Net Investment in Sales-type Leases and Ground Lease Receivables - Joint Venture (Details) $ in Thousands	1 Months Ended		3 Months Ended
	Jan. 31, 2024 USD ($)	May 31, 2023 USD ($)	Mar. 31, 2024 USD ($) lease	Mar. 31, 2023 USD ($)
Joint venture
Ground lease acquisition purchase price			$ 32,158	$ 50,803
Ground Lease Plus Fund
Joint venture
Ground lease acquisition purchase price	$ 38,300
Sovereign wealth fund | Joint venture for new acquisitions of Ground Leases
Joint venture
Ownership percentage		45.00%
Land and Related Ground Lease
Joint venture
Leasehold improvement allowance, funded amount			$ 36,500
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