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Investment Securities - Narrative (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
Marketable Securities [Line Items] |  |  |  |  |
Securities available-for-sale | $ 184,318,000 |  | $ 184,318,000 |  | $ 160,009,000
Accrued interest on securities available-for-sale | 705,000 |  | 705,000 |  | 599,000
Proceeds from sales and calls of securities available-for-sale | 0 | $ 0 | 0 | $ 0 |
Allowance for credit loss on available-for-sale securities | 0 |  | $ 0 |  | $ 0
Debt Securities, Available-for-Sale, Excluding Accrued Interest | Investment Securities Concentration Risk | Issued By US Government Agency and US Government Sponsored Enterprise |  |  |  |  |
Marketable Securities [Line Items] |  |  |  |  |
Concentration risk percentage |  |  | 96.10% |  | 95.50%
Asset Pledged as Collateral |  |  |  |  |
Marketable Securities [Line Items] |  |  |  |  |
Securities available-for-sale | $ 140,400,000 |  | $ 140,400,000 |  | $ 75,700,000

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