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INVESTMENT SECURITIES - Cost basis and fair values of investment securities (Details) - USD ($) $ in Thousands | Dec. 31, 2022 | Dec. 31, 2021
--- | --- | ---
Information concerning investments with unrealized gains and losses |  |
Investment securities available for sale, Cost Basis | $ 198,417 | $ 161,416
Investment securities available for sale, Gross Unrealized Gains | 95 | 3,167
Investment securities available for sale, Gross Unrealized Losses | (19,004) | (1,412)
Available for Sale, Fair Value, Total | 179,508 | 163,171
Investment securities held to maturity, Cost Basis | 61,878 | 53,751
Investment securities held to maturity, Gross Unrealized Gains | 10 | 2,001
Investment securities held to maturity, Gross Unrealized Losses | (6,696) | (236)
Held to Maturity, Fair Value, Total | 55,192 | 55,516
U.S. Agency |  |
Information concerning investments with unrealized gains and losses |  |
Investment securities available for sale, Cost Basis | 11,797 | 7,371
Investment securities available for sale, Gross Unrealized Gains | 1 | 86
Investment securities available for sale, Gross Unrealized Losses | (1,265) | (70)
Available for Sale, Fair Value, Total | 10,533 | 7,387
Investment securities held to maturity, Cost Basis | 2,500 | 2,500
Investment securities held to maturity, Gross Unrealized Losses | (432) | (11)
Held to Maturity, Fair Value, Total | 2,068 | 2,489
U.S. Agency mortgage-backed securities |  |
Information concerning investments with unrealized gains and losses |  |
Investment securities available for sale, Cost Basis | 102,631 | 80,136
Investment securities available for sale, Gross Unrealized Gains | 64 | 1,202
Investment securities available for sale, Gross Unrealized Losses | (12,710) | (1,171)
Available for Sale, Fair Value, Total | 89,985 | 80,167
Investment securities held to maturity, Cost Basis | 18,877 | 10,556
Investment securities held to maturity, Gross Unrealized Gains | 8 | 203
Investment securities held to maturity, Gross Unrealized Losses | (2,212) | (115)
Held to Maturity, Fair Value, Total | 16,673 | 10,644
Municipal |  |
Information concerning investments with unrealized gains and losses |  |
Investment securities available for sale, Cost Basis | 20,837 | 20,066
Investment securities available for sale, Gross Unrealized Gains |  | 851
Investment securities available for sale, Gross Unrealized Losses | (1,799) | (25)
Available for Sale, Fair Value, Total | 19,038 | 20,892
Investment securities held to maturity, Cost Basis | 33,993 | 33,188
Investment securities held to maturity, Gross Unrealized Gains | 2 | 1,734
Investment securities held to maturity, Gross Unrealized Losses | (3,880) | (103)
Held to Maturity, Fair Value, Total | 30,115 | 34,819
Corporate bonds. |  |
Information concerning investments with unrealized gains and losses |  |
Investment securities available for sale, Cost Basis | 63,152 | 53,843
Investment securities available for sale, Gross Unrealized Gains | 30 | 1,028
Investment securities available for sale, Gross Unrealized Losses | (3,230) | (146)
Available for Sale, Fair Value, Total | 59,952 | 54,725
Corporate bonds and other securities |  |
Information concerning investments with unrealized gains and losses |  |
Investment securities held to maturity, Cost Basis | 6,508 | 7,507
Investment securities held to maturity, Gross Unrealized Gains |  | 64
Investment securities held to maturity, Gross Unrealized Losses | (172) | (7)
Held to Maturity, Fair Value, Total | $ 6,336 | $ 7,564

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