Other Obligations (Details) - Jun. 30, 2015 - Capital Lease Obligations [Member] - USD ($) $ in Thousands	Total
Capital Equipment Lease Obligations
Base rate on interest on leases	LIBOR
Margin over base rate on lease agreement (as a percent)	1.95%
Interest rate (as a percent)	2.13%
Gross value of property, plant, and equipment under capital leases	$ 11,400
Accumulated depreciation of property, plant, and equipment under capital leases	2,500
Future payments on capital equipment lease obligation payments
2015	901
2016	1,775
2017	1,740
2018	1,705
2019	1,670
Thereafter	879
Total	8,670
Less: interest	450
Total principal payments	8,220
Less: current portion	1,632
Capital equipment lease obligations, net of current portion	$ 6,588