Notes Payable - Schedule of Long Term Debt (Details) - USD ($) $ in Thousands	Mar. 31, 2017	Dec. 31, 2016
Long-Term Debt [Line Items]
Total	$ 1,980,232	$ 1,986,980
Current maturities	35,700	35,700
Excluding current maturities	1,944,532	1,951,280
First Lien Term Loan
Long-Term Debt [Line Items]
Total	980,410	985,640
Current maturities	21,000	21,000
Excluding current maturities	959,410	964,640
Incremental First Lien Term Loan
Long-Term Debt [Line Items]
Total	672,812	674,860
Current maturities	14,700	14,700
Excluding current maturities	658,112	660,160
10.875% Notes due 2024
Long-Term Debt [Line Items]
Total	327,010	326,480
Current maturities	0	0
Excluding current maturities	327,010	326,480
LIBOR Revolver Loan
Long-Term Debt [Line Items]
Total	$ 0	$ 0