Debt and Other Obligations (Components of Interest Expense and Amortization of Deferred Financing Costs) (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020
Debt and Other Obligations [Abstract]
Interest expense on debt obligations	$ 9,623	$ 9,623	$ 28,868	$ 28,868
Amortization of deferred financing costs	346	346	1,038	1,038
Total	$ 9,969	$ 9,969	$ 29,906	$ 29,906