CONSOLIDATED STATEMENTS OF INCOME - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2017	Jun. 30, 2016	Jun. 30, 2017	Jun. 30, 2016
Revenues
Rental of flight equipment	$ 358,114	$ 327,313	$ 712,767	$ 644,511
Aircraft sales, trading and other	22,843	22,826	28,377	48,956
Total revenues	380,957	350,139	741,144	693,467
Expenses
Interest	63,014	63,190	130,077	124,150
Amortization of debt discounts and issuance costs	6,437	7,388	15,429	14,549
Interest expense	69,451	70,578	145,506	138,699
Depreciation of flight equipment	126,490	112,136	250,399	220,711
Selling, general and administrative	23,843	20,653	46,415	40,055
Stock-based compensation	5,304	4,501	9,077	7,740
Total expenses	225,088	207,868	451,397	407,205
Income before taxes	155,869	142,271	289,747	286,262
Income tax expense	(54,944)	(50,468)	(103,885)	(101,601)
Net income	$ 100,925	$ 91,803	$ 185,862	$ 184,661
Net income per share of Class A and Class B common stock:
Basic (in dollars per share)	$ 0.98	$ 0.89	$ 1.80	$ 1.80
Diluted (in dollars per share)	$ 0.92	$ 0.84	$ 1.69	$ 1.69
Weighted-average shares outstanding
Basic (in shares)	103,180,769	102,837,443	103,064,834	102,758,427
Diluted (in shares)	111,564,483	110,839,180	111,490,683	110,710,174