Consolidated Statements of Cash Flows (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Cash flows from operating activities:
Net income	$ 1,535	$ 14,508	$ 12,050
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation expense	52,591	51,250	48,704
Write-down of equipment	5,874	3,341	2,874
Stock-based compensation expenses	3,144	3,173	2,678
Amortization of deferred costs	3,982	4,544	5,246
Amortization of loan discount	341	532	594
Amortization of interest rate derivative cost	(236)	483	2,956
Allowances and provisions	503	54	(44)
Gain on sale of leased equipment	(5,499)	(11,110)	(7,990)
Gain on non-monetary exchange	(1,961)
Gain on insurance settlement	(173)
Gain on sale of interest in joint venture			(2,020)
Other non-cash items		(1,113)
Income from joint ventures, net of distributions	(957)	(485)	(160)
Non-cash portion of loss on debt extinguishment and derivatives termination	7,164	343
Deferred income taxes	1,161	9,377	7,630
Changes in assets and liabilities:
Receivables	(4,985)	385	(3,045)
Notes receivable	542	205	196
Other assets	(1,256)	(4,507)	(3,108)
Accounts payable and accrued expenses	(5,936)	(2,021)	3,733
Restricted cash	1,694	2,515	(17,383)
Maintenance reserves	8,804	4,067	3,690
Security deposits	678	552	245
Unearned lease revenue	301	569	(213)
Net cash provided by operating activities	67,311	76,662	56,633
Cash flows from investing activities:
Proceeds from sale of equipment held (net of selling expenses)	34,607	110,777	63,777
Proceeds from sale of interest in joint venture			3,500
Restricted cash for investing activities	1,754	(1,754)
Investment in joint ventures	(5,636)	(8,943)
Purchase of equipment held for operating lease	(61,464)	(144,334)	(121,509)
Purchase of property, equipment and furnishings	(1,219)	(904)	(399)
Net cash used in investing activities	(31,958)	(45,158)	(54,631)
Cash flows from financing activities:
Proceeds from issuance of notes payable	603,693	132,409	174,841
Debt issuance cost	(11,949)	(3,691)	(268)
Preferred stock dividends	(2,493)	(3,128)	(3,128)
Proceeds from shares issued under stock compensation plans	1,725	672	1,269
Cancellation of restricted stock units in satisfaction of withholding tax	(1,194)	(968)	(776)
Excess tax benefit from stock-based compensation		779	422
Redemption of preferred stock	(34,750)
Repurchase of common stock	(12,736)	(5,661)	(4,156)
Cash settlement of stock options		(1,262)
Principal payments on notes payable	(626,923)	(146,439)	(170,037)
Decrease in restricted cash	48,213
Net cash used in financing activities	(36,414)	(27,289)	(1,833)
Increase/(Decrease) in cash and cash equivalents	(1,061)	4,215	169
Cash and cash equivalents at beginning of period	6,440	2,225	2,056
Cash and cash equivalents at end of period	5,379	6,440	2,225
Net cash paid for:
Interest	21,528	20,063	17,629
Income Taxes	105	155	549
Supplemental disclosures of non-cash investing activities:
Purchase of aircraft and engines, liability incurred but not paid	2,402	0	6,099
Engines and equipment, transferred from Held for Operating Lease to Held for Sale but not settled	$ 22,935	$ 17,067	$ 70,000