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, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023
Debt Instrument [Line Items]
Other interest	$ 799	$ 364	$ 1,218	$ 785
Total cash interest expense	20,524	21,015	38,025	41,524
Non-cash portion of loss on extinguishment	1,198	0	1,198	0
Total non-cash interest expense	2,560	1,001	4,366	2,005
Total interest expense	23,084	22,016	42,391	43,529
Term Loan B
Debt Instrument [Line Items]
Cash interest expense	7,084	9,250	15,572	18,999
Amortization of debt issuance costs and discounts	$ 473	529	$ 1,791	1,100
Effective interest rates	12.27%		12.27%
Revolver
Debt Instrument [Line Items]
Cash interest expense	$ 973	2,807	$ 973	4,552
Amortization of debt issuance costs and discounts	158	195	353	355
2017 Senior Notes | Senior Notes
Debt Instrument [Line Items]
Cash interest expense	2,960	8,594	11,554	17,188
Amortization of debt issuance costs and discounts	$ 99	277	$ 392	550
Effective interest rates	7.13%		7.13%
2024 Senior Notes | Senior Notes
Debt Instrument [Line Items]
Cash interest expense	$ 8,708	0	$ 8,708	0
Amortization of debt issuance costs and discounts	$ 632	$ 0	$ 632	$ 0
Effective interest rates	13.56%		13.56%