INVESTMENT SECURITIES - Amortized Cost and Estimated Fair Value of Securities Held-to-Maturity (Details) - USD ($) $ in Thousands	Dec. 31, 2022	Dec. 31, 2021
Schedule of Held-to-maturity Securities [Line Items]
Amortized Cost	$ 134,864	$ 79,850
Gross Unrealized Gains	0	4
Gross Unrealized Losses	(20,326)	(1,648)
Estimated Fair Value	114,538	78,206
State, county and municipal securities
Schedule of Held-to-maturity Securities [Line Items]
Amortized Cost	31,905	8,905
Gross Unrealized Gains	0	4
Gross Unrealized Losses	(5,380)	(198)
Estimated Fair Value	26,525	8,711
Mortgage-backed securities
Schedule of Held-to-maturity Securities [Line Items]
Amortized Cost	102,959	70,945
Gross Unrealized Gains	0	0
Gross Unrealized Losses	(14,946)	(1,450)
Estimated Fair Value	$ 88,013	$ 69,495

Amount excluding accrued interest, after allowance for credit loss, of investment in debt security measured at amortized cost (held-to-maturity).

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 320
-SubTopic 10
-Section 50
-Paragraph 5
-Subparagraph (f)
-URI https://asc.fasb.org/extlink&oid=126970911&loc=d3e27232-111563

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 320
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-Section 50
-Paragraph 5
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Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
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-Section 45
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Amount of accumulated unrecognized gain on investment in debt security measured at amortized cost (held-to-maturity).

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Amount of accumulated unrealized loss on investment in debt security measured at amortized cost (held-to-maturity).

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Fair value of investment in debt security measured at amortized cost (held-to-maturity).

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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 320
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Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
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