Debt Instrument, Accrued Interest Payable

No definition available.

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- Definition

Debt Instrument, Call Premium

+ References

No definition available.

+ Details

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- Definition

Face (par) amount of debt instrument at time of issuance. Tranche A amount due within three-years.

+ References

No definition available.

+ Details

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- Definition

Face (par) amount of debt instrument at time of issuance. Tranche B amount due within five-years.

+ References

No definition available.

+ Details

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- Definition

Minimum net worth required in order to be in compliance with the covenant clauses of the related debt agreement.

+ References

No definition available.

+ Details

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- Definition

Debt issue price percent

+ References

No definition available.

+ Details

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- Definition

Number of tranches for debt instrument at time of issuance

+ References

No definition available.

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- Definition

Sum of the present value of 100% of the principal amount of notes redeemed and the remaining scheduled interest payments from the redemption date to maturity

+ References

No definition available.

+ Details

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- Definition

Total Number of Aircraft Securing Financing

+ References

No definition available.

+ Details

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- Definition

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

+ References

No definition available.

+ Details

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Balance Type:	na
Period Type:	duration

- Definition

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

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 835
-SubTopic 30
-Section 45
-Paragraph 2
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Period Type:	instant

- Definition

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

+ References

+ Details

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- 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.

+ References

No definition available.

+ Details

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Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

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

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
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Period Type:	duration

- Definition

Percentage of principal amount of debt redeemed.

+ References

No definition available.

+ Details

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- Definition

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.

+ References

No definition available.

+ Details

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- Definition

Weighted average interest rate of debt outstanding.

+ References

No definition available.

+ Details

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- Definition

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.

+ References

+ Details

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Balance Type:	credit
Period Type:	instant

- Definition

Fair value of the amount outstanding under the credit facility.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 825
-SubTopic 10
-Section 50
-Paragraph 10
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- Definition

Amount of increase (decrease) of the credit facility.

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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition

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.

+ References

+ Details

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- Definition

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

+ References

+ Details

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- Definition

The amount of property, by major property class, net of accumulated depreciation, subject to or available for lease as of the balance sheet date.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/otherTransitionRef
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Period Type:	instant

- Definition

The cash outflow for debt initially having maturity due after one year or beyond the normal operating cycle, if longer.

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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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Period Type:	duration

- Definition

Including the current and noncurrent portions, carrying value as of the balance sheet date of uncollateralized debt obligations (with maturities initially due after one year or beyond the operating cycle if longer).

