Income Taxes (Schedule of Deferred Tax Asset (Liability)) (Details) - USD ($) $ in Thousands	Dec. 31, 2022	Dec. 31, 2021
Income Tax Disclosure [Abstract]
NOLs and tax credit carry forwards	$ 101,793	$ 95,684
Compensation and benefit plans	24,451	19,450
Allowance for doubtful accounts	1,280	1,285
Fixed assets and intangible assets	35,678	39,860
Accrued interest expense	30,346	5,258
Unused capital losses	60,226	0
Other liabilities	21,618	15,913
Deferred tax asset	275,392	177,450
Valuation allowance	(132,164)	(105,494)
Net deferred tax asset	143,228	71,956
Prepaid liabilities	(570)	(642)
Fixed assets and intangible assets	(89,671)	(106,820)
Investments in partnerships	(128,434)	(92,866)
Other assets	(23,577)	(23,894)
Deferred tax liability	(242,252)	(224,222)
Total net deferred tax liability	$ (99,024)	$ (152,266)