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Summary of Significant Accounting Policies - Fair Value (Details) - USD ($) $ in Thousands | Jun. 30, 2025 | Dec. 31, 2024 | Jun. 30, 2024 | Dec. 31, 2023
--- | --- | --- | --- | ---
Assets |  |  |  |  |  |  |
Net investment in sales-type leases |  | $ 3,511,257 | [1] | $ 3,454,953 | [1] | $ 3,380,007 | $ 3,255,195
Ground Lease receivables |  | 1,903,883 | [1] | 1,833,398 | [1] | 1,746,567 | $ 1,622,298
Cash and cash equivalents |  | 13,907 | [1] | 8,346 | [1] | 13,418 |
Restricted cash |  | 9,030 | [1] | 8,772 | [1] | $ 8,604 |
Liabilities |  |  |  |  |  |  |
Debt obligations, net | [1] | 4,444,412 |  | 4,317,439 |  |  |
Nonrelated party |  |  |  |  |  |  |
Assets |  |  |  |  |  |  |
Loans receivable, net | [1] | 43,301 |  |  |  |  |
Related party |  |  |  |  |  |  |
Assets |  |  |  |  |  |  |
Loans receivable, net | [1] | 112,533 |  | 112,359 |  |  |
Carrying Value |  |  |  |  |  |  |
Assets |  |  |  |  |  |  |
Net investment in sales-type leases |  | 3,511,000 |  | 3,455,000 |  |  |
Ground Lease receivables |  | 1,904,000 |  | 1,833,000 |  |  |
Cash and cash equivalents |  | 14,000 |  | 8,000 |  |  |
Restricted cash |  | 9,000 |  | 9,000 |  |  |
Liabilities |  |  |  |  |  |  |
Debt obligations, net |  | 4,444,000 |  | 4,317,000 |  |  |
Carrying Value | Nonrelated party |  |  |  |  |  |  |
Assets |  |  |  |  |  |  |
Loans receivable, net |  | 43,000 |  |  |  |  |
Carrying Value | Related party |  |  |  |  |  |  |
Assets |  |  |  |  |  |  |
Loans receivable, net |  | 113,000 |  | 112,000 |  |  |
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 |  | 3,017,000 |  | 2,891,000 |  |  |
Fair Value |  |  |  |  |  |  |
Liabilities |  |  |  |  |  |  |
Debt obligations, net |  | 3,859,000 |  | 3,686,000 |  |  |
Fair Value | Nonrelated party |  |  |  |  |  |  |
Assets |  |  |  |  |  |  |
Loans receivable, net |  | 43,000 |  |  |  |  |
Fair Value | Fair Value, Inputs, Level 1 |  |  |  |  |  |  |
Assets |  |  |  |  |  |  |
Cash and cash equivalents |  | 14,000 |  | 8,000 |  |  |
Restricted cash |  | 9,000 |  | 9,000 |  |  |
Liabilities |  |  |  |  |  |  |
Debt obligations, net |  | 1,377,000 |  | 1,335,000 |  |  |
Fair Value | Fair Value, Inputs, Level 3 |  |  |  |  |  |  |
Assets |  |  |  |  |  |  |
Net investment in sales-type leases |  | 3,328,000 |  | 3,680,000 |  |  |
Ground Lease receivables |  | 1,897,000 |  | 2,043,000 |  |  |
Liabilities |  |  |  |  |  |  |
Debt obligations, net |  | 2,482,000 |  | 2,351,000 |  |  |
Fair Value | Fair Value, Inputs, Level 3 | Related party |  |  |  |  |  |  |
Assets |  |  |  |  |  |  |
Loans receivable, net |  | $ 115,000 |  | $ 115,000 |  |  |
[1] | Refer to Note 2 for details on the Company’s consolidated variable interest entities (“VIEs”).

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