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LOANS AND ALLOWANCE FOR CREDIT LOSSES - Summary of Loans by Type (Details) - USD ($) $ in Thousands	Mar. 31, 2024	Dec. 31, 2023	Mar. 31, 2023	Dec. 31, 2022
LOANS AND ALLOWANCE FOR CREDIT LOSSES
Loans receivable	$ 1,872,449	$ 1,848,139
Allowance for credit losses on loans	(20,023)	(19,208)	$ (18,346)	$ (16,615)
Loans, net	1,852,426	1,828,931
Commercial | Commercial real estate - non-owner occupied
LOANS AND ALLOWANCE FOR CREDIT LOSSES
Loans receivable	739,829	737,342
Allowance for credit losses on loans	(12,533)	(12,010)	(9,654)	(6,305)
Commercial | Commercial real estate - owner occupied
LOANS AND ALLOWANCE FOR CREDIT LOSSES
Loans receivable	250,145	237,246
Allowance for credit losses on loans	(2,718)	(2,116)	(1,942)	(1,942)
Commercial | All other commercial loans
LOANS AND ALLOWANCE FOR CREDIT LOSSES
Loans receivable	412,805	399,693
Allowance for credit losses on loans	(3,580)	(2,918)	(3,580)	(4,142)
Residential mortgage loans
LOANS AND ALLOWANCE FOR CREDIT LOSSES
Loans receivable	409,663	413,714
Allowance for credit losses on loans	(769)	(1,764)	(2,864)	(2,751)
Consumer loans
LOANS AND ALLOWANCE FOR CREDIT LOSSES
Loans receivable	60,007	60,144
Allowance for credit losses on loans	$ (423)	$ (400)	$ (306)	$ (475)

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Amount excluding accrued interest, of allowance for credit loss on financing receivable. Excludes net investment in lease.

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Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 326
-SubTopic 20
-Name Accounting Standards Codification
-Section 45
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-Publisher FASB
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Amortized cost excluding accrued interest, after allowance for credit loss, of financing receivable. Excludes net investment in lease.

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Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 326
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-Section 45
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Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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-URI https://asc.fasb.org//1943274/2147479344/326-20-45-1

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