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Loans and Allowance for Credit Losses - Allowance for Credit Losses and Balances in Loan Portfolio (Details) - USD ($) |  |  | 3 Months Ended | 6 Months Ended |
--- | --- | --- | --- | --- | ---
Jun. 30, 2025 | Mar. 01, 2025 | Jun. 30, 2025 | Jun. 30, 2024 | Jun. 30, 2025 | Jun. 30, 2024 | Dec. 31, 2024
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |  |
Beginning balance |  |  | $ 34,567,000 | $ 16,037,000 | $ 16,552,000 | $ 15,685,000 |
Acquisition related allowance for credit loss (PCD) | $ 4,530,000 | $ 4,924,000 |  |  | 4,924,000 |  |
Charge-offs |  |  | (507,000) | (328,000) | (662,000) | (452,000) |
Recoveries |  |  | 89,000 | 171,000 | 171,000 | 244,000 |
Provision |  |  | 650,000 | 272,000 | 13,813,000 | 675,000 |
Ending balance | 34,798,000 |  | 34,798,000 | 16,152,000 | 34,798,000 | 16,152,000 |
Individually evaluated for credit loss | 3,616,000 |  | 3,616,000 | 87,000 | 3,616,000 | 87,000 |
Collectively evaluated for credit loss | 31,182,000 |  | 31,182,000 | 16,065,000 | 31,182,000 | 16,065,000 |
Individually evaluated for impairment | 15,304,000 |  | 15,304,000 |  | 15,304,000 |  |
Collectively evaluated for impairment | 2,905,488,000 |  | 2,905,488,000 |  | 2,905,488,000 |  |
Loans | 2,920,792,000 |  | 2,920,792,000 |  | 2,920,792,000 |  | $ 1,545,640,000
Agricultural [Member] |  |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |  |
Beginning balance |  |  | 220,000 | 97,000 | 90,000 | 94,000 |
Acquisition related allowance for credit loss (PCD) | 2,000 | 2,000 |  |  | 2,000 |  |
Charge-offs |  |  | 0 | 0 | 0 | 0 |
Recoveries |  |  | 0 | 0 | 0 | 0 |
Provision |  |  | (1,000) | 15,000 | 127,000 | 18,000 |
Ending balance | 219,000 |  | 219,000 | 112,000 | 219,000 | 112,000 |
Individually evaluated for credit loss | 0 |  | 0 | 1,000 | 0 | 1,000 |
Collectively evaluated for credit loss | 219,000 |  | 219,000 | 111,000 | 219,000 | 111,000 |
Individually evaluated for impairment | 6,000 |  | 6,000 |  | 6,000 |  |
Collectively evaluated for impairment | 47,267,000 |  | 47,267,000 |  | 47,267,000 |  |
Loans | 47,273,000 |  | 47,273,000 |  | 47,273,000 |  | 48,221,000
Commercial and Industrial [Member] |  |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |  |
Beginning balance |  |  | 5,503,000 | 2,243,000 | 2,260,000 | 2,216,000 |
Acquisition related allowance for credit loss (PCD) | 2,953,000 | 2,960,000 |  |  | 2,963,000 |  |
Charge-offs |  |  | (10,000) | 0 | (10,000) | (1,000) |
Recoveries |  |  | 4,000 | 2,000 | 6,000 | 11,000 |
Provision |  |  | (257,000) | (84,000) | 21,000 | (65,000) |
Ending balance | 5,240,000 |  | 5,240,000 | 2,161,000 | 5,240,000 | 2,161,000 |
Individually evaluated for credit loss | 2,920,000 |  | 2,920,000 | 7,000 | 2,920,000 | 7,000 |
Collectively evaluated for credit loss | 2,320,000 |  | 2,320,000 | 2,154,000 | 2,320,000 | 2,154,000 |
Individually evaluated for impairment | 8,287,000 |  | 8,287,000 |  | 8,287,000 |  |
Collectively evaluated for impairment | 343,080,000 |  | 343,080,000 |  | 343,080,000 |  |
Loans | 351,367,000 |  | 351,367,000 |  | 351,367,000 |  | 228,256,000
Consumer Portfolio Segment [Member] |  |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |  |
Beginning balance |  |  | 703,000 | 918,000 | 733,000 | 823,000 |
Acquisition related allowance for credit loss (PCD) | 0 | $ 0 |  |  | 0 |  |
Charge-offs |  |  | (259,000) | (328,000) | (392,000) | (451,000) |
Recoveries |  |  | 82,000 | 166,000 | 142,000 | 226,000 |
Provision |  |  | 247,000 | 39,000 | 289,000 | 197,000 |
Ending balance | 773,000 |  | 773,000 | 795,000 | 773,000 | 795,000 |
Individually evaluated for credit loss | 0 |  | 0 | 0 | 0 | 0 |
Collectively evaluated for credit loss | 773,000 |  | 773,000 | 795,000 | 773,000 | 795,000 |
Individually evaluated for impairment | 0 |  | 0 |  | 0 |  |
Collectively evaluated for impairment | 29,741,000 |  | 29,741,000 |  | 29,741,000 |  |
Loans | 29,741,000 |  | 29,741,000 |  | 29,741,000 |  | 29,412,000
