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Fair value of financial instruments | 12 Months Ended
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Dec. 31, 2023
Fair value of financial instruments |
Fair value of financial instruments | 12. Fair value of financial instruments: The following methods and assumptions were used by the Company to construct the summary table below containing the fair values and related carrying amounts of financial instruments measured at fair value: Investment securities: The fair values of marketable equity securities are based on quoted market prices from active exchange markets. The fair values of debt securities are based on pricing from a matrix pricing model and quoted market prices. Individually evaluated loans: Fair values for individually evaluated loans are estimated using discounted cash flow analysis determined by the loan review function or underlying collateral values, where applicable. Interest rate swaps and floors: Values of these instruments are obtained through an independent pricing source utilizing information which may include market observed quotations for swaps, market index rates, forward rates and rate volatility. Derivative contracts create exposure to interest rate movements as well as risks from the potential of non-performance of the counterparty. Assets and liabilities measured at fair value on a recurring basis at December 31, 2023 and 2022 are summarized as follows: ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Fair Value Measurement Using |
​ | ​ | ​ | ​ | Quoted Prices in | ​ | Significant | ​ | Significant |
​ | ​ | ​ | ​ | Active Markets for | ​ | Other Observable | ​ | Unobservable |
(Dollars in thousands) | ​ | ​ | ​ | Identical Assets | ​ | Inputs | ​ | Inputs |
December 31, 2023 |  | Amount |  | (Level 1) |  | (Level 2) |  | (Level 3) |
U.S. Treasury securities |  | $ | 184,057 |  | $ | 184,057 |  | $ | ​ |  | $ | ​ | ​
U.S. government-sponsored enterprises | ​ | ​ | 2,152 | ​ | ​ | ​ | ​ | ​ | 2,152 | ​ | ​ | ​ | ​
State and municipals: | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Taxable | ​ |  | 57,100 | ​ | ​ | ​ | ​ |  | 57,100 | ​ | ​ | ​ | ​
Tax-exempt | ​ |  | 67,124 | ​ | ​ | ​ | ​ |  | 67,124 | ​ | ​ | ​ | ​
Mortgage-backed securities: | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
U.S. government agencies | ​ |  | 724 | ​ | ​ | ​ | ​ |  | 724 | ​ | ​ | ​ | ​
U.S. government-sponsored enterprises | ​ |  | 84,040 | ​ | ​ | ​ | ​ |  | 84,040 | ​ | ​ | ​ | ​
Corporate debt securities | ​ | ​ | 3,730 | ​ | ​ | ​ | ​ | ​ | 3,730 | ​ | ​ | ​ | ​
Common equity securities | ​ | ​ | 98 | ​ | ​ | 98 | ​ | ​ | ​ | ​ | ​ | ​ | ​
Total investment securities | ​ | $ | 399,025 | ​ | $ | 184,155 | ​ | $ | 214,870 | ​ | $ | ​ | ​
Interest rate floor-other assets | ​ | $ | ​ | ​ | ​ | ​ | ​ | $ | ​ | ​ | ​ | ​ | ​
Interest rate swap-other assets | ​ | $ | 19,278 | ​ | ​ | ​ | ​ | $ | 19,278 | ​ | ​ | ​ | ​
Interest rate swap-other liabilities | ​ | $ | (18,808) | ​ | ​ | ​ | ​ | $ | (18,808) | ​ | ​ | ​ | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Fair Value Measurement Using |
​ | ​ | ​ | ​ | ​ | Quoted Prices in | ​ | Significant | ​ | Significant |
​ | ​ | ​ | ​ | Active Markets for | ​ | Other Observable | ​ | Unobservable |
(Dollars in thousands) | ​ | ​ | ​ | Identical Assets | ​ | Inputs | ​ | Inputs |
December 31, 2022 |  | Amount |  | (Level 1) |  | (Level 2) |  | (Level 3) |
U.S. Treasury securities |  | $ | 180,297 |  | $ | 180,297 |  | $ | ​ |  | $ | ​ | ​
U.S. government-sponsored enterprises | ​ | ​ | 16,370 | ​ | ​ | ​ | ​ | ​ | 16,370 | ​ | ​ | ​ | ​
State and municipals: | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Taxable | ​ |  | 55,358 | ​ | ​ | ​ | ​ |  | 55,358 | ​ | ​ | ​ | ​
Tax-exempt | ​ |  | 88,407 | ​ | ​ | ​ | ​ |  | 88,407 | ​ | ​ | ​ | ​
