Debt Obligations (Tables)

3 Months Ended

Mar. 31, 2014

Debt Disclosure [Abstract]

Schedule of Long-term Debt Instruments

Long term obligations consisted of the following (in thousands):

	March 31,			December 31,
	2014			2013
Unsubordinated term loan	$	127,500		$	131,250
Revolving credit facility	188,000			190,500
Aircraft loans	52,891			55,015
Promissory note due to DHL, unsecured	6,200			7,750
Total long term obligations	374,591			384,515
Less: current portion	(23,873		)	(23,721		)
Total long term obligations, net	$	350,718		$	360,794