CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014
Operating Activities
Net income	$ 95,450	$ 123,434
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation of flight equipment	189,414	159,617
Settlement	36,000
Stock-based compensation	7,724	8,340
Deferred taxes	52,696	66,955
Amortization of discounts and debt issuance costs	15,363	13,479
Gain on aircraft sales, trading and other activity	(23,987)	(27,735)
Changes in operating assets and liabilities:
Other assets	21,124	15,492
Accrued interest and other payables	2,331	13,759
Rentals received in advance	5,938	4,125
Net cash provided by operating activities	402,053	377,466
Investing Activities
Acquisition of flight equipment under operating lease	(1,336,979)	(728,702)
Payments for deposits on flight equipment purchases	(362,578)	(315,555)
Proceeds from aircraft sales, trading and other activity	517,880	201,772
Deposits from aircraft held for sale	151,109
Acquisition of furnishings, equipment and other assets	(129,472)	(107,795)
Net cash used in investing activities	(1,160,040)	(950,280)
Financing Activities
Issuance of common stock upon exercise of options	40	756
Cash dividends paid	(8,198)	(6,113)
Tax withholdings on stock-based compensation	(5,302)	(2,049)
Net change in unsecured revolving facilities	126,000	181,000
Proceeds from debt financings	712,134	540,635
Payments in reduction of debt financings	(260,812)	(296,149)
Net change in restricted cash	(1,064)	72,922
Debt issuance costs	(3,223)	(4,324)
Security deposits and maintenance reserve receipts	90,936	77,975
Security deposits and maintenance reserve disbursements	(12,354)	(17,565)
Net cash provided by financing activities	638,157	547,088
Net decrease in cash	(119,830)	(25,726)
Cash and cash equivalents at beginning of period	282,819	270,173
Cash and cash equivalents at end of period	162,989	244,447
Supplemental Disclosure of Cash Flow Information
Cash paid during the period for interest, including capitalized interest of $20,702 and $21,225 at June 30, 2015 and 2014, respectively	121,767	96,828
Supplemental Disclosure of Noncash Activities
Buyer furnished equipment, capitalized interest, deposits on flight equipment purchases and seller financing applied to acquisition of flight equipment and other assets applied to payments for deposits on flight equipment purchases	664,128	314,794
Cash dividends declared, not yet paid	$ 4,103	$ 3,059