Summary of Significant Accounting Policies - Narrative (Details) - USD ($) $ in Thousands	6 Months Ended	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2023	Dec. 31, 2022
Tax Credit Carryforward [Line Items]
Net income (loss) before income taxes	$ (71,598)	$ (114,510)
Deferred tax asset, net	2,247	2,896	$ 2,247
Income tax payable	$ 10,720	$ 356	$ 10,720
Effective tax rate (in percent)	(13.93%)	(2.38%)	(13.90%)
DTA, valuation allowance	$ 15,027	$ 14,896	$ 15,027
Net deferred tax asset	2,247	2,896	2,247
Deferred tax assets, capital loss carryforwards	2,050	137	2,050
Taxable REIT Subsidiary One
Tax Credit Carryforward [Line Items]
Estimated net taxable capital gain	10,300	11,000
DTA, valuation allowance	15,000	14,900	15,000
Net deferred tax asset		4,500
Taxable REIT Subsidiary Two
Tax Credit Carryforward [Line Items]
Net deferred tax asset		700
Deferred tax assets, operating loss carryforwards, not subject to expiration		1,400
Deferred tax assets, capital loss carryforwards		700
NHS TRS, LLC
Tax Credit Carryforward [Line Items]
Deferred tax asset, net	3,400	4,500	3,400
NREO TRS, LLC
Tax Credit Carryforward [Line Items]
Deferred tax asset, net	2,200		2,200
Income tax payable	$ 1,200	$ 1,600	$ 1,200