Financing Activity - Interest Expense and Deferred Financing Amortization (Details) - Credit Agreements and Restructured Credit Agreements - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
2018 Revolving Facility
Debt Instrument [Line Items]
Interest expense	$ 551	$ 554	$ 1,092	$ 1,103
Deferred financing amortization	298	299	597	597
Term Loans
Debt Instrument [Line Items]
Interest expense	21,070	20,744	41,518	41,165
Deferred financing amortization	$ 1,784	$ 1,781	$ 3,568	$ 3,561