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Interest Expense (Components of Interest Expense) (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Interest and Debt Expense [Abstract]
Interest incurred on debt	$ 10,458	$ 13,526	$ 32,743	$ 44,476
Accretion of original issue discount on 2018 Term Loan Facility	178	815	1,043	2,658
Amortization of debt issuance costs and modification costs	642	1,707	2,818	7,075
Unrealized mark-to-market gain on de-designated interest rate swap	(249)	0	(6,964)	0
Gain upon partial termination of interest rate swap	(4,605)	0	(4,605)	0
Interest expense	$ 6,424	$ 16,048	$ 25,035	$ 54,209

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Amount recognized for the passage of time, typically for liabilities, that have been discounted to their net present values. Excludes accretion associated with asset retirement obligations.

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Amount of amortization expense attributable to debt issuance costs.

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Amount of gain (loss) included in earnings for the period from the increase (decrease) in fair value of interest rate derivatives not designated as hedging instruments.

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Amount of the cost of borrowed funds accounted for as interest expense.

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