Net Investment in Sales-type Leases and Ground Lease Receivables - Joint Venture (Details) $ in Thousands	1 Months Ended			12 Months Ended
	Nov. 30, 2023 USD ($)	May 31, 2023 USD ($)	Sep. 30, 2022 USD ($)	Dec. 31, 2023 USD ($) lease	Dec. 31, 2022 USD ($)
Joint venture
Ground lease acquisition purchase price				$ 225,840
Gain (Loss) on Sale of Leases Held For Investment				$ 447	$ 55,811
Sovereign wealth fund | Joint venture for new acquisitions of Ground Leases
Joint venture
Ownership percentage		45.00%
Land and Related Ground Lease
Joint venture
Proceeds from Sale of Held-for-Investment Lease	$ 4,200		$ 136,000
Gain (Loss) on Sale of Leases Held For Investment	$ 400				$ 55,800
Joint Venture for New Acquisitions of Ground Leases
Joint venture
Joint venture commitments		$ 275,000
Controlling interest in joint venture		55.00%
Percent of Promote fee				15.00%
Internal Rate of Return				9.00%
Promote fee cap percent				1.275
First look rights period on qualifying investments				18 months
Number of Ground Leases acquired | lease				3
Ground lease acquisition purchase price				$ 60,100
Funded amount of Ground Lease acquisition				$ 36,200
Joint Venture for New Acquisitions of Ground Leases | First five year following acquisition
Joint venture
Percent of management fee				0.25%
Management fee term				5 years
Joint Venture for New Acquisitions of Ground Leases | After five years of acquisition
Joint venture
Percent of management fee				0.15%
Joint Venture for New Acquisitions of Ground Leases | Sovereign wealth fund
Joint venture
Joint venture commitments		$ 225,000