Investments - Summary of Gross Investment Activity (Details) $ in Thousands	6 Months Ended
	Jun. 30, 2024 USD ($) investmentLocation	Jun. 30, 2023 USD ($) investmentLocation	Dec. 31, 2023 USD ($)
Number of Investment Locations
Beginning balance | investmentLocation	1,873	1,653
Acquisitions of and additions to real estate investments | investmentLocation	141	134
Sales of investments in real estate | investmentLocation	(13)	(32)
Relinquishment of properties at end of ground lease term | investmentLocation	(3)	(1)
Investments in loans receivable | investmentLocation	21	1
Principal collections on and settlements of loans and direct financing lease receivables | investmentLocation	(10)	(13)
Ending balance | investmentLocation	2,009	1,742
Dollar Amount of Investments
Beginning balance	$ 4,915,246	$ 4,055,385
Acquisitions of and additions to real estate investments	511,218	480,022
Sales of investments in real estate	(16,706)	(65,950)
Relinquishment of properties at end of ground lease term	(1,471)	(837)
Provisions for impairment of real estate	(6,564)	(1,479)
Investments in loans and direct financing lease receivables	76,031	6,800
Principal collections on and settlements of loans and direct financing lease receivables	(4,900)	(19,452)
Other	(1,531)	(2,394)
Ending balance	5,471,324	4,452,095
Less: accumulated depreciation and amortization	(421,486)	(318,862)	$ (367,133)
Net investments	$ 5,049,838	$ 4,133,233	$ 4,548,113