CONSOLIDATED STATEMENTS OF INCOME (USD $) In Thousands, except Share data, unless otherwise specified	3 Months Ended
Mar. 31, 2015	Mar. 31, 2014
Revenues
Rental of flight equipment	$ 269,256	$ 230,391
Aircraft sales, trading and other	9,059al_AircraftSalesTradingAndOther	15,894al_AircraftSalesTradingAndOther
Total revenues	278,315us-gaap_Revenues	246,285us-gaap_Revenues
Expenses
Interest	55,403us-gaap_InterestExpenseDebt	44,358us-gaap_InterestExpenseDebt
Amortization of debt discounts and issuance costs	7,682us-gaap_AmortizationOfFinancingCosts	6,490us-gaap_AmortizationOfFinancingCosts
Interest expense	63,085us-gaap_InterestExpense	50,848us-gaap_InterestExpense
Depreciation of flight equipment	91,012us-gaap_Depreciation	78,142us-gaap_Depreciation
Settlement	72,000us-gaap_LitigationSettlementAmount
Selling, general and administrative	19,098	19,186
Stock-based compensation	3,146us-gaap_ShareBasedCompensation	3,400us-gaap_ShareBasedCompensation
Total expenses	248,341us-gaap_OperatingExpenses	151,576us-gaap_OperatingExpenses
Income before taxes	29,974	94,709
Income tax expense	(10,642)us-gaap_IncomeTaxExpenseBenefit	(33,312)us-gaap_IncomeTaxExpenseBenefit
Net income	$ 19,332	$ 61,397
Net income per share of Class A and Class B common stock:
Basic (in dollars per share)	$ 0.19us-gaap_EarningsPerShareBasic	$ 0.60us-gaap_EarningsPerShareBasic
Diluted (in dollars per share)	$ 0.19us-gaap_EarningsPerShareDiluted	$ 0.57us-gaap_EarningsPerShareDiluted
Weighted-average shares outstanding
Basic (in shares)	102,455,040	101,857,176
Diluted (in shares)	110,558,709	110,037,382

Represents the other income from aircraft sales, trading and other activities recognized during the period.

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