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Equity, Other Comprehensive Income and Earnings Per Share - Reclassification of Accumulated Other Comprehensive Loss, Net (Details) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2025 | Sep. 30, 2024 | Sep. 30, 2025 | Sep. 30, 2024
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items] |  |  |  |
Noninterest expenses - Other | $ 1,808 | $ 1,725 | $ 5,686 | $ 5,156
Interest expense - Trust preferred capital notes | 362 | 373 | 1,070 | 965
Income tax expense | 1,715 | 1,250 | 4,703 | 3,010
Reclassifications from accumulated other comprehensive loss into net income |  |  |  |
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items] |  |  |  |
Total reclassifications into net income | 5 | (16) | 1 | (28)
Defined benefit plan: | Reclassifications from accumulated other comprehensive loss into net income |  |  |  |
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items] |  |  |  |
Total reclassifications into net income | 4 | (16) | 13 | (32)
Reclassification of recognized net actuarial losses into net income | Reclassifications from accumulated other comprehensive loss into net income |  |  |  |
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items] |  |  |  |
Noninterest expenses - Other | (11) | (38) | (34) | (92)
Accumulated Defined Benefit Plans Adjustment, Net Prior Service Attributable to Parent [Member] | Reclassifications from accumulated other comprehensive loss into net income |  |  |  |
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items] |  |  |  |
Noninterest expenses - Other | 17 | 18 | 51 | 52
Related income tax effects | Reclassifications from accumulated other comprehensive loss into net income |  |  |  |
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items] |  |  |  |
Income tax expense | (2) | $ 4 | (4) | 8
Cash flow hedges: | Reclassifications from accumulated other comprehensive loss into net income |  |  |  |
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items] |  |  |  |
Total reclassifications into net income | 1 |  | (12) | 4
Amortization of hedging gains into net income | Reclassifications from accumulated other comprehensive loss into net income |  |  |  |
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items] |  |  |  |
Interest expense - Trust preferred capital notes | $ 1 |  | (16) | 5
Related income tax effects | Reclassifications from accumulated other comprehensive loss into net income |  |  |  |
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items] |  |  |  |
Income tax expense |  |  | $ 4 | $ (1)

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