Notes Payable - Schedule of 2018 First Lien Term Loan (Details) - USD ($) $ in Thousands	Mar. 31, 2020	Dec. 31, 2019
Long-Term Debt [Line Items]
Term Loan	$ 1,713,146
Unamortized original issue discount	(23,962)	$ (25,690)
Total	1,673,544	1,681,473
Current portion of Term Loan	31,606	31,606
Long term debt, excluding current maturities	1,641,938	1,649,867
Term Loan
Long-Term Debt [Line Items]
Term Loan	1,366,121	1,374,022
Unamortized deferred financing costs	(13,251)	(14,331)
Unamortized original issue discount	(11,682)	(12,635)
Total	1,341,188	1,347,056
Current portion of Term Loan	31,606	31,606
Long term debt, excluding current maturities	$ 1,309,582	$ 1,315,450

Amount, before unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but is not limited to, notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt.

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