Income Taxes (Effective Income Tax Rate Reconciliation) (Details) - USD ($) $ in Thousands	3 Months Ended								12 Months Ended
	Dec. 31, 2024	Sep. 30, 2024	Jun. 30, 2024	Mar. 31, 2024	Dec. 31, 2023	Sep. 30, 2023	Jun. 30, 2023	Mar. 31, 2023	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Income Tax Contingency [Line Items]
Federal statutory provision									$ (10,989)	$ (9,223)	$ 39,617
State and local income taxes									(31,632)	(703)	5,325
Impact of foreign operations taxed at rates other than the U.S. statutory rate									4,595	2,779	3,472
Accrual/release of uncertain tax amounts related to foreign operations									(829)	(2,829)	(2,753)
U.S. tax impacts of foreign income in the U.S.									7,983	1,099	1,089
Tax credits									0	(69)	0
Unrealized stock compensation benefits									1,686	574	572
Surrender of company-owned life insurance policies									8,139	0	0
Nondeductible officer's compensation									5,992	0	0
Valuation allowance on capital loss carryforward									2,100
Goodwill impairment									0	24,437	0
Affiliate reorganization									(141,723)	0	0
Tax basis differences									0	0	(5,610)
Other, net									(151)	1,282	1,244
(Benefit) provision for income taxes	$ (6,134)	$ (166,466)	$ 2,271	$ 15,500	$ (984)	$ 9,115	$ 2,628	$ 6,588	(154,829)	$ 17,347	42,956
Benefit from affiliate reorganization									22,000
Benefit from state interest valuation allowance release									6,000
Benefit from tax resolution											1,000
Benefit from tax return true-up											1,000
Charge from changes in rates									1,000		2,000
Charge from establishment of valuation allowance											1,000
Charge from GILTI									2,000
Charge on withholding tax									$ 2,000
Benefit from sale of business											5,000
Disposal Group, Disposed of by Sale, Not Discontinued Operations
Income Tax Contingency [Line Items]
Benefit from sale of business											$ 1,000