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FAIR VALUE MEASUREMENTS AND FAIR VALUES OF FINANCIAL INSTRUMENTS - Assets Measured at Fair Value (Details) - USD ($) $ in Thousands | Jun. 30, 2023 | Dec. 31, 2022
--- | --- | ---
Assets Measured at Fair Value |  |
Total, fair value | $ 445,695 | $ 498,033
Impaired loans with a valuation allowance |  | 3,460
Valuation allowance |  | (453)
Impaired loans, net |  | 3,460
Interest rate swap agreements |  |
Assets Measured at Fair Value |  |
Fair value derivative asset | 3,645 | 3,638
Fair value of the derivative liability | 3,645 | 3,638
Obligations of the U.S. Treasury |  |
Assets Measured at Fair Value |  |
Total, fair value | 30,743 | 31,836
Obligations of U.S. Government agencies |  |
Assets Measured at Fair Value |  |
Total, fair value | 20,552 | 23,430
Bank holding company debt securities |  |
Assets Measured at Fair Value |  |
Total, fair value | 23,325 | 25,386
Obligations Of States And Political Subdivisions Tax Exempt |  |
Assets Measured at Fair Value |  |
Total, fair value | 113,170 | 132,623
Obligations Of States And Political Subdivisions Taxable |  |
Assets Measured at Fair Value |  |
Total, fair value | 55,702 | 56,812
Residential Passthrough Securities |  |
Assets Measured at Fair Value |  |
Total, fair value | 92,795 | 99,941
Residential Collateralized Mortgage Obligations |  |
Assets Measured at Fair Value |  |
Total, fair value | 35,897 | 40,296
Commercial Mortgage Backed Securities |  |
Assets Measured at Fair Value |  |
Total, fair value | 65,517 | 79,686
Private label commercial mortgage-backed securities |  |
Assets Measured at Fair Value |  |
Total, fair value | 7,994 | 8,023
Recurring fair value measurements |  |
Assets Measured at Fair Value |  |
Total, fair value | 445,695 | 498,033
Marketable equity security | 859 | 859
Servicing rights | 2,607 | 2,653
Total asset fair value measurements | 452,818 | 505,183
Recurring fair value measurements | Level 1 |  |
Assets Measured at Fair Value |  |
Total, fair value | 30,743 | 31,836
Marketable equity security | 859 | 859
Servicing rights | 0 | 0
Total asset fair value measurements | 31,602 | 32,695
Recurring fair value measurements | Level 2 |  |
Assets Measured at Fair Value |  |
Total, fair value | 414,952 | 466,197
Marketable equity security | 0 | 0
Servicing rights | 0 | 0
Total asset fair value measurements | 418,609 | 469,835
Recurring fair value measurements | Level 3 |  |
Assets Measured at Fair Value |  |
Total, fair value | 0 | 0
Marketable equity security | 0 | 0
Servicing rights | 2,607 | 2,653
Total asset fair value measurements | 2,607 | 2,653
Recurring fair value measurements | Interest rate swap agreements |  |
Assets Measured at Fair Value |  |
Fair value derivative asset | 3,645 | 3,638
Fair value of the derivative liability | 3,645 | 3,638
Recurring fair value measurements | Interest rate swap agreements | Level 1 |  |
Assets Measured at Fair Value |  |
Fair value derivative asset | 0 | 0
Fair value of the derivative liability | 0 | 0
Recurring fair value measurements | Interest rate swap agreements | Level 2 |  |
Assets Measured at Fair Value |  |
Fair value derivative asset | 3,645 | 3,638
Fair value of the derivative liability | 3,645 | 3,638
Recurring fair value measurements | Interest rate swap agreements | Level 3 |  |
Assets Measured at Fair Value |  |
Fair value derivative asset | 0 | 0
Fair value of the derivative liability | 0 | 0
Recurring fair value measurements | Obligations of the U.S. Treasury |  |
Assets Measured at Fair Value |  |
Total, fair value | 30,743 | 31,836
Recurring fair value measurements | Obligations of the U.S. Treasury | Level 1 |  |
Assets Measured at Fair Value |  |
Total, fair value | 30,743 | 31,836
Recurring fair value measurements | Obligations of the U.S. Treasury | Level 2 |  |
Assets Measured at Fair Value |  |
Total, fair value | 0 | 0
Recurring fair value measurements | Obligations of the U.S. Treasury | Level 3 |  |
Assets Measured at Fair Value |  |
Total, fair value | 0 | 0
Recurring fair value measurements | Obligations of U.S. Government agencies |  |
Assets Measured at Fair Value |  |
Total, fair value | 20,552 | 23,430
Recurring fair value measurements | Obligations of U.S. Government agencies | Level 1 |  |
Assets Measured at Fair Value |  |
Total, fair value | 0 | 0
Recurring fair value measurements | Obligations of U.S. Government agencies | Level 2 |  |
Assets Measured at Fair Value |  |
Total, fair value | 20,552 | 23,430
Recurring fair value measurements | Obligations of U.S. Government agencies | Level 3 |  |
Assets Measured at Fair Value |  |
Total, fair value | 0 | 0
Recurring fair value measurements | Bank holding company debt securities |  |
Assets Measured at Fair Value |  |
Total, fair value | 23,325 | 25,386
Recurring fair value measurements | Bank holding company debt securities | Level 1 |  |
Assets Measured at Fair Value |  |
Total, fair value | 0 | 0
Recurring fair value measurements | Bank holding company debt securities | Level 2 |  |
Assets Measured at Fair Value |  |
Total, fair value | 23,325 | 25,386
