Financing Activity - Interest Expense and Deferred Financing Amortization (Details) - Credit Agreements and Restructured Credit Agreements - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
2018 Revolving Facility
Debt Instrument [Line Items]
Interest expense	$ 541	$ 548
Deferred financing amortization	299	299
Term Loans
Debt Instrument [Line Items]
Interest expense	20,448	20,421
Deferred financing amortization	$ 1,784	$ 1,780