Consolidated Balance Sheets - USD ($) $ in Thousands	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
ASSETS
Cash and cash equivalents	$ 7,052	$ 10,076
Restricted cash	40,272	22,298
Equipment held for operating lease, less accumulated depreciation of $368,683 and $351,553 at December 31, 2017 and 2016, respectively	1,342,571	1,136,603
Maintenance rights	14,763	17,670
Equipment held for sale	34,172	30,710
Operating lease related receivables, net of allowances of $949 and $787 at December 31, 2017 and 2016, respectively	18,848	16,484
Spare parts inventory	16,379	25,443
Investments	50,641	45,406
Property, equipment & furnishings, less accumulated depreciation of $7,374 and $5,858 at December 31, 2017 and 2016, respectively	26,074	16,802
Intangible assets, net	1,727	2,182
Other assets	50,932	14,213
Total assets	1,603,431	1,337,887	$ 1,294,285
Liabilities:
Accounts payable and accrued expenses	22,072	17,792
Deferred income taxes	78,280	104,978
Debt obligations	1,085,405	900,255
Maintenance reserves	75,889	71,602
Security deposits	25,302	21,417
Unearned revenue	8,102	5,823
Total liabilities	1,295,050	1,121,867
Redeemable preferred stock ($0.01 par value, 2,500 shares authorized; 2,500 and 1,000 shares issued and outstanding at December 31, 2017 and 2016, respectively)	49,471	19,760
Shareholders' equity:
Common stock ($0.01 par value, 20,000 shares authorized; 6,419 and 6,402 shares issued and outstanding at December 31, 2017 and 2016, respectively)	64	64
Paid-in capital in excess of par	2,319	2,512
Retained earnings	256,301	194,729
Accumulated other comprehensive income (loss), net of income tax expense (benefit) of $(83) and $551 at December 31, 2017 and December 31, 2016, respectively.	226	(1,045)
Total shareholders' equity	258,910	196,260	$ 209,223	$ 216,648
Total liabilities, redeemable preferred stock and shareholders' equity	$ 1,603,431	$ 1,337,887