Mortgage-backed securities: | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
U.S. government agencies | ​ |  | 942 | ​ | ​ | ​ | ​ |  | 942 | ​ | ​ | ​ | ​
U.S. government-sponsored enterprises | ​ |  | 132,703 | ​ | ​ | ​ | ​ |  | 132,703 | ​ | ​ | ​ | ​
Corporate debt securities | ​ | ​ | 3,626 | ​ | ​ | ​ | ​ | ​ | 3,626 | ​ | ​ | ​ | ​
Common equity securities | ​ |  | 110 | ​ | ​ | 110 | ​ | ​ | ​ | ​ | ​ | ​ | ​
Total investment securities | ​ | $ | 477,813 | ​ | $ | 180,407 | ​ | $ | 297,406 | ​ | $ | ​ | ​
Interest rate floor-other assets | ​ | $ | 1 | ​ | ​ | ​ | ​ | $ | 1 | ​ | ​ | ​ | ​
Interest rate swap-other assets | ​ | $ | 21,794 | ​ | ​ | ​ | ​ | $ | 21,794 | ​ | ​ | ​ | ​
Interest rate swap-other liabilities | ​ | $ | (21,466) | ​ | ​ | ​ | ​ | $ | (21,466) | ​ | ​ | ​ | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ Assets and liabilities measured at fair value on a nonrecurring basis at December 31, 2023 and 2022 are summarized as follows: ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Fair Value Measurement Using |
​ | ​ | ​ | ​ | ​ | Quoted Prices in | ​ | Significant | ​ | Significant |
​ | ​ | ​ | ​ | Active Markets for | ​ | Other Observable | ​ | Unobservable |
(Dollars in thousands) | ​ | ​ | ​ | Identical Assets | ​ | Inputs | ​ | Inputs |
December 31, 2023 |  | Amount |  | (Level 1) |  | (Level 2) |  | (Level 3) |
Loans individually evaluated for credit loss |  | $ | 4,740 |  | $ | ​ |  | $ | ​ |  | $ | 4,740 | ​
​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Fair Value Measurement Using |
​ | ​ | ​ | ​ | ​ | Quoted Prices in | ​ | Significant Other | ​ | Significant |
​ | ​ | ​ | ​ | Active Markets for | ​ | Observable | ​ | Unobservable |
(Dollars in thousands) | ​ | ​ | ​ | Identical Assets | ​ | Inputs | ​ | Inputs |
December 31, 2022 |  | Amount |  | (Level 1) |  | (Level 2) |  | (Level 3) |
Impaired loans |  | $ | 220 |  | $ | ​ |  | $ | ​ |  | $ | 220 | ​
​ The following table presents additional quantitative information about assets measured at fair value on a nonrecurring basis and for which the Company has utilized Level 3 inputs to determine fair value: ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Quantitative Information about Level 3 Fair Value Measurements |
(Dollars in thousands, except percents) | ​ | Fair Value | ​ | ​ | ​ | ​ | ​ | Range |
December 31, 2023 |  | Estimate |  | Valuation Techniques |  | Unobservable Input |  | (Weighted Average) |
Loans individually evaluated for credit loss |  | $ | 4,740 |  | Appraisal of collateral |  | Appraisal adjustments |  | 22.8% to 82.4% (63.6)% | ​
​ | ​ | ​ | ​ | ​ | ​ |  | Liquidation expenses |  | 3.0% to 6.0% (5.2)% | ​
​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Quantitative Information about Level 3 Fair Value Measurements |
(Dollars in thousands, except percents) | ​ | Fair Value | ​ | ​ | ​ | ​ | ​ | Range |
December 31, 2022 |  | Estimate |  | Valuation Techniques |  | Unobservable Input |  | (Weighted Average) |
Impaired loans |  | $ | 220 |  | Appraisal of collateral |  | Appraisal adjustments |  | 21.6% to 97.0% (77.7)% | ​
​ | ​ | ​ | ​ | ​ | ​ |  | Liquidation expenses |  | 3.0% to 6.0% (4.9)% | ​
​ Fair value is generally determined through independent appraisals of the underlying collateral, which generally include various Level 3 inputs which are not identifiable. Appraisals may be adjusted by management for qualitative factors such as economic conditions and estimated liquidation expenses. The range and weighted average of liquidation expenses and other appraisal adjustments are presented as a percent of the appraisal. The carrying and fair values of the Company’s financial instruments at December 31, 2023 and 2022 and their placement within the fair value hierarchy are as follows: ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ |  | ​ | ​ |  | ​ | ​ |  | Fair Value Hierarchy |
