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Derivative Financial Instruments (Tables) | 9 Months Ended
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Sep. 30, 2025
Derivative Instruments and Hedging Activities Disclosure [Abstract] |
Schedule of Cumulative Basis Adjustments for Interest Rate Swap Derivatives Designated as Fair Value Accounting Hedges | The following table presents amounts that were recorded on the Company's consolidated balance sheets related to cumulative basis adjustments for interest rate swap derivatives designated as fair value accounting hedges as of September 30, 2025 and December 31, 2024.
|  | (In Thousands) |
|  | September 30, 2025 |  |  | December 31, 2024 |
Line Item in the Consolidated Balance Sheets in which the Hedged Item is Included |  | Carrying Amount of the Hedged Assets |  |  | Cumulative Amount of Fair Value Hedging Adjustment Included in the Carrying Amount of the Hedged Assets |  |  | Carrying Amount of the Hedged Assets |  |  | Cumulative Amount of Fair Value Hedging Adjustment Included in the Carrying Amount of the Hedged Assets |
Loans |  | $ | 221,242 |  |  | $ | 1,868 |  |  | $ | 249,127 |  |  | $ | 1,074 |
Summary of Interest Rate Swap Derivatives Designated as Fair Value Accounting Hedges of Fixed-rate Receivables | The following tables present a summary of interest rate swap derivatives designated as fair value accounting hedges of fixed-rate receivables used in the Bank's asset/liability management activities at September 30, 2025 and December 31, 2024, identified by the underlying interest rate-sensitive instruments.
|  |  |  |  | Weighted Average |  |  |  |  |  |  |  |  |
|  | Notional Value (In |  |  | Remaining Maturity |  |  | Fair Value (In |  |  | Weighted Average Rate |
Instruments Associated With |  | Thousands) |  |  | (In Years) |  |  | Thousands) |  |  | Receive |  | Pay |
Loans |  | $ | 100,000 |  |  |  | 1.8 |  |  | $ | (1,725 | ) |  | USD-SOFR-OIS |  |  | 4.47 | %
Total swap portfolio at September 30, 2025 |  | $ | 100,000 |  |  |  | 1.8 |  |  | $ | (1,725 | ) |  | USD-SOFR-OIS |  |  | 4.47 | %
|  |  |  |  | Weighted Average |  |  |  |  |  |  |  |  |
|  | Notional Value (In |  |  | Remaining Maturity |  |  | Fair Value (In |  |  | Weighted Average Rate |
Instruments Associated With |  | Thousands) |  |  | (In Years) |  |  | Thousands) |  |  | Receive |  | Pay |
Loans |  | $ | 100,000 |  |  |  | 2.6 |  |  | $ | (976 | ) |  | USD-SOFR-OIS |  |  | 4.47 | %
Total swap portfolio at December 31, 2024 |  | $ | 100,000 |  |  |  | 2.6 |  |  | $ | (976 | ) |  | USD-SOFR-OIS |  |  | 4.47 | %
Schedule of Notional Amount and Fair Value of Interest Rate Swaps | The following table presents the notional amount and fair value of interest rate swaps utilized by the Bank at September 30, 2025 and December 31, 2024.
|  | (In Thousands) |
|  | September 30, 2025 |  |  | December 31, 2024 |
|  | Notional Amount |  |  | Fair Value |  |  | Notional Amount |  |  | Fair Value |
Asset Derivatives |  |  |  |  |  |  |  |  |  |  |  |
Derivatives designated as hedging instruments |  |  |  |  |  |  |  |  |  |  |  |
Interest rate swaps associated with loans |  | $ | - |  |  | $ | - |  |  | $ | - |  |  | $ | - |
Total contracts |  | $ | - |  |  | $ | - |  |  | $ | - |  |  | $ | - |
Liability Derivatives |  |  |  |  |  |  |  |  |  |  |  |
Derivatives designated as hedging instruments |  |  |  |  |  |  |  |  |  |  |  |
Interest rate swaps associated with loans |  | $ | 100,000 |  |  | $ | (1,725 | ) |  | $ | 100,000 |  |  | $ | (976 | )
Total contracts |  | $ | 100,000 |  |  | $ | (1,725 | ) |  | $ | 100,000 |  |  | $ | (976 | )
Schedule of Effects of Interest Rate Swap Agreements on Consolidated Statements of Income | The following table presents the effects of the Bank's interest rate swap agreements on the Company’s consolidated statement of income during the three and nine months ended September 30, 2025 and September 30, 2024.
|  | (In Thousands) |
|  | Three Months Ended |  |  | Nine Months Ended |
Line Item in the Consolidated Statements of Income |  | September 30, 2025 |  |  | September 30, 2024 |  |  | September 30, 2025 |  |  | September 30, 2024 |
Interest Income |  |  |  |  |  |  |  |  |  |  |  |
Loans, including fees |  | $ | (12 | ) |  | $ | 57 |  |  | $ | (57 | ) |  | $ | 62 |
Other |  |  | 25 |  |  |  | 208 |  |  |  | 75 |  |  |  | 635 |
Total interest income |  | $ | 13 |  |  | $ | 265 |  |  | $ | 18 |  |  | $ | 697 |

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- Definition Tabular disclosure of the location and amount of derivative instruments and nonderivative instruments designated as hedging instruments reported before netting adjustments, and the amount of gain (loss) on derivative instruments and nonderivative instruments designated and qualified as hedging instruments. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 815 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 4CC -Publisher FASB -URI https://asc.fasb.org/1943274/2147480434/815-10-50-4CC Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 815 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 4C -Publisher FASB -URI https://asc.fasb.org/1943274/2147480434/815-10-50-4C Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 815 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 4A -Subparagraph (c) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480434/815-10-50-4A Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Topic 815 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 4A -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480434/815-10-50-4A Reference 5: http://www.xbrl.org/2003/role/disclosureRef -Topic 815 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 4E -Publisher FASB -URI https://asc.fasb.org/1943274/2147480434/815-10-50-4E + Details
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