Long-Term Debt - Other Long-term Debt (Details) - USD ($) $ in Thousands	Dec. 31, 2018	Dec. 31, 2017
Other long-term debt and capital lease obligations
Total	$ 77,330	$ 115,827
Less current portion	(21,155)	(38,613)
Other long-term debt and capital lease obligations, net of current portion	56,175	77,214
Capital lease obligations.
Other long-term debt and capital lease obligations
Total	66,984	104,318
Notes payable related to satellite vendor financing and other debt payable in installments through 2025 with interest rates of approximately 6%
Other long-term debt and capital lease obligations
Total	$ 10,346	$ 11,509
Interest rate (as a percent)	6.00%