Commercial Real Estate Portfolio Segment [Member] |  |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |  |
Beginning balance |  |  | 20,727,000 | 9,167,000 | 9,460,000 | 8,820,000 |
Acquisition related allowance for credit loss (PCD) |  |  |  |  | 1,791,000 |  |
Charge-offs |  |  | (208,000) | 0 | (208,000) | 0 |
Recoveries |  |  | 0 | 0 | 0 | 0 |
Provision |  |  | (2,208,000) | 194,000 | 7,268,000 | 541,000 |
Ending balance | 18,311,000 |  | 18,311,000 | 9,361,000 | 18,311,000 | 9,361,000 |
Individually evaluated for credit loss | 637,000 |  | 637,000 | 1,000 | 637,000 | 1,000 |
Collectively evaluated for credit loss | 17,673,000 |  | 17,673,000 | 9,360,000 | 17,673,000 | 9,360,000 |
Individually evaluated for impairment | 3,776,000 |  | 3,776,000 |  | 3,776,000 |  |
Collectively evaluated for impairment | 1,739,765,000 |  | 1,739,765,000 |  | 1,739,765,000 |  |
Loans | 1,743,541,000 |  | 1,743,541,000 |  | 1,743,541,000 |  | 901,130,000
Construction Real Estate [Member] |  |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |  |
Beginning balance |  |  | 90,000 | 49,000 | 59,000 | 58,000 |
Acquisition related allowance for credit loss (PCD) |  |  |  |  | 0 |  |
Charge-offs |  |  | 0 | 0 | 0 | 0 |
Recoveries |  |  | 0 | 0 | 0 | 0 |
Provision |  |  | 0 | 0 | 31,000 | (9,000) |
Ending balance | 90,000 |  | 90,000 | 49,000 | 90,000 | 49,000 |
Individually evaluated for credit loss | 2,000 |  | 2,000 | 0 | 2,000 | 0 |
Collectively evaluated for credit loss | 88,000 |  | 88,000 | 49,000 | 88,000 | 49,000 |
Individually evaluated for impairment | 229,000 |  | 229,000 |  | 229,000 |  |
Collectively evaluated for impairment | 21,279,000 |  | 21,279,000 |  | 21,279,000 |  |
Loans | 21,508,000 |  | 21,508,000 |  | 21,508,000 |  | 17,042,000
Residential Portfolio Segment [Member] |  |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |  |
Beginning balance |  |  | 7,320,000 | 3,513,000 | 3,890,000 | 3,644,000 |
Acquisition related allowance for credit loss (PCD) |  |  |  |  | 168,000 |  |
Charge-offs |  |  | (30,000) | 0 | (52,000) | 0 |
Recoveries |  |  | 3,000 | 3,000 | 23,000 | 7,000 |
Provision |  |  | 2,868,000 | 108,000 | 6,132,000 | (27,000) |
Ending balance | 10,161,000 |  | 10,161,000 | 3,624,000 | 10,161,000 | 3,624,000 |
Individually evaluated for credit loss | 57,000 |  | 57,000 | 78,000 | 57,000 | 78,000 |
Collectively evaluated for credit loss | 10,104,000 |  | 10,104,000 | 3,546,000 | 10,104,000 | 3,546,000 |
Individually evaluated for impairment | 3,006,000 |  | 3,006,000 |  | 3,006,000 |  |
Collectively evaluated for impairment | 721,323,000 |  | 721,323,000 |  | 721,323,000 |  |
Loans | 724,329,000 |  | 724,329,000 |  | 724,329,000 |  | 281,701,000
Loans to other financial institutions [Member] |  |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |  |
Beginning balance |  |  | 4,000 | 50,000 | 60,000 | 30,000 |
Acquisition related allowance for credit loss (PCD) |  |  |  |  | 0 |  |
Charge-offs |  |  | 0 | 0 | 0 | 0 |
Recoveries |  |  | 0 | 0 | 0 | 0 |
Provision |  |  | 1,000 | 0 | (55,000) | 20,000 |
Ending balance | 5,000 |  | 5,000 | 50,000 | 5,000 | 50,000 |
Individually evaluated for credit loss | 0 |  | 0 | 0 | 0 | 0 |
Collectively evaluated for credit loss | 5,000 |  | 5,000 | 50,000 | 5,000 | 50,000 |
Individually evaluated for impairment | 0 |  | 0 |  | 0 |  |
Collectively evaluated for impairment | 3,033,000 |  | 3,033,000 |  | 3,033,000 |  |
Loans | $ 3,033,000 |  | $ 3,033,000 |  | $ 3,033,000 |  | $ 39,878,000
Unallocated Financing Receivables [Member] |  |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |  |
Beginning balance |  |  |  | 0 |  | 0 |
Charge-offs |  |  |  | 0 |  | 0 |
Recoveries |  |  |  | 0 |  | 0 |
Provision |  |  |  | 0 |  | 0 |
Ending balance |  |  |  | 0 |  | 0 |
Individually evaluated for credit loss |  |  |  | 0 |  | 0 |
Collectively evaluated for credit loss |  |  |  | $ 0 |  | $ 0 |

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