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

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.

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 210
-Section S99
-Paragraph 1
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Fair value portion of loans held-for-sale including, but not limited to, mortgage loans and finance receivables.

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