Commitments and Contingencies - Additional Information (Detail) - USD ($) $ in Millions |
Jun. 30, 2026 |
Dec. 31, 2014 |
|---|---|---|
| Commitments and Contingencies [Line Items] | ||
| Commitment to purchase alternative investment | $ 50.0 | |
| European Non-Performing Loan Fund, LP | ||
| Commitments and Contingencies [Line Items] | ||
| Funded commitment amount | $ 11.2 |