 7,400,000
Convertible debt \| 4½% Convertible Senior Notes
Debt Instrument [Line Items]
Debt Instrument, Face Amount												$ 143,750,000	143,750,000
Debt Instrument, Interest Rate, Stated Percentage												4.50%
Debt balance, gross												$ 112,944,000	107,397,000
Debt Instrument, Interest Rate, Effective Percentage												11.00%
Debt Instrument, Convertible, Conversion Price \| $ / shares												$ 15.64
Debt Instrument, Convertible, Conversion Ratio												63.9488
Debt Instrument, Convertible, Conversion Per Principal Amount												$ 1,000
Unamortized discount												$ 30,806,000	36,353,000
Term Loan
Debt Instrument [Line Items]
Repayments of Debt													89,600,000
Term Loan \| Term Loan
Debt Instrument [Line Items]
Debt Instrument, Face Amount													350,000,000
Repayments of Debt					$ 45,900,000		$ 93,700,000
Term Loan Credit Facility \| Term Loan Credit Facility
Debt Instrument [Line Items]
Repayments of Debt					$ 154,100,000		17,000,000
Revolving Credit Facility \| ABL Facility
Debt Instrument [Line Items]
Line Of Credit Facility, Number Of Borrowers \| subsidiary												2
Line of Credit Facility, Current Borrowing Capacity												$ 75,000,000
Line Of Credit Facility, Availability Block Capacity												15,000,000
Line of Credit Facility, Maximum Borrowing Capacity												100,000,000
Letters of Credit Outstanding, Amount												14,400,000
Line of Credit Facility, Remaining Borrowing Capacity												6,600,000
Revolving Credit Facility \| Revolving Credit Facility
Debt Instrument [Line Items]
Debt Instrument, Face Amount													400,000,000
Repayments of Debt							$ 103,000,000
Secured Debt \| Debt Covenant Issue Debt [Member]
Debt Instrument [Line Items]
Debt balance, gross												$ 383,100,000
Debt Covenant, Number Of Days Engine Has To Be Returned After Removal												180 days
Debt Covenant, Number Of Aircraft Subject To \| aircraft								385			385
Debt Covenant Failure, Number Of Engine Not Returned To Aircraft Within 180 Days \| aircraft								9			9
Debt Covenant Failure, Number Of Agreements \| aircraft								3			3
Debt Covenant, Waivers, Number Of Days to Return Original Engine Upon Receipt												30 days
Secured Debt \| Lombard Debt
Debt Instrument [Line Items]
Debt Instrument, Face Amount												$ 200,000,000
Debt balance, gross												$ 183,450,000	$ 211,087,000
Debt Instrument, Basis Spread on Variable Rate												2.25%
Debt Instrument, Interest Rate, Effective Percentage												3.10%	2.96%
Debt Instrument, Term												7 years
Number Of Debt Borrowings \| Loan												2
Secured Debt \| Lombard Debt \| Tranche One [Member]
Debt Instrument [Line Items]
Proceeds from borrowings														109,900,000	£ 89.1
Repayments of Debt														$ 4,500,000	£ 3.7
Number Of Aircraft Financed \| aircraft														3	3
Secured Debt \| Lombard Debt \| Tranche Two [Member]
Debt Instrument [Line Items]
Proceeds from borrowings														$ 90,100,000	£ 72.4
Number Of Aircraft Financed \| aircraft														5	5
Secured Debt \| Macquarie Debt
Debt Instrument [Line Items]
Debt Instrument, Face Amount												$ 200,000,000
Debt balance, gross												$ 171,028,000	$ 185,028,000
Debt Instrument, Basis Spread on Variable Rate												5.35%
Debt Instrument, Interest Rate, Effective Percentage												7.87%	7.00%
Debt Instrument, Term												5 years
Number Of Aircraft Pledged As Collateral \| aircraft												20
Number Of Leased Aircraft \| aircraft												5
Secured Debt \| Macquarie Debt \| Minimum
Debt Instrument [Line Items]
Lessor, Operating Lease, Term of Contract												60 months
Secured Debt \| Macquarie Debt \| Maximum
Debt Instrument [Line Items]
Lessor, Operating Lease, Term of Contract												63 months
Secured Debt \| PK Air Debt
Debt Instrument [Line Items]
Debt Instrument, Face Amount												$ 230,000,000
Debt balance, gross												$ 212,041,000	$ 230,000,000
Debt Instrument, Interest Rate, Effective Percentage												7.50%
Debt Instrument, Term												70 months
Number Of Tranches \| tranche												2
