Consolidated Statements of Cash Flows (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Cash flows from operating activities:
Net income	$ 15,626	$ 1,535	$ 14,508
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization expense	58,727	52,591	51,250
Write-down of equipment	6,461	5,874	3,341
Stock-based compensation expenses	3,439	3,144	3,173
Amortization of deferred costs	4,113	3,982	4,544
Amortization of loan discount		341	532
Amortization of interest rate derivative cost	(404)	(236)	483
Allowances and provisions	(684)	503	54
Gain on sale of leased equipment	(5,675)	(5,499)	(11,110)
Gain on non-monetary exchange		(1,961)
Gain on insurance settlement	(351)	(173)
Other non-cash items			(1,113)
Income from joint ventures, net of distributions	(3,526)	(957)	(485)
Non-cash portion of loss on debt extinguishment and derivatives termination		7,164	343
Deferred income taxes	(4,389)	949	8,335
Changes in assets and liabilities:
Receivables	2,269	(4,985)	385
Notes receivable		542	205
Other assets	(3,158)	(1,256)	(4,507)
Accounts payable and accrued expenses	(23)	(5,724)	(979)
Restricted cash	(5,701)	1,694	2,515
Maintenance reserves	14,022	8,804	4,067
Security deposits	614	678	552
Unearned lease revenue	(1,064)	301	569
Net cash provided by operating activities	80,296	67,311	76,662
Cash flows from investing activities:
Proceeds from sale of equipment (net of selling expenses)	38,706	34,607	110,777
Restricted cash for investing activities	(20,502)	1,754	(1,754)
Capital contribution to joint ventures	(11,219)	(5,636)	(8,943)
Acquisitions of J.T Power, net of cash acquired	(4,171)
Acquisitions of WOLF, net of cash acquired	2,020
Purchase of equipment held for operating lease and for sale	(136,231)	(61,464)	(144,334)
Purchase of property, equipment and furnishings	(453)	(1,219)	(904)
Net cash used in investing activities	(131,850)	(31,958)	(45,158)
Cash flows from financing activities:
Proceeds from issuance of notes payable	130,000	603,693	132,409
Debt issuance cost	(1,252)	(11,949)	(3,691)
Preferred stock dividends		(2,493)	(3,128)
Interest bearing security deposits	7,588
Proceeds from shares issued under stock compensation plans	680	1,725	672
Cancellation of restricted stock units in satisfaction of withholding tax	(1,248)	(1,194)	(968)
Excess tax benefit from stock-based compensation			779
Redemption of preferred stock		(34,750)
Repurchase of common stock	(5,918)	(12,736)	(5,661)
Cash settlement of stock options			(1,262)
Principal payments on notes payable	(70,874)	(626,923)	(146,439)
Decrease in restricted cash		48,213
Net cash provided by (used in) financing activities	58,976	(36,414)	(27,289)
Increase/(Decrease) in cash and cash equivalents	7,422	(1,061)	4,215
Cash and cash equivalents at beginning of period	5,379	6,440	2,225
Cash and cash equivalents at end of period	12,801	5,379	6,440
Net cash paid for:
Interest	33,931	21,528	20,063
Income Taxes	111	105	155
Supplemental disclosures of non-cash investing activities:
Purchase of aircraft and engines, liability incurred but not paid	63	2,255	0
Engines and equipment, transferred from Held for Operating Lease to Held for Sale but not settled	$ 15,166	$ 22,935	$ 17,067