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Loans and Allowance for Credit Losses - Loans by Type as Percentage of Portfolio (Details) - USD ($) | 6 Months Ended | 12 Months Ended |  |  |  |
--- | --- | --- | --- | --- | --- | ---
Jun. 30, 2025 | Dec. 31, 2024 | Mar. 31, 2025 | Jun. 30, 2024 | Mar. 31, 2024 | Dec. 31, 2023
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |
Loans | $ 2,920,792,000 | $ 1,545,640,000 |  |  |  |
Allowance for credit loss | $ 34,798,000 | $ 16,552,000 | $ 34,567,000 | $ 16,152,000 | $ 16,037,000 | $ 15,685,000
Percentage of allowance for credit losses | 1.19% | 1.07% |  |  |  |
Loans, net | $ 2,885,994,000 | $ 1,529,088,000 |  |  |  |
Agricultural [Member] |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |
Loans | $ 47,273,000 | $ 48,221,000 |  |  |  |
Percentage of loans | 1.60% | 3.10% |  |  |  |
Percentage of increase decrease of loans | (2.00%) |  |  |  |  |
Allowance for credit loss | $ 219,000 | $ 90,000 | 220,000 | 112,000 | 97,000 | 94,000
Commercial and Industrial [Member] |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |
Loans | $ 351,367,000 | $ 228,256,000 |  |  |  |
Percentage of loans | 12.00% | 14.80% |  |  |  |
Percentage of increase decrease of loans | 53.90% |  |  |  |  |
Allowance for credit loss | $ 5,240,000 | $ 2,260,000 | 5,503,000 | 2,161,000 | 2,243,000 | 2,216,000
Commercial Real Estate Portfolio Segment [Member] |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |
Loans | $ 1,743,541,000 | $ 901,130,000 |  |  |  |
Percentage of loans | 59.70% | 58.30% |  |  |  |
Percentage of increase decrease of loans | 93.50% |  |  |  |  |
Allowance for credit loss | $ 18,311,000 | $ 9,460,000 | 20,727,000 | 9,361,000 | 9,167,000 | 8,820,000
Consumer Portfolio Segment [Member] |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |
Loans | $ 29,741,000 | $ 29,412,000 |  |  |  |
Percentage of loans | 1.00% | 1.90% |  |  |  |
Percentage of increase decrease of loans | 1.10% |  |  |  |  |
Allowance for credit loss | $ 773,000 | $ 733,000 | 703,000 | 795,000 | 918,000 | 823,000
Construction Real Estate [Member] |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |
Loans | $ 21,508,000 | $ 17,042,000 |  |  |  |
Percentage of loans | 0.70% | 1.10% |  |  |  |
Percentage of increase decrease of loans | 26.20% |  |  |  |  |
Allowance for credit loss | $ 90,000 | $ 59,000 | 90,000 | 49,000 | 49,000 | 58,000
Residential Portfolio Segment [Member] |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |
Loans | $ 724,329,000 | $ 281,701,000 |  |  |  |
Percentage of loans | 24.80% | 18.20% |  |  |  |
Percentage of increase decrease of loans | 157.10% |  |  |  |  |
Allowance for credit loss | $ 10,161,000 | $ 3,890,000 | 7,320,000 | 3,624,000 | 3,513,000 | 3,644,000
Loans to other financial institutions [Member] |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |
Loans | $ 3,033,000 | $ 39,878,000 |  |  |  |
Percentage of loans | 0.10% | 2.60% |  |  |  |
Percentage of increase decrease of loans | (92.40%) |  |  |  |  |
Allowance for credit loss | $ 5,000 | $ 60,000 | $ 4,000 | $ 50,000 | $ 50,000 | $ 30,000

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