Debt and Other Long-Term Liabilities (Schedule of Maturities of Long-term Debt) (Details) - USD ($) $ in Thousands	Mar. 31, 2016	Dec. 31, 2015
Line of Credit Facility [Line Items]
Total	$ 805,910	$ 886,283
Credit Facility | Term Loans
Line of Credit Facility [Line Items]
Remainder of 2016	10,313
2017	15,000
2018	18,750
2019	90,000
Total	$ 134,063	$ 136,875