Debt Instrument, Number of Loans \| Loan												24
Debt Instrument, Payment Start Date, Number Of Months Following Borrowing Date												7 months
Debt Instrument, Periodic Payment Terms, Balloon Payments To Be Paid, Percentage Of Face Amount												53.00%
Secured Debt \| PK Air Debt \| One-Month LIBOR
Debt Instrument [Line Items]
Debt Instrument, Basis Spread on Variable Rate												5.00%
Variable In Determining Interest Rate, Number of Days \| Days												2
Debt Instrument, Fix Rate Basis, Number Of 30-Day Months Of A Notional Interest Rate Swap \| Months												12
Other Debt \| Airnorth Debt
Debt Instrument [Line Items]
Debt balance, gross												$ 11,058,000	13,832,000
Other Debt \| Airnorth Debt \| Minimum
Debt Instrument [Line Items]
Debt Instrument, Remaining Term												1 year
Other Debt \| Airnorth Debt \| Maximum
Debt Instrument [Line Items]
Debt Instrument, Remaining Term												4 years
Other Debt \| Eastern Airways Debt
Debt Instrument [Line Items]
Repayments of Debt								$ 7,400,000	$ 4,900,000
Debt balance, gross												$ 0	14,519,000
Other Debt \| Other Debt
Debt Instrument [Line Items]
Debt balance, gross												9,168,000	3,991,000
Debt repayment schedule, Amount Per Month												$ 400,000
Letters of Credit \| Revolving Credit Facility
Debt Instrument [Line Items]
Debt Instrument, Face Amount													$ 50,000,000
Term Loan, one of three loans \| Airnorth Debt
Debt Instrument [Line Items]
Debt Instrument, Basis Spread on Variable Rate												2.85%
Term Loan, two of three loans \| Airnorth Debt
Debt Instrument [Line Items]
Debt Instrument, Interest Rate, Stated Percentage												3.10%
Debt Instrument, Basis Spread on Variable Rate												2.00%
Number Of Debt Borrowings \| Loan												2
Subsequent Event [Member]
Debt Instrument [Line Items]
Notice Of Default Of Aircraft Leases, Number Of Aircraft \| aircraft																		4
Proceeds From Rights Offering			$ 385,000,000
Subsequent Event [Member] \| Unsecured Rights Offering [Member]
Debt Instrument [Line Items]
Proceeds From Rights Offering			347,500,000
Subsequent Event [Member] \| Secured Rights Offering [Member]
Debt Instrument [Line Items]
Proceeds From Rights Offering			$ 37,500,000
Subsequent Event [Member] \| Common Stock
Debt Instrument [Line Items]
Rights Offering Shares, Percentage			91.825%
Subsequent Event [Member] \| Preferred Stock
Debt Instrument [Line Items]
Rights Offering Shares, Percentage			8.175%
Subsequent Event [Member] \| DIP Facility [Member]
Debt Instrument [Line Items]
Debtor-in-Possession Financing, Letters of Credit Outstanding				$ 75,000,000												$ 150,000,000
Subsequent Event [Member] \| Senior Notes \| 8.75% Senior Secured Notes
Debt Instrument [Line Items]
Repayments of Debt										$ 74,800,000
Debt Instrument, Unsolicited Tender Offer Gross Amount																	$ 75,000,000
Interest paid										$ 200,000
Subsequent Event [Member] \| Term Loan \| 2019 Term Loan [Member]
Debt Instrument [Line Items]
Debt Instrument, Face Amount				$ 75,000,000
Subsequent Event [Member] \| Term Loan \| 2019 Term Loan [Member] \| Eurodollar [Member]
Debt Instrument [Line Items]
Debt Instrument, Basis Spread on Variable Rate				7.00%
Subsequent Event [Member] \| Term Loan \| 2019 Term Loan [Member] \| Base Rate [Member]
Debt Instrument [Line Items]
Debt Instrument, Basis Spread on Variable Rate				6.00%
Equity Interest Pledged As Collateral, Percentage				35.00%
Subsequent Event [Member] \| Term Loan Credit Facility \| Debtor In Possession Credit Agreement [Member]
Debt Instrument [Line Items]
Debt Instrument, Face Amount		$ 150,000,000
Subsequent Event [Member] \| Term Loan Credit Facility \| Debtor In Possession Credit Agreement [Member] \| Eurodollar [Member]
Debt Instrument [Line Items]
Debt Instrument, Basis Spread on Variable Rate		6.00%
Subsequent Event [Member] \| Secured Debt \| PK Air Debt
Debt Instrument [Line Items]
Additional Debt Amount	$ 17,300,000
Extension Of Original Maturity Date	18 months
Debt Instrument, Periodic Payment Terms, Balloon Payment to be Paid	$ 104,200,000