Financial Commitments (Summary of Interest Expense as Reported in the Consolidated Statements of Operations) (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022
Debt Instrument [Line Items]
Other interest	$ 364	$ 479	$ 785	$ 940
Total cash interest expense	21,015	15,288	41,524	30,879
Total non-cash interest expense	1,001	916	2,005	1,817
Total interest expense	22,016	16,204	43,529	32,696
Term Loan B
Debt Instrument [Line Items]
Cash interest expense	9,250	6,085	18,999	12,118
Total non-cash interest expense	$ 529	516	$ 1,100	1,021
Effective interest rates	10.84%		10.84%
Revolving Credit Facility
Debt Instrument [Line Items]
Cash interest expense	$ 2,807	130	$ 4,552	633
Total non-cash interest expense	195	141	355	283
2017 Senior Notes | Senior Notes
Debt Instrument [Line Items]
Cash interest expense	8,594	8,594	17,188	17,188
Total non-cash interest expense	$ 277	$ 259	$ 550	$ 513
Effective interest rates	7.13%		7.13%