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Revenue from Contracts with Customers - Schedule of Disaggregation of Revenue by Source (Details) - USD ($) $ in Thousands | 12 Months Ended
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Dec. 31, 2025 | Dec. 31, 2024 | Dec. 31, 2023
Disaggregation of Revenue [Line Items] |  |  |
Total revenue from contracts with customers | $ 265,635 | $ 250,742 | $ 220,443
Total wealth management |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Total revenue from contracts with customers | 147,416 | 146,227 | 130,607
Brokerage and insurance product commissions |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Total revenue from contracts with customers | 18,779 | 22,611 | 18,645
Trust |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Total revenue from contracts with customers | 29,061 | 25,941 | 24,190
Asset management |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Total revenue from contracts with customers | 99,576 | 97,675 | 87,772
Mortgage broker fees |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Total revenue from contracts with customers | 2,759 | 1,925 | 844
Service charges on deposit accounts |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Total revenue from contracts with customers | 79,091 | 65,651 | 55,250
Administrative services |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Total revenue from contracts with customers | 5,300 | 5,336 | 5,599
Card related fees |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Total revenue from contracts with customers | 15,973 | 17,829 | 13,789
Other deposit related fees |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Total revenue from contracts with customers | $ 15,096 | $ 13,774 | $ 14,354

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