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Loans - Narrative (Details) $ in Thousands | Jun. 30, 2024 USD ($) loan | Dec. 31, 2023 USD ($) loan | Jun. 30, 2023 USD ($) loan
--- | --- | --- | ---
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Net deferred loan costs | $ 12,130 | $ 11,479 | $ 10,824
Loans used to collateralize borrowings from the Federal Home Loan Bank of Boston | 624,058 | 561,574 | 541,345
Loans | $ 2,247,670 | $ 2,129,454 | $ 2,060,953
Number of mortgage loans in the process of foreclosure | loan | 2 | 5 | 0
Mortgage loans in the process of foreclosure | $ 127 | $ 400 |
Asset Pledged as Collateral |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Loans | 353,650 | 320,083 | $ 331,836
Interest rate swap agreements | Designated as Hedging Instrument |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Loan adjustments | 996 | (1,769) | 861
Interest rate swap agreements | Fair Value Hedging | Designated as Hedging Instrument |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Loan adjustments | $ 68 | $ (2,149) | $ (759)

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- Definition Fair value of the assets less the liabilities of a derivative or group of derivatives. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 825 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 10 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482907/825-10-50-10 + Details
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- Definition Amount of the collateral pledged in support of federal home loan bank advances outstanding. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 942 -SubTopic 470 -Name Accounting Standards Codification -Section 45 -Paragraph 1 -Publisher FASB -URI https://asc.fasb.org/1943274/2147478878/942-470-45-1 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 942 -SubTopic 470 -Section 50 -Paragraph 3 -Subparagraph (d) -Publisher FASB -URI https://asc.fasb.org/1943274/2147477734/942-470-50-3 + Details
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