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Borrowings from Secured and Unsecured Debt Financings (Details Textual) $ in Thousands		3 Months Ended		10 Months Ended	12 Months Ended
	Dec. 31, 2018 USD ($)	Jun. 30, 2019 USD ($)	Mar. 31, 2019 USD ($) Tranche	Dec. 31, 2019 USD ($)	Dec. 31, 2019 USD ($)	Dec. 31, 2018 USD ($)	Dec. 31, 2017 USD ($)	Jul. 15, 2019 USD ($)	Jun. 26, 2019 USD ($) Aircraft	May 01, 2019 USD ($) Aircraft	Apr. 28, 2019 USD ($)	Feb. 27, 2019 USD ($)	Jan. 09, 2019 USD ($)	Dec. 27, 2018 USD ($)
Debt Instrument [Line Items]
Repayments of Long-term Debt					$ 1,817,558	$ 969,139	$ 878,534
Net Book Value	$ 6,935,585			$ 7,375,018	7,375,018	6,935,585
Borrowings from unsecured financings, net of debt issuance costs	3,962,896			3,932,491	3,932,491	3,962,896
Present Value of Redemption Price		100.00%
Line of Credit \| Revolving Credit Facility
Debt Instrument [Line Items]
Borrowings from unsecured financings, net of debt issuance costs	425,000			150,000	150,000	425,000
Line of Credit Facility, Fair Value of Amount Outstanding				150,000	150,000
Line of Credit Facility, Remaining Borrowing Capacity				$ 950,000	$ 950,000
Senior 4.25% Notes due 2026 [Member] \| Company Redemption Option
Debt Instrument [Line Items]
Debt Instrument, Redemption Price, Percentage		100.00%
Senior 4.25% Notes due 2026 [Member] \| Change in Control
Debt Instrument [Line Items]
Debt Instrument, Redemption Price, Percentage		101.00%
DBJ Term Loan \| Notes Payable to Banks
Debt Instrument [Line Items]
Debt Instrument, Minimum Net Worth Covenant Required												$ 750,000
Number of tranches for debt instrument at time of issuance \| Tranche			2
ECA Term Financings \| Notes Payable, Other Payables
Debt Instrument [Line Items]
Debt, Weighted Average Interest Rate				3.58%	3.58%
Bank Financings \| Notes Payable, Other Payables
Debt Instrument [Line Items]
Debt, Weighted Average Interest Rate				3.82%	3.82%
Senior Notes Due 2019 \| Senior Notes Due 2019
Debt Instrument [Line Items]
Debt Instrument, Accrued Interest Payable								$ 3,733
Debt Instrument, Call Premium								$ 7,183
2018 DBS Revolving Credit Facility [Member] [Domain] \| Line of Credit \| Revolving Credit Facility
Debt Instrument [Line Items]
Debt Instrument, Minimum Net Worth Covenant Required														$ 750,000
Line of Credit Facility, Current Borrowing Capacity	$ 250,000	$ 300,000	$ 280,000			$ 250,000
Line of Credit Facility, Maximum Borrowing Capacity														$ 350,000
Line of Credit Facility, Increase (Decrease), Net		$ 20,000	$ 30,000
Debt Instrument, Term	3 years
2016 DBS Revolving Credit Facility [Member] \| Line of Credit \| Revolving Credit Facility
Debt Instrument [Line Items]
Line of Credit Facility, Current Borrowing Capacity													$ 135,000
2018 NBA Secured Debt Financing [Member] \| Secured Debt
Debt Instrument [Line Items]
Debt Instrument, Interest Rate, Stated Percentage									3.14%
Debt Instrument, Face Amount									$ 40,000
2018 NBA Secured Debt Financing [Member] \| Secured Debt \| B-737-800 [Member]
Debt Instrument [Line Items]
Total Number of Aircraft Securing Financing \| Aircraft									2
2019 BNP-SG Secured Debt Financing [Member] \| Secured Debt
Debt Instrument [Line Items]
Debt Instrument, Face Amount										$ 320,000
2019 BNP-SG Secured Debt Financing [Member] \| Secured Debt \| A-320-Neo [Member]
Debt Instrument [Line Items]
Total Number of Aircraft Securing Financing \| Aircraft										8
2019 Credit AG Secured Debt Financing [Member] \| Secured Debt
Debt Instrument [Line Items]
Debt Instrument, Face Amount										$ 120,000
2019 Credit AG Secured Debt Financing [Member] \| Secured Debt \| A-320-Neo [Member]
Debt Instrument [Line Items]
Total Number of Aircraft Securing Financing \| Aircraft										3
London Interbank Offered Rate (LIBOR) [Member] \| 2018 DBS Revolving Credit Facility [Member] [Domain] \| Line of Credit \| Revolving Credit Facility
Debt Instrument [Line Items]
Interest Rate on any Advances	1.50%
4.25% [Member] \| Senior 4.25% Notes due 2026 [Member] \| Senior 4.25% Notes due 2026 [Member]
Debt Instrument [Line Items]
Debt Instrument, Interest Rate, Stated Percentage		4.25%
Borrowings from unsecured financings, net of debt issuance costs		$ 650,000
Debt issue price percent		99.515%
4.25% [Member] \| Senior 4.25% Notes due 2026 [Member] \| Senior 4.25% Notes due 2026 [Member] \| Company Redemption Option
Debt Instrument [Line Items]
Debt Instrument, Redemption Price, Percentage of Principal Amount Redeemed		100.00%
Interest Rate on any Advances		0.35%
Senior Notes due 2019 with 6.25% Interest Rate [Domain] \| Senior Notes Due 2019 \| Senior Notes Due 2019
Debt Instrument [Line Items]
Debt Instrument, Interest Rate, Stated Percentage		6.25%
2019 BNP-SG Secured Debt Financing [Member] \| 2019 Credit AG Secured Debt Financing [Member] \| Secured Debt
Debt Instrument [Line Items]
Debt Instrument, Interest Rate, Stated Percentage										3.13%
Floating Rate Term Loan [Member] \| DBJ Term Loan \| Notes Payable to Banks
Debt Instrument [Line Items]
Debt Instrument, Face Amount											$ 120,000	215,000
Debt Tranche A [Member] \| DBJ Term Loan \| Notes Payable to Banks
Debt Instrument [Line Items]
Debt Instrument, Term				3 years
Debt Tranche A [Member] \| Floating Rate Term Loan [Member] \| DBJ Term Loan \| Notes Payable to Banks
Debt Instrument [Line Items]
Debt Instrument, Face Amount - Tranche A												60,000
Debt Tranche B [Member] \| DBJ Term Loan \| Notes Payable to Banks
Debt Instrument [Line Items]
Debt Instrument, Term				5 years
Debt Tranche B [Member] \| Floating Rate Term Loan [Member] \| DBJ Term Loan \| Notes Payable to Banks
Debt Instrument [Line Items]
Debt Instrument, Face Amount - Tranche B												$ 155,000