Loans - Additional Information (Details) - USD ($) |
3 Months Ended | 6 Months Ended | 12 Months Ended | ||
|---|---|---|---|---|---|
Jun. 30, 2026 |
Jun. 30, 2025 |
Jun. 30, 2026 |
Jun. 30, 2025 |
Dec. 31, 2025 |
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| Accounts, Notes, Loans and Financing Receivable [Line Items] | |||||
| Loans greater than 90 days past due and still accruing | $ 0 | $ 0 | $ 0 | ||
| Accrued interest reversed on non-accrual loans | 0 | $ 0 | 0 | $ 0 | |
| Additional funds committed to be advanced in connection with individually evaluated loans | 0 | 0 | |||
| Loan modifications to borrowers experiencing financial difficulty | $ 0 | 0 | |||
| Other Loans | |||||
| Accounts, Notes, Loans and Financing Receivable [Line Items] | |||||
| Loans serviced for others | $ 1,700,000,000 | $ 1,600,000,000 | |||
| X | ||||||||||
- Definition Loans serviced for others. No definition available.
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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/2009/role/commonPracticeRef
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| X | ||||||||||
- Definition Amortized cost excluding accrued interest, of financing receivable modified during period for debtor experiencing financial difficulty. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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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 | ||||||||||
- Details
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