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Loans - Amortized Cost of Collateral-dependent Loans by Class (Details) - USD ($) $ in Thousands | Jun. 30, 2025 | Mar. 31, 2025 | Dec. 31, 2024 | Jun. 30, 2024 | Mar. 31, 2024 | Dec. 31, 2023
--- | --- | --- | --- | --- | --- | ---
Financing Receivable, Past Due [Line Items] |  |  |  |  |  |
Loans | $ 4,164,367 |  | $ 4,038,825 |  |  |
Allowance for Credit Losses | 61,157 | $ 60,035 | 59,379 | $ 56,241 | $ 56,313 | $ 54,658
Accrued interest excluded from total | 14,006 |  | 13,461 |  |  |
Real Estate |  |  |  |  |  |
Financing Receivable, Past Due [Line Items] |  |  |  |  |  |
Loans | 23,405 |  | 6,539 |  |  |
Accrued interest excluded from total | 91 |  | 5 |  |  |
Other |  |  |  |  |  |
Financing Receivable, Past Due [Line Items] |  |  |  |  |  |
Loans | 11,022 |  | 5,611 |  |  |
Accrued interest excluded from total | 54 |  | 34 |  |  |
Allowance for Credit Losses |  |  |  |  |  |
Financing Receivable, Past Due [Line Items] |  |  |  |  |  |
Allowance for Credit Losses | 4,606 |  | 2,300 |  |  |
Commercial |  |  |  |  |  |
Financing Receivable, Past Due [Line Items] |  |  |  |  |  |
Loans | 2,068,081 |  | 1,937,364 |  |  |
Allowance for Credit Losses | 25,890 | 24,297 | 22,872 | 18,979 | 18,982 | 16,724
Accrued interest excluded from total | 6,772 |  | 6,496 |  |  |
Commercial | Commercial and industrial |  |  |  |  |  |
Financing Receivable, Past Due [Line Items] |  |  |  |  |  |
Loans | 1,101,053 |  | 1,001,329 |  |  |
Accrued interest excluded from total | 3,559 |  | 3,310 |  |  |
Commercial | Commercial and industrial | Real Estate |  |  |  |  |  |
Financing Receivable, Past Due [Line Items] |  |  |  |  |  |
Loans | 694 |  | 686 |  |  |
Commercial | Commercial and industrial | Other |  |  |  |  |  |
Financing Receivable, Past Due [Line Items] |  |  |  |  |  |
Loans | 10,077 |  | 5,166 |  |  |
Commercial | Commercial and industrial | Allowance for Credit Losses |  |  |  |  |  |
Financing Receivable, Past Due [Line Items] |  |  |  |  |  |
Allowance for Credit Losses | 930 |  | 1,647 |  |  |
Commercial | Commercial real estate |  |  |  |  |  |
Financing Receivable, Past Due [Line Items] |  |  |  |  |  |
Loans | 967,028 |  | 936,035 |  |  |
Accrued interest excluded from total | 3,213 |  | 3,186 |  |  |
Commercial | Commercial real estate | Real Estate |  |  |  |  |  |
Financing Receivable, Past Due [Line Items] |  |  |  |  |  |
Loans | 16,242 |  | 817 |  |  |
Commercial | Commercial real estate | Other |  |  |  |  |  |
Financing Receivable, Past Due [Line Items] |  |  |  |  |  |
Loans | 0 |  | 0 |  |  |
Commercial | Commercial real estate | Allowance for Credit Losses |  |  |  |  |  |
Financing Receivable, Past Due [Line Items] |  |  |  |  |  |
Allowance for Credit Losses | 2,817 |  | 3 |  |  |
Mortgage |  |  |  |  |  |
Financing Receivable, Past Due [Line Items] |  |  |  |  |  |
Loans | 1,528,360 |  | 1,516,726 |  |  |
Allowance for Credit Losses | 20,752 | 20,036 | 22,317 | 20,731 | 20,903 | 21,386
