SECURITIES - Available-for-sale Securities (Details) - USD ($) $ in Thousands	Mar. 31, 2023	Dec. 31, 2022
Available-for-sale Securities
Available-for-sale securities, amortized cost	$ 527,589	$ 561,794
Available-for-sale securities, gross unrealized holding gains	350	321
Available-for-sale securities, gross unrealized holding losses	(55,125)	(64,082)
Available-for-sale debt securities, at fair value	472,814	498,033
Obligations of the U.S. Treasury
Available-for-sale Securities
Available-for-sale securities, amortized cost	33,924	35,166
Available-for-sale securities, gross unrealized holding gains	0	0
Available-for-sale securities, gross unrealized holding losses	(2,761)	(3,330)
Available-for-sale debt securities, at fair value	31,163	31,836
Obligations of U.S. Government agencies
Available-for-sale Securities
Available-for-sale securities, amortized cost	25,479	25,938
Available-for-sale securities, gross unrealized holding gains	0	0
Available-for-sale securities, gross unrealized holding losses	(2,131)	(2,508)
Available-for-sale debt securities, at fair value	23,348	23,430
Bank holding company debt securities
Available-for-sale Securities
Available-for-sale securities, amortized cost	28,947	28,945
Available-for-sale securities, gross unrealized holding gains	0	0
Available-for-sale securities, gross unrealized holding losses	(4,224)	(3,559)
Available-for-sale debt securities, at fair value	24,723	25,386
Obligations Of States And Political Subdivisions Tax Exempt
Available-for-sale Securities
Available-for-sale securities, amortized cost	128,285	146,149
Available-for-sale securities, gross unrealized holding gains	330	319
Available-for-sale securities, gross unrealized holding losses	(10,803)	(13,845)
Available-for-sale debt securities, at fair value	117,812	132,623
Obligations Of States And Political Subdivisions Taxable
Available-for-sale Securities
Available-for-sale securities, amortized cost	67,076	68,488
Available-for-sale securities, gross unrealized holding gains	0	0
Available-for-sale securities, gross unrealized holding losses	(9,504)	(11,676)
Available-for-sale debt securities, at fair value	57,572	56,812
Residential Passthrough Securities
Available-for-sale Securities
Available-for-sale securities, amortized cost	109,028	112,782
Available-for-sale securities, gross unrealized holding gains	0	0
Available-for-sale securities, gross unrealized holding losses	(11,221)	(12,841)
Available-for-sale debt securities, at fair value	97,807	99,941
Residential Collateralized Mortgage Obligations
Available-for-sale Securities
Available-for-sale securities, amortized cost	42,296	44,868
Available-for-sale securities, gross unrealized holding gains	0	0
Available-for-sale securities, gross unrealized holding losses	(4,179)	(4,572)
Available-for-sale debt securities, at fair value	38,117	40,296
Commercial Mortgage Backed Securities
Available-for-sale Securities
Available-for-sale securities, amortized cost	84,449	91,388
Available-for-sale securities, gross unrealized holding gains	10	0
Available-for-sale securities, gross unrealized holding losses	(10,264)	(11,702)
Available-for-sale debt securities, at fair value	74,195	79,686
Private label commercial mortgage-backed securities
Available-for-sale Securities
Available-for-sale securities, amortized cost	8,105	8,070
Available-for-sale securities, gross unrealized holding gains	10	2
Available-for-sale securities, gross unrealized holding losses	(38)	(49)
Available-for-sale debt securities, at fair value	$ 8,077	$ 8,023

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

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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- Definition

Amount, before tax, of unrealized loss in accumulated other comprehensive income (AOCI) 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 (c)
-URI https://asc.fasb.org/extlink&oid=126970911&loc=d3e27161-111563

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- Definition

Amortized cost excluding accrued interest, before allowance for credit loss, 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 326
-SubTopic 30
-Section 45
-Paragraph 1
-URI https://asc.fasb.org/extlink&oid=124258926&loc=SL82898722-210454

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- Definition

Amount excluding accrued interest, 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/2009/role/commonPracticeRef
-Publisher FASB
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-Topic 326
-SubTopic 30
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-URI https://asc.fasb.org/extlink&oid=124258926&loc=SL82898722-210454

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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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