Condensed Consolidated Statements of Income - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
REVENUE
Gain on sale of leased equipment	$ 498	$ 0	$ 2,796	$ 0
Gain on sale of financial assets	3,116	0	3,116	0
Total revenue	78,075	66,472	146,892	127,597
EXPENSES
Depreciation and amortization expense	21,612	23,340	43,421	47,481
Cost of spare parts and equipment sales	7,014	3,278	11,876	7,087
Write-down of equipment	78	2,246	21,195	4,113
General and administrative	20,427	19,499	44,032	35,650
Technical expense	3,436	2,296	9,082	3,606
Net finance costs:
Interest expense	16,023	16,987	32,906	32,006
Total net finance costs	16,023	16,987	32,906	32,006
Total expenses	68,590	67,646	162,512	129,943
Income (loss) from operations	9,485	(1,174)	(15,620)	(2,346)
Income (loss) from joint ventures	1,469	(685)	(1,147)	(1,204)
Income (loss) before income taxes	10,954	(1,859)	(16,767)	(3,550)
Income tax expense (benefit)	5,046	(1,917)	(1,474)	(2,276)
Net income (loss)	5,908	58	(15,293)	(1,274)
Preferred stock dividends	811	811	1,612	1,612
Accretion of preferred stock issuance costs	21	21	42	42
Net income (loss) attributable to common shareholders	$ 5,076	$ (774)	$ (16,947)	$ (2,928)
Basic weighted average income (loss) per common share (in dollars per share)	$ 0.83	$ (0.12)	$ (2.81)	$ (0.48)
Diluted weighted average income (loss) per common share (in dollars per share)	$ 0.81	$ (0.12)	$ (2.81)	$ (0.48)
Basic weighted average common shares outstanding (in shares)	6,129	6,218	6,040	6,107
Diluted weighted average common shares outstanding (in shares)	6,246	6,218	6,040	6,107
Lease rent revenue
REVENUE
Lease rent and maintenance reserve revenue	$ 36,704	$ 32,431	$ 74,829	$ 63,951
Maintenance reserve revenue
REVENUE
Lease rent and maintenance reserve revenue	24,245	17,278	39,079	37,090
Spare parts and equipment sales
REVENUE
Other sales and revenue	6,792	3,569	13,422	8,135
Asset transition fee
REVENUE
Other sales and revenue	0	6,256	0	6,256
Other revenue
REVENUE
Other sales and revenue	$ 6,720	$ 6,938	$ 13,650	$ 12,165