Accrued interest excluded from total | 5,619 |  | 5,357 |  |  |
Mortgage | 1-4 family owner occupied - jumbo |  |  |  |  |  |
Financing Receivable, Past Due [Line Items] |  |  |  |  |  |
Loans | 886,296 |  | 875,551 |  |  |
Accrued interest excluded from total | 2,751 |  | 2,520 |  |  |
Mortgage | 1-4 family owner occupied - jumbo | Real Estate |  |  |  |  |  |
Financing Receivable, Past Due [Line Items] |  |  |  |  |  |
Loans | 2,140 |  | 1,480 |  |  |
Mortgage | 1-4 family owner occupied - jumbo | Other |  |  |  |  |  |
Financing Receivable, Past Due [Line Items] |  |  |  |  |  |
Loans | 0 |  | 0 |  |  |
Mortgage | 1-4 family owner occupied - jumbo | Allowance for Credit Losses |  |  |  |  |  |
Financing Receivable, Past Due [Line Items] |  |  |  |  |  |
Allowance for Credit Losses | 0 |  | 0 |  |  |
Mortgage | 1-4 family owner occupied - non-jumbo |  |  |  |  |  |
Financing Receivable, Past Due [Line Items] |  |  |  |  |  |
Loans | 296,990 |  | 299,142 |  |  |
Accrued interest excluded from total | 1,155 |  | 1,160 |  |  |
Mortgage | 1-4 family owner occupied - non-jumbo | Real Estate |  |  |  |  |  |
Financing Receivable, Past Due [Line Items] |  |  |  |  |  |
Loans | 2,431 |  | 2,903 |  |  |
Mortgage | 1-4 family owner occupied - non-jumbo | Other |  |  |  |  |  |
Financing Receivable, Past Due [Line Items] |  |  |  |  |  |
Loans | 0 |  | 0 |  |  |
Mortgage | 1-4 family owner occupied - non-jumbo | Allowance for Credit Losses |  |  |  |  |  |
Financing Receivable, Past Due [Line Items] |  |  |  |  |  |
Allowance for Credit Losses | 332 |  | 347 |  |  |
Mortgage | 1-4 family non-owner occupied |  |  |  |  |  |
Financing Receivable, Past Due [Line Items] |  |  |  |  |  |
Loans | 169,143 |  | 176,950 |  |  |
Accrued interest excluded from total | 666 |  | 680 |  |  |
Mortgage | 1-4 family non-owner occupied | Real Estate |  |  |  |  |  |
Financing Receivable, Past Due [Line Items] |  |  |  |  |  |
Loans | 809 |  | 0 |  |  |
Mortgage | 1-4 family non-owner occupied | Other |  |  |  |  |  |
Financing Receivable, Past Due [Line Items] |  |  |  |  |  |
Loans | 0 |  | 0 |  |  |
Mortgage | 1-4 family non-owner occupied | Allowance for Credit Losses |  |  |  |  |  |
Financing Receivable, Past Due [Line Items] |  |  |  |  |  |
Allowance for Credit Losses | 34 |  | 0 |  |  |
Mortgage | 1-4 family - 2nd lien |  |  |  |  |  |
Financing Receivable, Past Due [Line Items] |  |  |  |  |  |
Loans | 147,621 |  | 133,947 |  |  |
Accrued interest excluded from total | 904 |  | 846 |  |  |
Mortgage | 1-4 family - 2nd lien | Real Estate |  |  |  |  |  |
Financing Receivable, Past Due [Line Items] |  |  |  |  |  |
Loans | 1,032 |  | 510 |  |  |
Mortgage | 1-4 family - 2nd lien | Other |  |  |  |  |  |
Financing Receivable, Past Due [Line Items] |  |  |  |  |  |
Loans | 0 |  | 0 |  |  |
Mortgage | 1-4 family - 2nd lien | Allowance for Credit Losses |  |  |  |  |  |
Financing Receivable, Past Due [Line Items] |  |  |  |  |  |
Allowance for Credit Losses | 107 |  | 94 |  |  |
Mortgage | Resort lending |  |  |  |  |  |
