Consolidated Statements of Income - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2017	Sep. 30, 2016	Sep. 30, 2017	Sep. 30, 2016
REVENUE
Lease rent revenue	$ 33,474	$ 31,270	$ 95,045	$ 88,727
Maintenance reserve revenue	20,370	14,229	64,212	45,562
Spare parts and equipment sales	9,294	4,160	41,273	10,465
Gain on sale of leased equipment	174	180	4,684	3,430
Other revenue	2,549	1,622	6,439	3,614
Total revenue	65,861	51,461	211,653	151,798
EXPENSES
Depreciation and amortization expense	16,142	16,628	48,786	49,235
Cost of spare parts and equipment sales	6,416	3,066	29,546	7,785
Write-down of equipment	6,958	1,995	22,243	5,924
General and administrative	14,308	12,257	40,574	34,694
Technical expense	2,605	1,414	7,345	4,913
Net finance costs:
Interest expense	14,220	10,230	36,398	30,635
Gain on debt extinguishment				(137)
Total net finance costs	14,220	10,230	36,398	30,772
Total expenses	60,649	45,590	184,892	133,323
Earnings from operations	5,212	5,871	26,761	18,475
Earnings from joint ventures	3,040	631	6,055	874
Income before income taxes	8,252	6,502	32,816	19,349
Income tax expense	2,960	2,517	13,367	7,987
Net income	5,292	3,985	19,449	11,362
Preferred stock dividends	344		988
Accretion of preferred stock issuance costs	9		25
Net income attributable to common shareholders	$ 4,939	$ 3,985	$ 18,436	$ 11,362
Basic earnings per common share: (in dollars per share)	$ 0.82	$ 0.63	$ 3.04	$ 1.69
Diluted earnings per common share: (in dollars per share)	$ 0.80	$ 0.62	$ 2.97	$ 1.66
Average common shares outstanding (in shares)	6,055	6,307	6,068	6,711
Diluted average common shares outstanding (in shares)	6,173	6,448	6,198	6,849