Debt - Debt related expenses included within Interest expense (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020
Debt related expenses included within Interest expense:
Interest Expense, Debt	$ 4,779	$ 5,957	$ 14,242	$ 19,621
Amortization of debt issuance costs	1,187	1,188	3,562	3,562
Total	$ 5,966	$ 7,145	$ 17,804	$ 23,183