Financing Receivable, Past Due [Line Items] |  |  |  |  |  |
Loans | 28,310 |  | 31,136 |  |  |
Accrued interest excluded from total | 143 |  | 151 |  |  |
Mortgage | Resort lending | Real Estate |  |  |  |  |  |
Financing Receivable, Past Due [Line Items] |  |  |  |  |  |
Loans | 57 |  | 143 |  |  |
Mortgage | Resort lending | Other |  |  |  |  |  |
Financing Receivable, Past Due [Line Items] |  |  |  |  |  |
Loans | 0 |  | 0 |  |  |
Mortgage | Resort lending | Allowance for Credit Losses |  |  |  |  |  |
Financing Receivable, Past Due [Line Items] |  |  |  |  |  |
Allowance for Credit Losses | 20 |  | 51 |  |  |
Installment |  |  |  |  |  |
Financing Receivable, Past Due [Line Items] |  |  |  |  |  |
Loans | 567,926 |  | 584,735 |  |  |
Allowance for Credit Losses | 3,015 | $ 2,887 | 3,040 | $ 3,901 | $ 3,836 | $ 4,126
Accrued interest excluded from total | 1,615 |  | 1,608 |  |  |
Installment | Boat lending |  |  |  |  |  |
Financing Receivable, Past Due [Line Items] |  |  |  |  |  |
Loans | 271,595 |  | 264,341 |  |  |
Accrued interest excluded from total | 797 |  | 736 |  |  |
Installment | Boat lending | Real Estate |  |  |  |  |  |
Financing Receivable, Past Due [Line Items] |  |  |  |  |  |
Loans | 0 |  | 0 |  |  |
Installment | Boat lending | Other |  |  |  |  |  |
Financing Receivable, Past Due [Line Items] |  |  |  |  |  |
Loans | 715 |  | 87 |  |  |
Installment | Boat lending | Allowance for Credit Losses |  |  |  |  |  |
Financing Receivable, Past Due [Line Items] |  |  |  |  |  |
Allowance for Credit Losses | 284 |  | 31 |  |  |
Installment | Recreational vehicle lending |  |  |  |  |  |
Financing Receivable, Past Due [Line Items] |  |  |  |  |  |
Loans | 206,045 |  | 224,537 |  |  |
Accrued interest excluded from total | 546 |  | 576 |  |  |
Installment | Recreational vehicle lending | Real Estate |  |  |  |  |  |
Financing Receivable, Past Due [Line Items] |  |  |  |  |  |
Loans | 0 |  | 0 |  |  |
Installment | Recreational vehicle lending | Other |  |  |  |  |  |
Financing Receivable, Past Due [Line Items] |  |  |  |  |  |
Loans | 194 |  | 266 |  |  |
Installment | Recreational vehicle lending | Allowance for Credit Losses |  |  |  |  |  |
Financing Receivable, Past Due [Line Items] |  |  |  |  |  |
Allowance for Credit Losses | 69 |  | 94 |  |  |
Installment | Other |  |  |  |  |  |
Financing Receivable, Past Due [Line Items] |  |  |  |  |  |
Loans | 90,286 |  | 95,857 |  |  |
Accrued interest excluded from total | 272 |  | 296 |  |  |
Installment | Other | Real Estate |  |  |  |  |  |
Financing Receivable, Past Due [Line Items] |  |  |  |  |  |
Loans | 0 |  | 0 |  |  |
Installment | Other | Other |  |  |  |  |  |
Financing Receivable, Past Due [Line Items] |  |  |  |  |  |
Loans | 36 |  | 92 |  |  |
Installment | Other | Allowance for Credit Losses |  |  |  |  |  |
Financing Receivable, Past Due [Line Items] |  |  |  |  |  |
Allowance for Credit Losses | $ 13 |  | $ 33 |  |  |

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