Securities - Narrative (Details) |
Jun. 30, 2026
USD ($)
security
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Dec. 31, 2025
USD ($)
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|---|---|---|
| Schedule of Held-to-maturity Securities [Line Items] | ||
| Number of securities in an unrealized loss position | security | 406 | |
| Available for sale, past due | $ 1,219,477,000 | $ 1,186,109,000 |
| Available-for-sale, nonaccrual | 0 | 0 |
| Held to maturity, past due | 10,595,000 | |
| Held-to-maturity securities, nonaccrual status | 0 | 0 |
| Held-to-maturity securities, accrued interest | 6,300,000 | 5,900,000 |
| Total Past Due | ||
| Schedule of Held-to-maturity Securities [Line Items] | ||
| Available for sale, past due | 0 | 0 |
| Held to maturity, past due | $ 0 | $ 0 |
| X | ||||||||||
- Definition Debt Securities, Available-For-Sale, Nonaccrual No definition available.
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| X | ||||||||||
- Definition Amortized cost excluding accrued interest, before allowance for credit loss, of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale). Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- Definition Number of investments in debt securities measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), in unrealized loss position, without allowance for credit loss. Includes beneficial interest in securitized financial asset. Reference 1: http://fasb.org/us-gaap/role/ref/otherTransitionRef
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| X | ||||||||||
- Definition Amount, after allowance for credit loss, of accrued interest on investment in debt security measured at amortized cost (held-to-maturity). Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- Definition Amount excluding accrued interest, before allowance for credit loss, of investment in debt security measured at amortized cost (held-to-maturity). Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- Definition Amount of investment in debt security measured at amortized cost (held-to-maturity) on nonaccrual status. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- Details
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