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LOANS AND ALLOWANCE FOR LOAN LOSSES - Loans by Portfolio Segment (Details) - USD ($) $ in Thousands	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Loans and Leases Receivable Disclosure [Abstract]
Loans	$ 4,524,510	$ 4,147,691
Less: Allowance for loan losses	42,674	36,515	$ 35,273	$ 49,006
Net loans	4,481,836	4,111,176
Construction real estate loans
Loans and Leases Receivable Disclosure [Abstract]
Loans	789,744	559,681
Less: Allowance for loan losses	5,287	3,164	3,787	6,490
1-4 family residential real estate loans
Loans and Leases Receivable Disclosure [Abstract]
Loans	696,738	663,519
Less: Allowance for loan losses	2,840	2,173	1,866	2,270
Commercial real estate loans
Loans and Leases Receivable Disclosure [Abstract]
Loans	2,168,451	1,987,707
Less: Allowance for loan losses	32,266	28,701	26,980	35,709
Commercial loans
Loans and Leases Receivable Disclosure [Abstract]
Loans	366,893	412,064
Less: Allowance for loan losses	2,086	2,235	2,397	4,107
Municipal loans
Loans and Leases Receivable Disclosure [Abstract]
Loans	441,168	450,067
Less: Allowance for loan losses	19	45	47	46
Loans to individuals
Loans and Leases Receivable Disclosure [Abstract]
Loans	61,516	74,653
Less: Allowance for loan losses	$ 176	$ 197	$ 196	$ 384

X

- Definition

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

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 326
-SubTopic 20
-Name Accounting Standards Codification
-Section 45
-Paragraph 1
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147479344/326-20-45-1

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- Definition

Amortized cost excluding accrued interest, after allowance for credit loss, of financing receivable. Excludes net investment in lease.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 326
-SubTopic 20
-Name Accounting Standards Codification
-Section 45
-Paragraph 1
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147479344/326-20-45-1

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- Definition

Amortized cost excluding accrued interest, before allowance for credit loss, of financing receivable. Excludes net investment in lease.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 326
-SubTopic 20
-Name Accounting Standards Codification
-Section 45
-Paragraph 1
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147479344/326-20-45-1

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 326
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 3B
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147479319/326-20-50-3B

Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Topic 326
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 5
-Subparagraph (b)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147479319/326-20-50-5

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