Interest Expense (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Interest and Debt Expense [Abstract]
Interest incurred on debt	$ 121,010	$ 100,844	$ 24,060
Interest expense - affiliate	0	5,090	0
Redemption Premium	0	4,782	0
Accretion Expense on Extinguished Debt	0	19,414	6,454
Accretion of original issue discount on 2018 Term Loans	2,196	1,455	0
Amortization of debt issuance costs	4,125	3,476	309
Total interest expense	$ 127,331	$ 135,061	$ 30,823
Effective interest rate, revolving credit facility	5.30%	6.02%	4.57%
Stated interest rate		6.375%
Accelerated Accretion		$ 18,700
Accelerated Amortization of Debt Issuance Costs		$ 300