Income Taxes (Federal Statutory Income Tax Rate to Income Before Income Taxes) (Details) - USD ($)	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Income Tax Disclosure [Abstract]
Income (loss) from operations before income taxes	$ (31,215,000)	$ 146,328,000	$ 132,304,000
Partnership income (loss) not subject to federal income tax	28,598,000	(135,349,000)	(126,403,000)
Income (loss) subject to federal income taxes	(2,617,000)	10,979,000	5,901,000
Tax expense (benefit) at federal statutory rate	(550,000)	2,306,000	1,239,000
State income taxes, net of federal tax	1,115,000	(467,000)	1,248,000
Return to provision, federal and state	309,000	(169,000)	44,000
Other	(123,000)	(2,077,000)	(18,000)
Valuation allowance	1,041,000	388,000	656,000
Income tax expense (benefit)	$ 1,792,000	$ (19,000)	$ 3,169,000
Effective tax rate on income (loss) from operations before income taxes	(5.70%)	0.00%	2.40%
Liability for uncertain tax positions	$ 0	$ 0	$ 0