INVESTMENT SECURITIES - Available for sale securities (Details) - USD ($) $ in Thousands	3 Months Ended	12 Months Ended
Mar. 31, 2023	Dec. 31, 2022
AVAILABLE-FOR-SALE SECURITIES:
Amortized Cost	$ 546,780	$ 553,214
Gross Unrealized Gains	511	119
Gross Unrealized Losses	53,961	62,741
Fair Value	493,330	490,592
Agency mortgage-backed securities
AVAILABLE-FOR-SALE SECURITIES:
Amortized Cost	323,471	327,266
Gross Unrealized Losses	36,083	40,784
Fair Value	287,388	286,482
Agency collateralized mortgage obligations
AVAILABLE-FOR-SALE SECURITIES:
Amortized Cost	89,673	90,205
Gross Unrealized Losses	9,914	11,731
Fair Value	79,759	78,474
States and political subdivisions securities
AVAILABLE-FOR-SALE SECURITIES:
Amortized Cost	59,533	60,667
Gross Unrealized Gains	379	119
Gross Unrealized Losses	2,006	3,291
Fair Value	57,906	57,495
Small Business Administration securities
AVAILABLE-FOR-SALE SECURITIES:
Amortized Cost	74,103	75,076
Gross Unrealized Gains	132
Gross Unrealized Losses	5,958	6,935
Fair Value	$ 68,277	$ 68,141

Represents the monetary amount of Available for Sale Securities Fair Value, as of the indicated date.

No definition available.

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- Definition

Amortized cost of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 320
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (a)
-URI https://asc.fasb.org/extlink&oid=126970911&loc=d3e27161-111563

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 326
-SubTopic 30
-Section 45
-Paragraph 1
-URI https://asc.fasb.org/extlink&oid=124258926&loc=SL82898722-210454

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Amount of unrealized gain on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 320
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (b)
-URI https://asc.fasb.org/extlink&oid=126970911&loc=d3e27161-111563

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Amount of unrealized loss on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 320
-SubTopic 10
-Section 50
-Paragraph 2
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-URI https://asc.fasb.org/extlink&oid=126970911&loc=d3e27161-111563

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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