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FAIR VALUE MEASUREMENTS - Assets and Liabilities Measured at Fair Value on Recurring Basis (Details) - USD ($) $ in Thousands | Dec. 31, 2021 | Dec. 31, 2020
--- | --- | ---
Fair value of assets and liabilities |  |
Investment securities available-for-sale | $ 421,466 | $ 410,624
Equity securities | 32,402 | 27,585
Bank-owned life insurance | 42,257 | 41,262
Recurring |  |
Fair value of assets and liabilities |  |
Equity securities | 247 | 472
Loans held-for-sale |  | 1,062
Bank-owned life insurance | 42,257 |
Recurring | Level I |  |
Fair value of assets and liabilities |  |
Equity securities | 247 | 472
Loans held-for-sale |  | 0
Bank-owned life insurance | 0 |
Recurring | Level II |  |
Fair value of assets and liabilities |  |
Equity securities | 0 | 0
Loans held-for-sale |  | 1,062
Bank-owned life insurance | 42,257 |
Recurring | Level III |  |
Fair value of assets and liabilities |  |
Equity securities | 0 | 0
Loans held-for-sale |  | 0
Bank-owned life insurance | 0 |
United States government agency securities |  |
Fair value of assets and liabilities |  |
Investment securities available-for-sale | 40,437 | 53,869
United States government agency securities | Recurring |  |
Fair value of assets and liabilities |  |
Investment securities available-for-sale | 40,437 | 56,992
United States government agency securities | Recurring | Level I |  |
Fair value of assets and liabilities |  |
Investment securities available-for-sale | 0 | 0
United States government agency securities | Recurring | Level II |  |
Fair value of assets and liabilities |  |
Investment securities available-for-sale | 40,437 | 56,992
United States government agency securities | Recurring | Level III |  |
Fair value of assets and liabilities |  |
Investment securities available-for-sale | 0 | 0
United States sponsored mortgage-backed securities |  |
Fair value of assets and liabilities |  |
Investment securities available-for-sale | 76,108 | 95,769
United States sponsored mortgage-backed securities | Recurring |  |
Fair value of assets and liabilities |  |
Investment securities available-for-sale | 76,108 | 95,769
United States sponsored mortgage-backed securities | Recurring | Level I |  |
Fair value of assets and liabilities |  |
Investment securities available-for-sale | 0 | 0
United States sponsored mortgage-backed securities | Recurring | Level II |  |
Fair value of assets and liabilities |  |
Investment securities available-for-sale | 76,108 | 95,769
United States sponsored mortgage-backed securities | Recurring | Level III |  |
Fair value of assets and liabilities |  |
Investment securities available-for-sale | 0 | 0
United States treasury securities |  |
Fair value of assets and liabilities |  |
Investment securities available-for-sale | 110,389 | 3,123
United States treasury securities | Recurring |  |
Fair value of assets and liabilities |  |
Investment securities available-for-sale | 110,389 | 3,123
United States treasury securities | Recurring | Level I |  |
Fair value of assets and liabilities |  |
Investment securities available-for-sale | 0 | 0
United States treasury securities | Recurring | Level II |  |
Fair value of assets and liabilities |  |
Investment securities available-for-sale | 110,389 | 3,123
United States treasury securities | Recurring | Level III |  |
Fair value of assets and liabilities |  |
Investment securities available-for-sale | 0 | 0
Municipal securities | Recurring |  |
Fair value of assets and liabilities |  |
Investment securities available-for-sale | 175,012 | 231,887
Municipal securities | Recurring | Level I |  |
Fair value of assets and liabilities |  |
Investment securities available-for-sale | 0 | 0
Municipal securities | Recurring | Level II |  |
Fair value of assets and liabilities |  |
Investment securities available-for-sale | 133,249 | 188,208
Municipal securities | Recurring | Level III |  |
Fair value of assets and liabilities |  |
Investment securities available-for-sale | 41,763 | 43,679
Corporate debt securities |  |
Fair value of assets and liabilities |  |
Investment securities available-for-sale | 11,142 | 17,548
Corporate debt securities | Recurring |  |
Fair value of assets and liabilities |  |
Investment securities available-for-sale | 11,142 | 17,548
