SECURITIES - Securities with unrealized losses (Details) - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020
Investment securities
Fair Value - Less Than Twelve Months	$ 180,901	$ 7,176
Gross Unrealized Losses - Less Than Twelve Months	(2,511)	(30)
Fair Value - Twelve Months or More	498
Gross Unrealized Losses - Twelve Months or More	(7)
State and municipal securities
Investment securities
Fair Value - Less Than Twelve Months	36,962	263
Gross Unrealized Losses - Less Than Twelve Months	(387)
Fair Value - Twelve Months or More	257
Gross Unrealized Losses - Twelve Months or More	(5)
U.S. Treasury securities
Investment securities
Fair Value - Less Than Twelve Months	11,797
Gross Unrealized Losses - Less Than Twelve Months	(91)
Callable debentures
Investment securities
Fair Value - Less Than Twelve Months	2,973
Gross Unrealized Losses - Less Than Twelve Months	(27)
Collateralized mortgage obligations
Investment securities
Fair Value - Less Than Twelve Months	40,776	6,913
Gross Unrealized Losses - Less Than Twelve Months	(860)	$ (30)
Fair Value - Twelve Months or More	241
Gross Unrealized Losses - Twelve Months or More	(2)
Mortgage-backed securities
Investment securities
Fair Value - Less Than Twelve Months	87,220
Gross Unrealized Losses - Less Than Twelve Months	(1,130)
Equity securities
Investment securities
Fair Value - Less Than Twelve Months	1,173
Gross Unrealized Losses - Less Than Twelve Months	$ (16)

Amount of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), in continuous unrealized loss position for more than 12 months, without allowance for credit loss. Includes beneficial interest in securitized financial asset.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 326
-SubTopic 30
-Section 50
-Paragraph 5
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Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 320
-SubTopic 10
-Section 50
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Amount of accumulated unrealized loss on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), in continuous unrealized loss position for 12 months or longer, without allowance for credit loss. Includes beneficial interest in securitized financial asset.

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Amount of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), in continuous unrealized loss position for less than 12 months, without allowance for credit loss. Includes beneficial interest in securitized financial asset.

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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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-URI http://asc.fasb.org/extlink&oid=123581744&loc=d3e27337-111563

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
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-URI http://asc.fasb.org/extlink&oid=124269663&loc=SL82922890-210455

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Amount of accumulated unrealized loss on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), in continuous unrealized loss position for less than 12 months, without allowance for credit loss. Includes beneficial interest in securitized financial asset.

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