Accrued Liabilities

12 Months Ended

Dec. 31, 2013

Payables and Accruals [Abstract]

Accrued Liabilities

Accrued Liabilities

Accrued liabilities included in other current liabilities as of December 31, 2013 and 2012 consist of the following:

	As of December 31,
	2013		2012
	(in thousands)
Aircraft maintenance	$	36,165	$	22,319
Federal excise and other passenger taxes and fees payable	26,979		23,401
Salaries and wages	26,174		21,057
Airport expenses	17,109		16,024
Fuel	13,819		11,219
Aircraft and facility rent	7,993		8,020
Tax receivable agreement	5,643		7,987
Other	11,380		11,287
Other current liabilities	$	145,262	$	121,314