Note 13 - Business Combinations - Business Combination, Pro Forma Information (Details) - Eastern Michigan Bank [Member] - USD ($) $ / shares in Units, $ in Thousands |
3 Months Ended | 6 Months Ended | ||
|---|---|---|---|---|
Jun. 30, 2026 |
Jun. 30, 2025 |
Jun. 30, 2026 |
Jun. 30, 2025 |
|
| Net interest income | $ 57,143 | $ 54,770 | $ 112,928 | $ 108,382 |
| Provision for credit losses | (1,800) | 1,349 | (3,600) | 3,318 |
| Noninterest income | 11,498 | 11,968 | 23,189 | 21,149 |
| Noninterest expense | 39,109 | 37,598 | 80,744 | 72,953 |
| Income before income taxes | 31,332 | 27,791 | 58,973 | 53,260 |
| Income tax expense | 5,222 | 3,925 | 9,745 | 8,918 |
| Net income | $ 26,110 | $ 23,866 | $ 49,228 | $ 44,342 |
| Earnings per share (in dollars per share) | $ 1.51 | $ 1.39 | $ 2.85 | $ 2.59 |
| X | ||||||||||
- Definition Amount, before tax, of pro forma income (loss) of combined entity as if acquisition date of business combination occurred as of beginning of period. No definition available.
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| X | ||||||||||
- Definition Amount of pro forma income tax expense of combined entity as if acquisition date of business combination occurred as of beginning of period. No definition available.
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| X | ||||||||||
- Definition Amount of pro forma net interest income of combined entity as if acquisition date of business combination occurred as of beginning of period. No definition available.
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| X | ||||||||||
- Definition Amount of pro forma noninterest expense of combined entity as if acquisition date of business combination occurred as of beginning of period. No definition available.
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| X | ||||||||||
- Definition Amount of pro forma noninterest income of combined entity as if acquisition date of business combination occurred as of beginning of period. No definition available.
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| X | ||||||||||
- Definition Amount of pro forma provision for credit losses of combined entity as if acquisition date of business combination occurred as of beginning of period. No definition available.
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| X | ||||||||||
- Definition Per basic share amount, after tax, of pro forma income (loss) of combined entity as if acquisition date of business combination occurred as of beginning of period. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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| X | ||||||||||
- Definition Amount, after tax, of pro forma income (loss) of combined entity as if acquisition date of business combination occurred as of beginning of period. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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| X | ||||||||||
- Details
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