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Summary of Significant Accounting Policies - Fair Value (Details) - USD ($) $ in Thousands		Mar. 31, 2025		Dec. 31, 2024		Mar. 31, 2024	Dec. 31, 2023
Assets
Net investment in sales-type leases		$ 3,471,953	[1]	$ 3,454,953	[1]	$ 3,341,658	$ 3,255,195
Ground Lease receivables		1,854,395	[1]	1,833,398	[1]	1,661,063	$ 1,622,298
Loan receivable, net	[1]	112,520		112,359
Cash and cash equivalents		17,296	[1]	8,346	[1]	11,284
Restricted cash		8,687	[1]	8,772	[1]	$ 27,891
Liabilities
Debt obligations, net	[1]	4,341,484		4,317,439
Carrying Value
Assets
Net investment in sales-type leases		3,472,000		3,455,000
Ground Lease receivables		1,854,000		1,833,000
Loan receivable, net		113,000		112,000
Cash and cash equivalents		17,000		8,000
Restricted cash		9,000		9,000
Liabilities
Debt obligations, net		4,341,000		4,317,000
Carrying Value | Fair Value, Inputs, Level 1
Liabilities
Debt obligations, net		1,427,000		1,426,000
Carrying Value | Fair Value, Inputs, Level 3
Liabilities
Debt obligations, net		2,914,000		2,891,000
Fair Value
Liabilities
Debt obligations, net		3,739,000		3,686,000
Fair Value | Fair Value, Inputs, Level 1
Assets
Cash and cash equivalents		17,000		8,000
Restricted cash		9,000		9,000
Liabilities
Debt obligations, net		1,360,000		1,335,000
Fair Value | Fair Value, Inputs, Level 3
Assets
Net investment in sales-type leases		3,525,000		3,680,000
Ground Lease receivables		1,964,000		2,043,000
Loan receivable, net		114,000		115,000
Liabilities
Debt obligations, net		$ 2,379,000		$ 2,351,000
[1] Refer to Note 2 for details on the Company’s consolidated variable interest entities (“VIEs”).

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