Commitments and Contingencies Commitments (Details) $ in Thousands |
Jun. 30, 2026
USD ($)
|
|---|---|
| Lending related commitments [Line Items] | |
| Unused Commitments to Extend Credit | $ 5,554,906 |
| Commitments to fund loans | |
| Lending related commitments [Line Items] | |
| Unused Commitments to Extend Credit | 312,605 |
| Unfunded commitments under lines of credit | |
| Lending related commitments [Line Items] | |
| Unused Commitments to Extend Credit | 5,027,450 |
| Commercial and standby letters of credit | |
| Lending related commitments [Line Items] | |
| Unused Commitments to Extend Credit | $ 214,851 |