Loan Portfolio - Summary of Loans Receivable Held-for-investment With Specific CECL Reserves (Parenthetical) (Details) - USD ($) $ in Thousands |
1 Months Ended | 3 Months Ended | 9 Months Ended | |||||
|---|---|---|---|---|---|---|---|---|
Oct. 31, 2026 |
Jul. 31, 2026 |
Dec. 31, 2026 |
Sep. 30, 2026 |
[1] | Sep. 30, 2025 |
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| Schedule of Loans Receivable Allowance for Credit Losses [Line Items] | ||||||||
| Loan gross sales price | $ 260,325 | $ 304,004 | ||||||
| CALIFORNIA | Office | ||||||||
| Schedule of Loans Receivable Allowance for Credit Losses [Line Items] | ||||||||
| Loan gross sales price | $ 70,700 | |||||||
| Subsequent Event | CALIFORNIA | Multifamily | ||||||||
| Schedule of Loans Receivable Allowance for Credit Losses [Line Items] | ||||||||
| Loan gross sales price | $ 245,000 | |||||||
| Subsequent Event | CALIFORNIA | Office | ||||||||
| Schedule of Loans Receivable Allowance for Credit Losses [Line Items] | ||||||||
| Loan gross sales price | $ 65,700 | |||||||
| Scenario Forecast | CALIFORNIA | Multifamily | ||||||||
| Schedule of Loans Receivable Allowance for Credit Losses [Line Items] | ||||||||
| Incremental loss | $ 5,000 | |||||||
| Scenario Forecast | CALIFORNIA | Office | ||||||||
| Schedule of Loans Receivable Allowance for Credit Losses [Line Items] | ||||||||
| Incremental loss | $ 5,400 | |||||||
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