Income Taxes - Income Tax Expense Reconciliation Between U.S. Statutory Tax Rate and Effective Tax Rate (Details) - USD ($) $ in Thousands	3 Months Ended	9 Months Ended	12 Months Ended
	Sep. 30, 2023	Sep. 30, 2023	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Income Tax Disclosure [Abstract]
Income (loss) from continuing operations, before tax			$ (150,223)	$ (25,487)	$ 119,844
Income tax expense (benefit) at U.S. statutory federal rate			(31,547)	(5,352)	25,167
Increases (decreases) resulting from:
State taxes, net of federal benefit			(11,219)	(2,255)	288
Benefit of REIT status			(24,796)	(46,604)	(30,565)
Impairment of nondeductible goodwill			0	36,895	0
Return to accrual			(1,298)	(44)	193
Permanent differences			386	(5)	1
Income tax benefit	$ (56,130)	$ (62,899)	$ (68,474)	$ (17,365)	$ (4,916)