Summary of Significant Accounting Policies - Reclassifications (Details) - USD ($) $ in Thousands	Dec. 31, 2015	Dec. 31, 2014
New accounting pronouncements disclosures
Long-term Debt and Capital Lease Obligations	$ 238,295	$ 254,062
Other current assets	46,921	52,246
Other long-term assets	$ 11,207	9,895
Deferred income taxes		7,416
Accounting Standards Update ("ASU") 2015-03 - Simplifying the Presentation of Debt Issuance Costs
New accounting pronouncements disclosures
Long-term Debt and Capital Lease Obligations		(1,700)
Other long-term assets		(1,700)
Accounting Standards Update ("ASU") 2015-17 - Income Taxes: Balance Sheet Classification of Deferred Taxes | Retrospective early adoption
New accounting pronouncements disclosures
Other current assets		(27,200)
Other long-term assets		3,700
Deferred income taxes		$ (23,500)