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Number Of Customers Entering Bankruptcy

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Number of Airlines

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Number of variable interest entities consolidated.

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Summary of Significant Accounting Policies Summary of Significant Accounting Policies (Details) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2020 USD ($)	Jun. 30, 2019 USD ($)	Jun. 30, 2020 USD ($) Aircraft Entity segment Lessee	Jun. 30, 2019 USD ($)	Aug. 01, 2020 USD ($) leases NumberOfAirlines	Jun. 14, 2020
Variable Interest Entity [Line Items]
IATA estimated percentage of normal air traffic						30.00%
Deferred Lease Income, Current	$ 61,209		$ 61,209
Number of Operating Segments \| segment			1
Net Cash and Restricted Cash Provided by (Used in) Operating Activities			$ 63,339	$ 245,612
Gain (loss) on sale of flight equipment	(279)	$ 346	26,770	12,348
Revenues	$ 255,452	$ 223,416	$ 537,950	$ 437,343
Concentration Risk, Percentage			50.00%
Number Of Customers Entering Bankruptcy \| Lessee			6
Number of Aircrafts Leased to Bankrupt Customers \| Aircraft			21
Variable Interest Entity, Primary Beneficiary [Member]
Variable Interest Entity [Line Items]
Number of Consolidated Variable Interest Entities \| Entity			2
Subsequent Event
Variable Interest Entity [Line Items]
Deferred Lease Income, Current					$ 99,000
Number of Airlines \| NumberOfAirlines					40
Number of aircraft leases rejected by lessees in bankruptcy proceedings \| leases					1
Lease rental and Direct financing and sales-type lease revenues for the last twelve months [Member]
Variable Interest Entity [Line Items]
Concentration Risk, Percentage			12.00%
Lease Rental Revenue \| Customers in Bankruptcy Proceedings [Member]
Variable Interest Entity [Line Items]
Concentration Risk, Percentage			11.00%
Net Book Value \| Customers in Bankruptcy Proceedings [Member]
Variable Interest Entity [Line Items]
Concentration Risk, Percentage			12.00%
LATAM [Member]
Variable Interest Entity [Line Items]
Number Of Customers Entering Bankruptcy \| Lessee			1
LATAM [Member] \| Lease Rental Revenue \| Customers in Bankruptcy Proceedings [Member]
Variable Interest Entity [Line Items]
Concentration Risk, Percentage			7.00%
LATAM [Member] \| Net Book Value \| Customers in Bankruptcy Proceedings [Member]
Variable Interest Entity [Line Items]
Concentration Risk, Percentage			7.00%