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Intangibles (Tables)

12 Months Ended

Dec. 31, 2018

Finite-Lived Intangible Assets [Line Items]

Schedule of other intangibles

Other intangibles

Other intangibles consisted of the following as of December 31, 2018 and 2017:

	As of December 31,
	2018				2017
Goodwill	$	58,094			$	58,094
Customer relationships, net	261,941				283,118
Contractual vendor intangible assets	8,535				10,606
Tradename, net	—				3,694
	$	328,570			$	355,512

Schedule of movements in maintenance rights intangible

Movements in maintenance rights during the years ended December 31, 2018 and 2017 were as follows:

	Year Ended December 31,
	2018				2017
Maintenance rights at beginning of period	$	1,464,599			$	2,117,034
EOL and MR contract maintenance rights expense	(157,792		)		(355,845		)
MR contract maintenance rights write-off due to maintenance liability release	(29,656		)		(77,494		)
EOL contract maintenance rights write-off due to cash receipt	(99,671		)		(106,433		)
EOL and MR contract maintenance rights write-off due to sale of aircraft	(89,234		)		(112,663		)
Maintenance rights at end of period	$	1,088,246			$	1,464,599

Maintenance Rights Intangible And Lease Premium, Net

Finite-Lived Intangible Assets [Line Items]

Schedule of maintenance rights and lease premiums

Maintenance rights and lease premium, net consisted of the following as of December 31, 2018 and 2017:

	As of December 31,
	2018				2017
Maintenance rights	$	1,088,246			$	1,464,599
Lease premium, net	24,944				37,259
	$	1,113,190			$	1,501,858

Lease Premium

Finite-Lived Intangible Assets [Line Items]

Schedule of maintenance rights and lease premiums

The following tables present details of lease premium and related accumulated amortization as of December 31, 2018 and 2017:

	As of December 31, 2018
	Gross carrying amount				Accumulated amortization				Net carrying amount
Lease premium	$	73,300			$	(48,356	)		$	24,944

	As of December 31, 2017
	Gross carrying amount				Accumulated amortization				Net carrying amount
Lease premium	$	77,977			$	(40,718	)		$	37,259

Schedule of estimated future amortization expense of intangible assets

As of December 31, 2018, the estimated future amortization expense for lease premium was as follows:

	Estimated amortization expense
2019	$	9,692
2020	7,405
2021	5,394
2022	914
2023	712
Thereafter	827
	$	24,944

Customer Relationships And Other Intangible Assets

Finite-Lived Intangible Assets [Line Items]

Schedule of maintenance rights and lease premiums

The following tables present details of customer relationships and tradename and related accumulated amortization as of December 31, 2018 and 2017:

	As of December 31, 2018
	Gross carrying amount				Accumulated amortization				Net carrying amount
Customer relationships	$	360,000			$	(98,059	)		$	261,941
Tradename	40,000				(40,000		)		—
	$	400,000			$	(138,059	)		$	261,941

	As of December 31, 2017
	Gross carrying amount				Accumulated amortization				Net carrying amount
Customer relationships	$	360,000			$	(76,882	)		$	283,118
Tradename	40,000				(36,306		)		3,694
	$	400,000			$	(113,188	)		$	286,812

Schedule of estimated future amortization expense of intangible assets

As of December 31, 2018, the estimated future amortization expense for customer relationships was as follows:

	Estimated amortization expense
2019	$	21,176
2020	21,176
2021	21,176
2022	21,176
2023	21,176
Thereafter	156,061
	$	261,941

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