Loans Receivable, Net - Schedule of Overall Statistics for Loans Receivable Portfolio (Detail) $ in Thousands |
3 Months Ended | 6 Months Ended | 12 Months Ended | |||||||
|---|---|---|---|---|---|---|---|---|---|---|
Mar. 31, 2026 |
Jun. 30, 2026
USD ($)
|
Jun. 30, 2026
USD ($)
loan
|
Jun. 30, 2026
USD ($)
security_loan
|
Jun. 30, 2026
USD ($)
|
Jun. 30, 2025
USD ($)
|
Dec. 31, 2025
USD ($)
|
Dec. 31, 2025
USD ($)
loan
|
Dec. 31, 2025
USD ($)
security_loan
|
Dec. 31, 2025
USD ($)
|
|
| Accounts, Notes, Loans and Financing Receivable [Line Items] | ||||||||||
| Number of loans | 133 | 133 | 131 | 131 | ||||||
| Principal balance | $ 17,409,208 | $ 17,409,208 | $ 17,409,208 | $ 17,409,208 | $ 18,154,768 | $ 18,154,768 | $ 18,154,768 | $ 18,154,768 | ||
| Net book value | 16,936,895 | 16,936,895 | 16,936,895 | 16,936,895 | 17,784,694 | 17,784,694 | 17,784,694 | 17,784,694 | ||
| Unfunded loan commitments | $ 12,610 | $ 12,610 | $ 12,610 | $ 12,610 | $ 11,700 | $ 11,617 | $ 11,617 | $ 11,617 | $ 11,617 | |
| Weighted-average cash coupon (percentage) | 3.13% | 3.13% | 3.13% | 3.13% | 3.19% | 3.19% | 3.19% | 3.19% | ||
| Weighted-average all-in yield (percentage) | 3.35% | 3.39% | ||||||||
| Weighted-average maximum maturity (years) | 2 years 9 months 18 days | 2 years 6 months | ||||||||
| Debt instrument, variable interest rate, type [Extensible Enumeration] | SOFR | SOFR | SOFR | |||||||
| Percentage of loans by principal balance, floating rate | 97.00% | 97.00% | 97.00% | 97.00% | 97.00% | 97.00% | 97.00% | 97.00% | ||
| Percentage of loans by principal balance, fixed rate | 3.00% | 3.00% | 3.00% | 3.00% | ||||||
| Percent of loans subject to prepayment restrictions | 47.00% | 47.00% | 47.00% | 47.00% | 40.00% | 40.00% | 40.00% | 40.00% | ||
| Percent of loans not subject to prepayment restrictions | 53.00% | 53.00% | 53.00% | 53.00% | 60.00% | 60.00% | 60.00% | 60.00% | ||
| Unfunded Loan Commitment | ||||||||||
| Accounts, Notes, Loans and Financing Receivable [Line Items] | ||||||||||
| Number of loans | loan | 53 | |||||||||
| Unfunded loan commitments | $ 1,107,729 | $ 1,107,729 | $ 1,107,729 | $ 1,107,729 | $ 1,185,004 | $ 1,185,004 | $ 1,185,004 | $ 1,185,004 | ||