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INVESTMENT SECURITIES - Cost basis and fair values of investment securities (Details) - USD ($) $ in Thousands | Dec. 31, 2021 | Dec. 31, 2020
--- | --- | ---
Information concerning investments with unrealized gains and losses |  |
Investment securities available for sale, Cost Basis | $ 161,416 | $ 139,684
Investment securities available for sale, Gross Unrealized Gains | 3,167 | 4,728
Investment securities available for sale, Gross Unrealized Losses | (1,412) | (247)
Available for Sale, Fair Value, Total | 163,171 | 144,165
Investment securities held to maturity, Cost Basis | 53,751 | 44,222
Investment securities held to maturity, Gross Unrealized Gains | 2,001 | 2,937
Investment securities held to maturity, Gross Unrealized Losses | (236) | (53)
Held to Maturity, Fair Value, Total | 55,516 | 47,106
U.S. Agency |  |
Information concerning investments with unrealized gains and losses |  |
Investment securities available for sale, Cost Basis | 7,371 | 2,971
Investment securities available for sale, Gross Unrealized Gains | 86 | 181
Investment securities available for sale, Gross Unrealized Losses | (70) |
Available for Sale, Fair Value, Total | 7,387 | 3,152
Investment securities held to maturity, Cost Basis | 2,500 |
Investment securities held to maturity, Gross Unrealized Losses | (11) |
Held to Maturity, Fair Value, Total | 2,489 |
U.S. Agency mortgage-backed securities |  |
Information concerning investments with unrealized gains and losses |  |
Investment securities available for sale, Cost Basis | 80,136 | 65,398
Investment securities available for sale, Gross Unrealized Gains | 1,202 | 2,533
Investment securities available for sale, Gross Unrealized Losses | (1,171) | (18)
Available for Sale, Fair Value, Total | 80,167 | 67,913
Investment securities held to maturity, Cost Basis | 10,556 | 8,119
Investment securities held to maturity, Gross Unrealized Gains | 203 | 369
Investment securities held to maturity, Gross Unrealized Losses | (115) |
Held to Maturity, Fair Value, Total | 10,644 | 8,488
Municipal |  |
Information concerning investments with unrealized gains and losses |  |
Investment securities available for sale, Cost Basis | 20,066 | 19,000
Investment securities available for sale, Gross Unrealized Gains | 851 | 1,348
Investment securities available for sale, Gross Unrealized Losses | (25) |
Available for Sale, Fair Value, Total | 20,892 | 20,348
Investment securities held to maturity, Cost Basis | 33,188 | 30,076
Investment securities held to maturity, Gross Unrealized Gains | 1,734 | 2,455
Investment securities held to maturity, Gross Unrealized Losses | (103) | (49)
Held to Maturity, Fair Value, Total | 34,819 | 32,482
Corporate bonds. |  |
Information concerning investments with unrealized gains and losses |  |
Investment securities available for sale, Cost Basis | 53,843 | 52,315
Investment securities available for sale, Gross Unrealized Gains | 1,028 | 666
Investment securities available for sale, Gross Unrealized Losses | (146) | (229)
Available for Sale, Fair Value, Total | 54,725 | 52,752
Corporate bonds and other securities |  |
Information concerning investments with unrealized gains and losses |  |
Investment securities held to maturity, Cost Basis | 7,507 | 6,027
Investment securities held to maturity, Gross Unrealized Gains | 64 | 113
Investment securities held to maturity, Gross Unrealized Losses | (7) | (4)
Held to Maturity, Fair Value, Total | $ 7,564 | $ 6,136

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