Real Estate Owned - Schedule of Real Estate Owned Assets and Liabilities (Details) - USD ($) $ in Thousands |
3 Months Ended | 9 Months Ended | 12 Months Ended | ||||
|---|---|---|---|---|---|---|---|
Sep. 30, 2026 |
Sep. 30, 2025 |
Sep. 30, 2026 |
Sep. 30, 2025 |
Dec. 31, 2025 |
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| Asset Acquisition [Line Items] | |||||||
| Interest expense | $ 55,655 | $ 48,818 | $ 154,504 | $ 137,485 | |||
| Accrued interest payable | [1] | 6,441 | 6,441 | $ 6,751 | |||
| Office Property | |||||||
| Asset Acquisition [Line Items] | |||||||
| Cash | 20,784 | 18,018 | |||||
| Real estate owned - Building and building improvements | 200,058 | 172,724 | |||||
| Real estate owned - Land and land improvements | 62,618 | 54,845 | |||||
| Real estate owned - Tenant improvements | 10,520 | 9,113 | |||||
| Real estate owned | 273,196 | 236,682 | |||||
| Accumulated depreciation | (17,983) | (12,296) | |||||
| Real estate owned, net | 255,213 | 224,386 | |||||
| In-place lease intangibles, net | 8,913 | 10,687 | |||||
| Above-market lease intangibles, net | 1,368 | 1,685 | |||||
| Leasing commissions, net | 2,536 | 2,748 | |||||
| Other assets, net | 10,829 | 9,555 | |||||
| Total assets | 299,643 | 267,079 | |||||
| Mortgage loans payable, net | 59,950 | 30,838 | |||||
| Below-market lease intangibles, net | 1,345 | 1,763 | |||||
| Other liabilities | 6,794 | 8,453 | |||||
| Total liabilities | 68,089 | 41,054 | |||||
| Cash escrowed | 2,400 | 2,400 | 3,700 | ||||
| Interest expense | 600 | $ 600 | 1,900 | $ 1,900 | |||
| Accrued interest payable | $ 200 | $ 200 | $ 200 | ||||
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