Commitments and Contingencies (Details 3) - USD ($) $ in Thousands	Dec. 31, 2015	Dec. 31, 2014
Long-term Purchase Commitment [Line Items]
Current reflected in other current liabilities	$ 1,849	$ 2,787
Other Installment Contracts
Long-term Purchase Commitment [Line Items]
2016	2,399
2017	1,267
2018	1,044
2019	1,011
2020	1,018
Thereafter	8,084
Total	14,823
Less amounts representing interest	(4,099)
Present value	10,724
Current reflected in other current liabilities	1,849
Non current reflected in other liabilities	$ 8,875