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Accrued maintenance liability (Tables)

12 Months Ended

Dec. 31, 2021

Accrued Maintenance Liability [Abstract]

Schedule of movements in accrued maintenance liability

Movements in accrued maintenance liability during the years ended December 31, 2021 and 2020 were as follows:

			Year Ended December 31,
			2021						2020
Accrued maintenance liability at beginning of period			$	1,750,395					$	2,190,159
GECAS Transaction			1,234,857						—
Maintenance payments received			448,516						345,699
Maintenance payments returned			(209,087)						(412,492)
Release to income upon sale			(20,428)						(95,042)
Release to income other than upon sale			(273,146)						(344,210)
Lessor contribution, top ups and other			(30,456)						66,281
Accrued maintenance liability at end of period			$	2,900,651					$	1,750,395

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Accrued Maintenance Liability [Abstract]

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Schedule Of Movements In Accrued Maintenance Liability [Table Text Block]

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