Loans, Allowance for Credit Losses - Loans, and Credit Quality - Narrative (Details) - USD ($) |
6 Months Ended | |
|---|---|---|
Jun. 30, 2026 |
Dec. 31, 2025 |
|
| Receivables [Abstract] | ||
| Accrued interest on loans | $ 43,000,000 | $ 21,000,000 |
| Nonaccrual credit relationships | 500,000 | |
| Reserve for unfunded commitments | $ 8,400,000 | $ 3,000,000.0 |
| X | ||||||||||
- Definition Material Loans Criteria For ACL-Loans Adequacy Calculation No definition available.
|
| X | ||||||||||
- Definition Amount, after allowance for credit loss, of accrued interest on financing receivable. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
|
| X | ||||||||||
- Definition Amount of expected credit loss for credit exposure on off-balance-sheet commitment, including but not limited to, loan commitment, standby letter of credit, financial guarantee not accounted for as insurance. Excludes off-balance sheet credit exposure accounted for as insurance and instrument accounted for under derivatives and hedging. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
| X | ||||||||||
- References No definition available.
|