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v3.25.2

Business Combinations - Additional Information (Details) |  | 3 Months Ended | 6 Months Ended
--- | --- | --- | ---
Mar. 01, 2025 USD ($) Loan shares | Jun. 30, 2025 USD ($) | Mar. 31, 2025 USD ($) | Jun. 30, 2024 USD ($) | Jun. 30, 2025 USD ($) | Jun. 30, 2024 USD ($)
Business Acquisition [Line Items] |  |  |  |  |  |
Acquisition related expense |  |  |  |  | $ 12,000,000 |
Provision for credit losses on acquired loans |  |  | $ 9,500,000 |  |  |
Intangible amortization |  | $ 1,732,000 |  | $ 203,000 | 2,412,000 | $ 406,000
Fair value on acquired loans |  | 1,600,000 |  |  | 1,600,000 |
Business acquisitions adjustment to net income loss after tax |  |  |  | 649,000 | $ 433,000 | 1,300,000
Fair value marks on acquired loans, which increased net interest income |  |  |  | $ 2,400,000 |  | $ 4,800,000
Fentura Financial, Inc. [Member] |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |
Business acquisition description |  |  |  |  | On March 1, 2025, ChoiceOne completed the Merger, in an all stock transaction, of Fentura, the former parent company of The State Bank, with and into ChoiceOne, with ChoiceOne surviving the Merger. |
Reason for business combination |  |  |  |  | The primary reason for the Merger was to expand ChoiceOne's market presence and enhance its financial strength by integrating Fentura's substantial customer base. |
Number of branch offices | Loan | 20 |  |  |  |  |
Number of loan production offices | Loan | 1 |  |  |  |  |
Total assets | $ 1,751,629,000 |  |  |  |  |
Total loans | 1,400,000,000 |  |  |  |  |
Total deposits | $ 1,431,881,000 |  |  |  |  |
Number of shares issued (in shares) | shares | 6,070,836 |  |  |  |  |
Consideration | $ 192,992,000 |  |  |  |  |
Acquisition related expense |  | $ 132,000 |  |  | $ 13,900,000 |

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- Definition Amount of increase in allowance for credit loss on financing receivable from purchase of loan. Excludes financing receivable purchased with credit deterioration, loan acquired through business combination or acquisition, and net investment in lease. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 13 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479319/326-20-50-13 + Details
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