Corporate debt securities | Recurring | Level I |  |
Fair value of assets and liabilities |  |
Investment securities available-for-sale | 0 | 0
Corporate debt securities | Recurring | Level II |  |
Fair value of assets and liabilities |  |
Investment securities available-for-sale | 11,142 | 17,548
Corporate debt securities | Recurring | Level III |  |
Fair value of assets and liabilities |  |
Investment securities available-for-sale | 0 | 0
Other securities |  |
Fair value of assets and liabilities |  |
Investment securities available-for-sale | 878 | 928
Other securities | Recurring |  |
Fair value of assets and liabilities |  |
Investment securities available-for-sale | 878 | 18,476
Other securities | Recurring | Level I |  |
Fair value of assets and liabilities |  |
Investment securities available-for-sale | 0 | 0
Other securities | Recurring | Level II |  |
Fair value of assets and liabilities |  |
Investment securities available-for-sale | 878 | 18,476
Other securities | Recurring | Level III |  |
Fair value of assets and liabilities |  |
Investment securities available-for-sale | 0 | 0
Interest rate swap | Recurring |  |
Fair value of assets and liabilities |  |
Derivative asset | 6,702 | 13,822
Derivative liability | 6,702 | 13,822
Interest rate swap | Recurring | Level I |  |
Fair value of assets and liabilities |  |
Derivative asset | 0 | 0
Derivative liability | 0 | 0
Interest rate swap | Recurring | Level II |  |
Fair value of assets and liabilities |  |
Derivative asset | 6,702 | 13,822
Derivative liability | 6,702 | 13,822
Interest rate swap | Recurring | Level III |  |
Fair value of assets and liabilities |  |
Derivative asset | 0 | 0
Derivative liability | 0 | 0
Fair value hedge | Recurring |  |
Fair value of assets and liabilities |  |
Derivative asset | 1,552 | 2,215
Derivative liability | 807 | 2,141
Fair value hedge | Recurring | Level I |  |
Fair value of assets and liabilities |  |
Derivative asset | 0 | 0
Derivative liability | 0 | 0
Fair value hedge | Recurring | Level II |  |
Fair value of assets and liabilities |  |
Derivative asset | 1,552 | 2,215
Derivative liability | 807 | 2,141
Fair value hedge | Recurring | Level III |  |
Fair value of assets and liabilities |  |
Derivative asset | 0 | 0
Derivative liability | 0 | 0
Other debt securities |  |
Fair value of assets and liabilities |  |
Investment securities available-for-sale | 7,500 | $ 7,500
Other debt securities | Recurring |  |
Fair value of assets and liabilities |  |
Investment securities available-for-sale | 7,500 |
Other debt securities | Recurring | Level I |  |
Fair value of assets and liabilities |  |
Investment securities available-for-sale | 0 |
Other debt securities | Recurring | Level II |  |
Fair value of assets and liabilities |  |
Investment securities available-for-sale | 7,500 |
Other debt securities | Recurring | Level III |  |
Fair value of assets and liabilities |  |
Investment securities available-for-sale | $ 0 |

X
- Definition The carrying amount of a life insurance policy on an officer, executive or employee for which the reporting entity (a bank) is entitled to proceeds from the policy upon death of the insured or surrender of the insurance policy. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03(10)) -URI http://asc.fasb.org/extlink&oid=120398452&loc=d3e534808-122878 + Details
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- Definition Fair value, after the effects of master netting arrangements, of a financial asset or other contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. Includes assets not subject to a master netting arrangement and not elected to be offset. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 20 -Section 55 -Paragraph 10 -URI http://asc.fasb.org/extlink&oid=99393222&loc=SL20226008-175313 Reference 2: http://www.xbrl.org/2003/role/exampleRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 20 -Section 55 -Paragraph 22 -URI http://asc.fasb.org/extlink&oid=99393222&loc=SL20226052-175313 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 10 -URI http://asc.fasb.org/extlink&oid=123594938&loc=d3e13433-108611 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 20 -Section 50 -Paragraph 3 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=51824906&loc=SL20225862-175312 + Details
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