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Note 21 - Business Acquisition (Tables) | 12 Months Ended
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Dec. 31, 2022
Notes Tables |
Schedule of Business Acquisitions, by Acquisition [Table Text Block] |
(In Thousands, Except Per Share Data) |  |  |  |  |  |  |  |
Purchase Price Consideration in Common Stock |  |  |  |  |  |  |  |
Middlefield Banc Corp. shares issued |  |  | 2,561,513 |  |  |  |  |
Value assigned to Middlefield Banc Corp. common shares |  | $ | 28.60 |  |  |  |  |
Purchase price assigned to Liberty common shares exchanged for |  |  |  |  |  |  | 73,259 |
Purchase Price Consideration in Cash |  |  |  |  |  |  |  |
Cash paid in lieu of fractional shares |  |  |  |  |  |  | 6 |
Total Purchase Price |  |  |  |  |  |  | 73,265 |
Net Assets Acquired: |  |  |  |  |  |  |  |
Liberty shareholders equity |  | $ | 49,041 |  |  |  |  |
Adjustments to reflect assets acquired at fair value: |  |  |  |  |  |  |  |
Loans |  |  |  |  |  |  |  |
Allowance for loan loss |  |  | 4,497 |  |  |  |  |
Loans - interest rate |  |  | 646 |  |  |  |  |
Loans - general credit |  |  | (3,433 | ) |  |  |  |
Core deposit intangible |  |  | 6,669 |  |  |  |  |
Investments |  |  | (1,461 | ) |  |  |  |
Mortgage servicing rights |  |  | 830 |  |  |  |  |
Other |  |  | 94 |  |  |  |  |
Adjustments to reflect liabilities acquired at fair value: |  |  |  |  |  |  |  |
Time deposits |  |  | (228 | ) |  |  |  |
Deferred taxes |  |  | (54 | ) |  |  |  |
Total net assets acquired |  |  |  |  |  |  | 56,601 |
Goodwill resulting from merger |  |  |  |  |  | $ | 16,664 |
Schedule of Recognized Identified Assets Acquired and Liabilities Assumed [Table Text Block] |
(In Thousands) |  |  |  |  |  |  |  |
Total purchase price |  |  |  |  |  | $ | 73,265 |
Assets (liabilities) acquired: |  |  |  |  |  |  |  |
Net assets acquired: |  |  |  |  |  |  |  |
Cash |  |  | 18,406 |  |  |  |  |
Loans and loans held for sale |  |  | 312,618 |  |  |  |  |
Investments |  |  | 57,907 |  |  |  |  |
Premises and equipment, net |  |  | 6,087 |  |  |  |  |
Accrued interest receivable |  |  | 1,563 |  |  |  |  |
Bank-owned life insurance |  |  | 16,290 |  |  |  |  |
Core deposit intangible |  |  | 6,670 |  |  |  |  |
Mortgage servicing rights |  |  | 1,680 |  |  |  |  |
Other assets |  |  | 3,111 |  |  |  |  |
Time deposits |  |  | (69,278 | ) |  |  |  |
Non-time deposits |  |  | (294,684 | ) |  |  |  |
Accrued interest payable |  |  | (246 | ) |  |  |  |
Other liabilities |  |  | (3,523 | ) |  |  |  |
Total net assets acquired |  |  |  |  |  |  | 56,601 |
Goodwill resulting from the Liberty merger |  |  |  |  |  | $ | 16,664 |
Schedule of Finite-Lived Intangible Assets, Future Amortization Expense [Table Text Block] |
(Dollar amounts in thousands) |
Remaining 2023 |  | $ | 1,059 |
2024 |  |  | 1,031 |
2025 |  |  | 998 |
2026 |  |  | 968 |
2027 |  |  | 691 |
Thereafter |  |  | 2,954 |
Total |  | $ | 7,701 |
Business Acquisition, Pro Forma Information [Table Text Block] |
|  | Actual from Acquisition Date Through December 31, 2022 |
|  | (in thousands) |
Net interest income |  | $ | 1,366 |
Noninterest income |  | $ | 117 |
Net income |  | $ | 867 |
|  | Pro Formas |
|  | Twelve-month period ended December 31, |
|  | 2022 |  |  | 2021 |
|  | (in thousands, except per share data) |
Net interest income |  | $ | 63,277 |  |  | $ | 63,770 |
Noninterest income |  |  | 10,151 |  |  |  | 9,779 |
Net income |  | $ | 21,142 |  |  | $ | 16,297 |
Pro forma earnings per share: |  |  |  |  |  |  |  |
Basic |  | $ | 3.51 |  |  | $ | 1.86 |
Diluted |  | $ | 3.50 |  |  | $ | 1.86 |
Liberty Bancshares Inc [Member] |
Notes Tables |
Schedule of Finite-Lived Intangible Assets, Future Amortization Expense [Table Text Block] |
(In Thousands) |  |  |  |
Remaining 2023 |  | $ | 763 |
2024 |  |  | 750 |
2025 |  |  | 734 |
2026 |  |  | 714 |
2027 |  |  | 691 |
Thereafter |  |  | 2,954 |
|  | $ | 6,606 |

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