Debt Obligations (Tables)

9 Months Ended

Sep. 30, 2013

Debt Disclosure [Abstract]

Schedule of Long-term Debt Instruments

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

	September 30,			December 31,
	2013			2012
Unsubordinated term loan	$	135,000		$	144,375
Revolving credit facility	190,500			143,000
Aircraft loans	57,103			63,156
Promissory note due to DHL, unsecured	9,300			13,950
Total long term obligations	391,903			364,481
Less: current portion	(23,572		)	(21,265		)
Total long term obligations, net	$	368,331		$	343,216