Debt Obligations (Tables)

12 Months Ended

Dec. 31, 2014

Debt Disclosure [Abstract]

Schedule of Long-term Debt Instruments

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

	December 31,			December 31,
	2014			2013
Unsubordinated term loan	$	116,250		$	131,250
Revolving credit facility	180,000			190,500
Aircraft loans	46,294			55,015
Promissory note due to DHL, unsecured	1,550			7,750
Total long term obligations	344,094			384,515
Less: current portion	(24,344		)	(23,721		)
Total long term obligations, net	$	319,750		$	360,794

Schedule of Maturities of Long-term Debt

The scheduled annual principal payments on long term debt, as of December 31, 2014, for the next five years are as follows (in thousands):

	Principal Payments
2015	$	24,344
2016	33,865
2017	29,445
2018	18,640
2019	236,250
2020 and beyond	1,550
	$	344,094