Leases - Additional Information (Details) $ in Millions	3 Months Ended
	Mar. 31, 2023 USD ($) Property	Mar. 31, 2022 USD ($)	Dec. 31, 2022 USD ($)
Schedule Of Operating Leases Future Minimum Payments Receivable [Line Items]
Number of properties subject to ground lease | Property	1
Number of properties subject to corporate office lease | Property	1
ROU assets	$ 15.9		$ 16.2
Operating Lease, Right-of-Use Asset, Statement of Financial Position [Extensible Enumeration]	Prepaid Expense and Other Assets		Prepaid Expense and Other Assets
Expected cash payments on operating leases in 2023	$ 0.8
Expected cash payments on operating leases in 2024	1.2
Expected cash payments on operating leases in 2025	1.2
Expected cash payments on operating leases in 2026	1.2
Expected cash payments on operating leases in 2027	1.2
Expected cash payments on operating leases, thereafter	2.9
Present value discount	$ (2.7)
Operating leases expiration year	2073
General and Administrative Expenses [Member]
Schedule Of Operating Leases Future Minimum Payments Receivable [Line Items]
Rent expense	$ 0.3	$ 0.3
Property Operating Expense [Member]
Schedule Of Operating Leases Future Minimum Payments Receivable [Line Items]
Rent expense	$ 0.1	$ 0.1