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DISCLOSURES ABOUT FAIR VALUE OF FINANCIAL INSTRUMENTS - Schedule of financial instruments fair value (Details) $ in Thousands	6 Months Ended	12 Months Ended
	Jun. 30, 2024 USD ($)	Dec. 31, 2023 USD ($)
Subordinated debentures
DISCLOSURES ABOUT FAIR VALUE OF FINANCIAL INSTRUMENTS
Carrying Amount	$ 25,774	$ 25,774
Fair Value	$ 25,774	$ 25,774
Hierarchy Level	3	3
Subordinated notes
DISCLOSURES ABOUT FAIR VALUE OF FINANCIAL INSTRUMENTS
Carrying Amount	$ 74,727	$ 74,579
Fair Value	$ 72,938	$ 71,625
Hierarchy Level	2	2
Deposits
DISCLOSURES ABOUT FAIR VALUE OF FINANCIAL INSTRUMENTS
Carrying Amount	$ 4,615,295	$ 4,721,708
Fair Value	$ 4,610,492	$ 4,714,624
Hierarchy Level	3	3
Short-term Debt
DISCLOSURES ABOUT FAIR VALUE OF FINANCIAL INSTRUMENTS
Carrying Amount	$ 550,502	$ 323,453
Fair Value	$ 550,502	$ 323,453
Hierarchy Level	3	3
Unrecognized financial instruments (net of contractual value) | Commitments to originate loans
DISCLOSURES ABOUT FAIR VALUE OF FINANCIAL INSTRUMENTS
Hierarchy Level	3	3
Unrecognized financial instruments (net of contractual value) | Letters of credit
DISCLOSURES ABOUT FAIR VALUE OF FINANCIAL INSTRUMENTS
Carrying Amount	$ 45	$ 78
Fair Value	$ 45	$ 78
Hierarchy Level	3	3
Unrecognized financial instruments (net of contractual value) | Lines of credit
DISCLOSURES ABOUT FAIR VALUE OF FINANCIAL INSTRUMENTS
Hierarchy Level	3	3
Interest payable
DISCLOSURES ABOUT FAIR VALUE OF FINANCIAL INSTRUMENTS
Carrying Amount	$ 9,006	$ 6,225
Fair Value	$ 9,006	$ 6,225
Hierarchy Level	3	3
Loans, net of allowance for credit losses
DISCLOSURES ABOUT FAIR VALUE OF FINANCIAL INSTRUMENTS
Carrying Amount	$ 4,633,628	$ 4,589,620
Fair Value	$ 4,477,042	$ 4,402,314
Hierarchy Level	3	3
Cash and cash equivalents
DISCLOSURES ABOUT FAIR VALUE OF FINANCIAL INSTRUMENTS
Carrying Amount	$ 186,469	$ 211,333
Fair Value	$ 186,469	$ 211,333
Hierarchy Level	1	1
Held-to-maturity securities
DISCLOSURES ABOUT FAIR VALUE OF FINANCIAL INSTRUMENTS
Carrying Amount	$ 191,224	$ 195,023
Fair Value	$ 165,165	$ 171,193
Hierarchy Level	2	2
Mortgage loans held for sale
DISCLOSURES ABOUT FAIR VALUE OF FINANCIAL INSTRUMENTS
Carrying Amount	$ 13,116	$ 5,849
Fair Value	$ 13,116	$ 5,849
Hierarchy Level	2	2
Interest Receivable
DISCLOSURES ABOUT FAIR VALUE OF FINANCIAL INSTRUMENTS
Carrying Amount	$ 22,420	$ 21,206
Fair Value	$ 22,420	$ 21,206
Hierarchy Level	3	3
Investment in FHLB stock and other assets
DISCLOSURES ABOUT FAIR VALUE OF FINANCIAL INSTRUMENTS
Carrying Amount	$ 30,052	$ 26,313
Fair Value	$ 30,052	$ 26,313
Hierarchy Level	3	3

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+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 940
-SubTopic 320
-Name Accounting Standards Codification
-Section 45
-Paragraph 2
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479035/940-320-45-2

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