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Note 2 - Business Combination | 12 Months Ended
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Dec. 31, 2024
Notes to Financial Statements |
Business Combination Disclosure [Text Block] | NOTE 2 – Business Combination On February 24, 2023, the Company’s wholly-owned subsidiary, 1st Security Bank, completed the purchase of seven branches (“Branch Acquisition”) from Columbia State Bank to expand its franchise in Washington and Oregon. The Branch Acquisition included seven retail bank branches located in the communities of Goldendale and White Salmon, Washington and Manzanita, Newport, Ontario, Tillamook, and Waldport, Oregon. In accordance with the Purchase and Assumption Agreement, dated as of November 7, 2022, between Columbia State Bank and 1st Security Bank, the Bank acquired $425.5 million of deposits, a portfolio of performing loans, six owned bank branches, one lease associated with the bank branches and certain other assets of the branches. In consideration of the purchased assets and transferred liabilities, 1st Security Bank paid (a) the unpaid principal balance and accrued interest of $66.6 million for the loans acquired, (b) the fair value, or approximately $6.3 million, for the bank facilities and certain other assets associated with the acquired branches, and (c) a deposit premium of 4.15% for core deposits and 2.5% for public funds on substantially all of the deposits assumed, which equated to approximately $16.4 million. The transaction was settled with Columbia State Bank paying cash of $334.7 million to 1st Security Bank for the difference between the total assets purchased and the total liabilities assumed. The Branch Acquisition was accounted for under the acquisition method of accounting and accordingly, the assets and liabilities were recorded at fair values on February 24, 2023, the date of acquisition. Determining the fair value of assets and liabilities is a complicated process involving significant judgement regarding methods and assumptions used to calculate estimated fair values. Fair values are preliminary and subject to refinement for up to one year after the closing date of the acquisition as information relative to closing date fair values become available. Due to the timing of the data conversion and the integration of operations of the branches onto the Company’s existing operations, historical reporting of the acquired branches is impracticable, and therefore, disclosure of the amounts of revenue and expenses attributable to the acquired branches since the acquisition date are not available. The following table summarizes the estimated fair values of assets acquired and liabilities assumed at the date of acquisition:
|  | Acquired Book |  |  | Fair Value |  |  |  | Amount |
February 24, 2023 |  | Value |  |  | Adjustments |  |  |  | Recorded |
Assets |  |  |  |  |  |  |  |  |  |  |  |  |
Cash and cash equivalents |  | $ | 336,157 |  |  | $ | — |  |  |  | $ | 336,157 |
Loans receivable |  |  | 66,093 |  |  |  | (2,902 | ) | (1) |  |  | 63,191 |
Premises and equipment |  |  | 6,342 |  |  |  | — |  |  |  |  | 6,342 |
Accrued interest receivable |  |  | 530 |  |  |  | — |  |  |  |  | 530 |
Core deposit intangible ("CDI") |  |  | — |  |  |  | 17,438 |  | (2) |  |  | 17,438 |
Goodwill |  |  | — |  |  |  | 1,280 |  | (3) |  |  | 1,280 |
Other assets |  |  | 11 |  |  |  | — |  |  |  |  | 11 |
Total assets acquired |  | $ | 409,133 |  |  | $ | 15,816 |  |  |  | $ | 424,949 |
Liabilities |  |  |  |  |  |  |  |  |  |  |  |  |
Deposits: |  |  |  |  |  |  |  |  |  |  |  |  |
Noninterest-bearing accounts |  | $ | 225,567 |  |  | $ | — |  |  |  | $ | 225,567 |
Interest-bearing accounts |  |  | 199,898 |  |  |  | (548 | ) | (4) |  |  | 199,350 |
Total deposits |  |  | 425,465 |  |  |  | (548 | ) |  |  |  | 424,917 |
Accrued interest payable |  |  | 4 |  |  |  | — |  |  |  |  | 4 |
Other liabilities |  |  | 28 |  |  |  | — |  |  |  |  | 28 |
Total liabilities assumed |  | $ | 425,497 |  |  | $ | (548 | ) |  |  | $ | 424,949 |
______________________
(1) | The fair value discount for acquired loans was determined by separate adjustments to reflect a credit risk and marketability component and a yield component reflecting the differential between portfolio and market yields. The discount on acquired loans will be accreted back into interest income using the effective yield method. None of the loans acquired are purchased financial assets with credit deterioration. The fair value of the loans is $63.2 million and the gross amount due is $66.1 million, none of which is expected to be uncollectable.
(2) | The fair value adjustment represents the value of the core deposit base assumed in the Branch Acquisition based on a study performed by an independent consulting firm. This amount was recorded by the Company as an identifiable intangible asset and will be amortized as an expense on an accelerated basis over the average life of the core deposit base, which is estimated to be 10 years.
(3) | The fair value adjustment represents the value of the goodwill calculated from the purchase based on the purchase price, less the fair value of assets acquired net of liabilities assumed. The goodwill of $1.3 million is attributable to the workforce and customer relationships associated with the branches. All the goodwill is deductible for tax purposes and will be amortized over a 15-year period. The goodwill was assigned to the Commercial and Consumer Banking segment.
(4) | The fair value of time deposits was calculated using a discounted cash flow analysis that calculated the present value of the projected cash flows from the portfolio versus the present value of a similar portfolio with a similar maturity profile at current market rates. This adjustment represents a difference in interest rates from the time deposits acquired and the estimated wholesale funding rates used in the application of fair value accounting. The discounted amount will be amortized into expense as an increase in interest expense over the maturity profile of the acquired time deposits.
The disclosures regarding pro-forma data and the results of operations after the acquisition date are omitted as this information is not practical to obtain. The branches’ financial information is not reported on a stand-alone basis.

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