Loans and Leases Held for Investment and Credit Quality - Narrative (Details) - USD ($) |
3 Months Ended | 6 Months Ended | |||
|---|---|---|---|---|---|
Jun. 30, 2026 |
Jun. 30, 2025 |
Jun. 30, 2026 |
Jun. 30, 2025 |
Dec. 31, 2025 |
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| Receivables [Abstract] | |||||
| Loans greater than 90 days or more past due still accruing | $ 0 | $ 0 | $ 0 | ||
| Interest income recognized on nonaccrual loans and leases | 0 | $ 0 | 0 | $ 0 | |
| Accrued interest receivable on loans | 85,000,000.0 | 85,000,000.0 | $ 85,000,000.0 | ||
| Commitments to lend | 700,000 | $ 28,000 | 700,000 | 28,000 | |
| Loans modified and subsequently defaulted | $ 7,446,000 | $ 13,498,000 | $ 0 | ||
| X | ||||||||||
- Definition Amount, after allowance for credit loss, of accrued interest on financing receivable. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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| X | ||||||||||
- Definition Amortized cost of financing receivable with payment default in current period and modified within previous 12 months preceding payment default for debtor experiencing financial difficulty. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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| X | ||||||||||
- Definition Amount of interest income on financing receivable on nonaccrual status. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- Definition Amortized cost of financing receivable 90 days or more past due and still accruing. Excludes net investment in lease. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- Definition Amount of commitment to lend additional funds to debtor experiencing financial difficulty for which creditor has modified terms of financing receivable. Reference 1: http://fasb.org/us-gaap/role/ref/otherTransitionRef
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| X | ||||||||||
- References No definition available.
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