CONSOLIDATED STATEMENTS OF INCOME - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2017	Sep. 30, 2016	Sep. 30, 2017	Sep. 30, 2016
Revenues
Rental of flight equipment	$ 359,487	$ 340,864	$ 1,072,254	$ 985,375
Aircraft sales, trading and other	17,278	14,237	45,655	63,193
Total revenues	376,765	355,101	1,117,909	1,048,568
Expenses
Interest	63,514	64,720	193,591	188,870
Amortization of debt discounts and issuance costs	6,959	8,081	22,388	22,630
Interest expense	70,473	72,801	215,979	211,500
Depreciation of flight equipment	127,553	113,251	377,952	333,962
Selling, general and administrative	19,262	19,874	65,677	59,929
Stock-based compensation	5,358	4,602	14,435	12,342
Total expenses	222,646	210,528	674,043	617,733
Income before taxes	154,119	144,573	443,866	430,835
Income tax expense	(54,931)	(51,297)	(158,816)	(152,898)
Net income	$ 99,188	$ 93,276	$ 285,050	$ 277,937
Net income per share of Class A and Class B common stock:
Basic (in dollars per share)	$ 0.96	$ 0.91	$ 2.76	$ 2.70
Diluted (in dollars per share)	$ 0.90	$ 0.86	$ 2.59	$ 2.55
Weighted-average shares outstanding
Basic (in shares)	103,221,692	102,842,996	103,117,695	102,786,822
Diluted (in shares)	111,709,545	110,788,913	111,558,125	110,737,889