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | Quoted |  | ​ | ​ |  | ​ | ​ |
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | Prices in | ​ | ​ | ​ | ​ | ​ | ​ |
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | Active | ​ | Significant | ​ | ​ | ​ |
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | Markets for | ​ | Other | ​ | Significant |
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | Identical | ​ | Observable | ​ | Unobservable |
(Dollars in thousands) | ​ | Carrying | ​ | Fair | ​ | Assets | ​ | Inputs | ​ | Inputs |
December 31, 2023 |  | Value |  | Value |  | (Level 1) |  | (Level 2) |  | (Level 3) |
Financial assets: | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Cash and due from banks | ​ | $ | 187,365 | ​ | $ | 187,365 | ​ | $ | 187,365 | ​ | $ | ​ | ​ | $ | ​ | ​
Investment securities: | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Available-for-sale | ​ |  | 398,927 | ​ |  | 398,927 | ​ | ​ | 184,057 | ​ | ​ | 214,870 | ​ | ​ | ​ | ​
Common equity securities | ​ | ​ | 98 | ​ | ​ | 98 | ​ | ​ | 98 | ​ | ​ | ​ | ​ | ​ | ​ | ​
Held-to-maturity | ​ |  | 84,851 | ​ |  | 71,698 | ​ | ​ | ​ | ​ |  | 71,698 | ​ | ​ | ​ | ​
Net loans | ​ |  | 2,828,002 | ​ |  | 2,593,151 | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | 2,593,151 | ​
Accrued interest receivable | ​ |  | 12,734 | ​ |  | 12,734 | ​ | ​ | ​ | ​ |  | 12,734 | ​ | ​ | ​ | ​
Mortgage servicing rights | ​ |  | 870 | ​ |  | 1,745 | ​ | ​ | ​ | ​ |  | 1,745 | ​ | ​ | ​ | ​
Restricted equity securities (FHLB and other) | ​ | ​ | 5,180 | ​ |  | 5,180 | ​ | ​ | ​ | ​ |  | 5,180 | ​ | ​ | ​ | ​
Interest rate floor | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Interest rate swaps | ​ |  | 19,278 | ​ |  | 19,278 | ​ | ​ | ​ | ​ |  | 19,278 | ​ | ​ | ​ | ​
Total | ​ | $ | 3,537,555 | ​ | $ | 3,290,426 | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Financial liabilities: | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Deposits | ​ | $ | 3,279,037 | ​ | $ | 3,274,774 | ​ | $ | ​ | ​ | $ | 3,274,774 | ​ | $ | ​ | ​
Short-term borrowings | ​ | ​ | 17,590 | ​ | ​ | 17,590 | ​ | ​ | ​ | ​ | ​ | 17,590 | ​ | ​ | ​ | ​
Long-term debt | ​ |  | 25,000 | ​ |  | 24,924 | ​ | ​ | ​ | ​ |  | 24,924 | ​ | ​ | ​ | ​
Subordinated debt | ​ |  | 33,000 | ​ |  | 45,504 | ​ | ​ | ​ | ​ |  | 45,504 | ​ | ​ | ​ | ​
Accrued interest payable | ​ | ​ | 5,765 | ​ |  | 5,765 | ​ | ​ | ​ | ​ | ​ | 5,765 | ​ | ​ | ​ | ​
Interest rate swaps | ​ |  | 18,808 | ​ |  | 18,808 | ​ | ​ | ​ | ​ | ​ | 18,808 | ​ | ​ | ​ | ​
Total | ​ | $ | 3,379,200 | ​ | $ | 3,387,365 | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ |  | ​ | ​ |  | ​ | ​ |  | Fair Value Hierarchy |
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | Quoted |  | ​ | ​ |  | ​ | ​ |
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | Prices in | ​ | ​ | ​ | ​ | ​ | ​ |
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | Active | ​ | Significant | ​ | ​ | ​ |
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | Markets for | ​ | Other | ​ | Significant |
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | Identical | ​ | Observable | ​ | Unobservable |
(Dollars in thousands) | ​ | Carrying | ​ | Fair | ​ | Assets | ​ | Inputs | ​ | Inputs |
December 31, 2022 |  | Value |  | Value |  | (Level 1) |  | (Level 2) |  | (Level 3) |
Financial assets: | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Cash and due from banks | ​ | $ | 37,868 | ​ | $ | 37,868 | ​ | $ | 37,868 | ​ | $ | ​ | ​ | $ | ​ | ​
Investment securities: | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Available-for-sale | ​ |  | 477,703 | ​ |  | 477,703 | ​ | ​ | 180,297 | ​ | ​ | 294,706 | ​ | ​ | ​ | ​