Recurring fair value measurements | Bank holding company debt securities | Level 3 |  |
Assets Measured at Fair Value |  |
Total, fair value | 0 | 0
Recurring fair value measurements | Obligations Of States And Political Subdivisions Tax Exempt |  |
Assets Measured at Fair Value |  |
Total, fair value | 113,170 | 132,623
Recurring fair value measurements | Obligations Of States And Political Subdivisions Tax Exempt | Level 1 |  |
Assets Measured at Fair Value |  |
Total, fair value | 0 | 0
Recurring fair value measurements | Obligations Of States And Political Subdivisions Tax Exempt | Level 2 |  |
Assets Measured at Fair Value |  |
Total, fair value | 113,170 | 132,623
Recurring fair value measurements | Obligations Of States And Political Subdivisions Tax Exempt | Level 3 |  |
Assets Measured at Fair Value |  |
Total, fair value | 0 | 0
Recurring fair value measurements | Obligations Of States And Political Subdivisions Taxable |  |
Assets Measured at Fair Value |  |
Total, fair value | 55,702 | 56,812
Recurring fair value measurements | Obligations Of States And Political Subdivisions Taxable | Level 1 |  |
Assets Measured at Fair Value |  |
Total, fair value | 0 | 0
Recurring fair value measurements | Obligations Of States And Political Subdivisions Taxable | Level 2 |  |
Assets Measured at Fair Value |  |
Total, fair value | 55,702 | 56,812
Recurring fair value measurements | Obligations Of States And Political Subdivisions Taxable | Level 3 |  |
Assets Measured at Fair Value |  |
Total, fair value | 0 | 0
Recurring fair value measurements | Residential Passthrough Securities |  |
Assets Measured at Fair Value |  |
Total, fair value | 92,795 | 99,941
Recurring fair value measurements | Residential Passthrough Securities | Level 1 |  |
Assets Measured at Fair Value |  |
Total, fair value | 0 | 0
Recurring fair value measurements | Residential Passthrough Securities | Level 2 |  |
Assets Measured at Fair Value |  |
Total, fair value | 92,795 | 99,941
Recurring fair value measurements | Residential Passthrough Securities | Level 3 |  |
Assets Measured at Fair Value |  |
Total, fair value | 0 | 0
Recurring fair value measurements | Residential Collateralized Mortgage Obligations |  |
Assets Measured at Fair Value |  |
Total, fair value | 35,897 | 40,296
Recurring fair value measurements | Residential Collateralized Mortgage Obligations | Level 1 |  |
Assets Measured at Fair Value |  |
Total, fair value | 0 | 0
Recurring fair value measurements | Residential Collateralized Mortgage Obligations | Level 2 |  |
Assets Measured at Fair Value |  |
Total, fair value | 35,897 | 40,296
Recurring fair value measurements | Residential Collateralized Mortgage Obligations | Level 3 |  |
Assets Measured at Fair Value |  |
Total, fair value | 0 | 0
Recurring fair value measurements | Commercial Mortgage Backed Securities |  |
Assets Measured at Fair Value |  |
Total, fair value | 65,517 | 79,686
Recurring fair value measurements | Commercial Mortgage Backed Securities | Level 1 |  |
Assets Measured at Fair Value |  |
Total, fair value | 0 | 0
Recurring fair value measurements | Commercial Mortgage Backed Securities | Level 2 |  |
Assets Measured at Fair Value |  |
Total, fair value | 65,517 | 79,686
Recurring fair value measurements | Commercial Mortgage Backed Securities | Level 3 |  |
Assets Measured at Fair Value |  |
Total, fair value | 0 | 0
Recurring fair value measurements | Private label commercial mortgage-backed securities |  |
Assets Measured at Fair Value |  |
Total, fair value | 7,994 | 8,023
Recurring fair value measurements | Private label commercial mortgage-backed securities | Level 1 |  |
Assets Measured at Fair Value |  |
Total, fair value | 0 | 0
Recurring fair value measurements | Private label commercial mortgage-backed securities | Level 2 |  |
Assets Measured at Fair Value |  |
Total, fair value | 7,994 | 8,023
Recurring fair value measurements | Private label commercial mortgage-backed securities | Level 3 |  |
Assets Measured at Fair Value |  |
Total, fair value | 0 | 0
Nonrecurring fair value measurements |  |
Assets Measured at Fair Value |  |
Total asset fair value measurements | 5,524 | 3,282
Impaired loans, net |  | 3,007
Loans individually evaluated for credit loss, net | 5,065 |
Foreclosed assets held for sale | 459 | 275
Nonrecurring fair value measurements | Level 1 |  |
Assets Measured at Fair Value |  |
Total asset fair value measurements | 0 | 0
Impaired loans, net |  | 0
Loans individually evaluated for credit loss, net | 0 |
Foreclosed assets held for sale | 0 | 0
Nonrecurring fair value measurements | Level 2 |  |
Assets Measured at Fair Value |  |
Total asset fair value measurements | 0 | 0
Impaired loans, net |  | 0
Loans individually evaluated for credit loss, net | 0 |
Foreclosed assets held for sale | 0 | 0
Nonrecurring fair value measurements | Level 3 |  |
Assets Measured at Fair Value |  |
Total asset fair value measurements | 5,524 | 3,282
Impaired loans, net |  | 3,007
Loans individually evaluated for credit loss, net | 5,065 |
Foreclosed assets held for sale | $ 459 | $ 275

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