Common equity securities | ​ | ​ | 110 | ​ | ​ | 110 | ​ | ​ | 110 | ​ | ​ | ​ | ​ | ​ | ​ | ​
Held-to-maturity | ​ |  | 91,179 | ​ |  | 76,563 | ​ | ​ | ​ | ​ |  | 76,563 | ​ | ​ | ​ | ​
Net loans | ​ |  | 2,702,644 | ​ |  | 2,562,780 | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | 2,562,780 | ​
Accrued interest receivable | ​ |  | 11,715 | ​ |  | 11,715 | ​ | ​ | ​ | ​ |  | 11,715 | ​ | ​ | ​ | ​
Mortgage servicing rights | ​ |  | 914 | ​ |  | 1,762 | ​ | ​ | ​ | ​ |  | 1,762 | ​ | ​ | ​ | ​
Restricted equity securities (FHLB and other) | ​ |  | 9,630 | ​ |  | 9,630 | ​ | ​ | ​ | ​ |  | 9,630 | ​ | ​ | ​ | ​
Interest rate floor | ​ | ​ | 1 | ​ | ​ | 1 | ​ | ​ | ​ | ​ | ​ | 1 | ​ | ​ | ​ | ​
Interest rate swaps | ​ | ​ | 21,794 | ​ | ​ | 21,794 | ​ | ​ | ​ | ​ | ​ | 21,794 | ​ | ​ | ​ | ​
Total | ​ | $ | 3,353,558 | ​ | $ | 3,199,926 | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Financial liabilities: | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Deposits | ​ | $ | 3,046,598 | ​ | $ | 3,035,615 | ​ | $ | ​ | ​ | $ | 3,035,615 | ​ | $ | ​ | ​
Short-term borrowings | ​ |  | 114,930 | ​ |  | 114,743 | ​ | ​ | ​ | ​ |  | 114,743 | ​ | ​ | ​ | ​
Long-term debt | ​ |  | 555 | ​ |  | 555 | ​ | ​ | ​ | ​ |  | 555 | ​ | ​ | ​ | ​
Subordinated debt | ​ | ​ | 33,000 | ​ | ​ | 53,998 | ​ | ​ | ​ | ​ | ​ | 53,998 | ​ | ​ | ​ | ​
Accrued interest payable | ​ |  | 903 | ​ |  | 903 | ​ | ​ | ​ | ​ | ​ | 903 | ​ | ​ | ​ | ​
Interest rate swaps | ​ | ​ | 21,466 | ​ | ​ | 21,466 | ​ | ​ | ​ | ​ | ​ | 21,466 | ​ | ​ | ​ | ​
Total | ​ | $ | 3,217,452 | ​ | $ | 3,227,280 | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​

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- Definition The entire disclosure for the fair value of financial instruments (as defined), including financial assets and financial liabilities (collectively, as defined), and the measurements of those instruments as well as disclosures related to the fair value of non-financial assets and liabilities. Such disclosures about the financial instruments, assets, and liabilities would include: (1) the fair value of the required items together with their carrying amounts (as appropriate); (2) for items for which it is not practicable to estimate fair value, disclosure would include: (a) information pertinent to estimating fair value (including, carrying amount, effective interest rate, and maturity, and (b) the reasons why it is not practicable to estimate fair value; (3) significant concentrations of credit risk including: (a) information about the activity, region, or economic characteristics identifying a concentration, (b) the maximum amount of loss the entity is exposed to based on the gross fair value of the related item, (c) policy for requiring collateral or other security and information as to accessing such collateral or security, and (d) the nature and brief description of such collateral or security; (4) quantitative information about market risks and how such risks are managed; (5) for items measured on both a recurring and nonrecurring basis information regarding the inputs used to develop the fair value measurement; and (6) for items presented in the financial statement for which fair value measurement is elected: (a) information necessary to understand the reasons for the election, (b) discussion of the effect of fair value changes on earnings, (c) a description of [similar groups] items for which the election is made and the relation thereof to the balance sheet, the aggregate carrying value of items included in the balance sheet that are not eligible for the election; (7) all other required (as defined) and desired information. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Publisher FASB -URI https://asc.fasb.org//1943274/2147482106/820-10-50-2 + Details
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