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LOANS AND ALLOWANCE FOR LOAN LOSSES - Loans by Portfolio Segment (Details) - USD ($) $ in Thousands	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Loans and Leases Receivable Disclosure [Abstract]
Loans	$ 4,147,691	$ 3,645,162
Less: Allowance for loan losses	36,515	35,273	$ 49,006	$ 24,797
Total loans	4,111,176	3,609,889
Construction real estate loans
Loans and Leases Receivable Disclosure [Abstract]
Loans	559,681	447,860
Less: Allowance for loan losses	3,164	3,787	6,490	3,539
1-4 family residential real estate loans
Loans and Leases Receivable Disclosure [Abstract]
Loans	663,519	651,140
Less: Allowance for loan losses	2,173	1,866	2,270	3,833
Commercial real estate loans
Loans and Leases Receivable Disclosure [Abstract]
Loans	1,987,707	1,598,172
Less: Allowance for loan losses	28,701	26,980	35,709	9,572
Commercial loans
Loans and Leases Receivable Disclosure [Abstract]
Loans	412,064	418,998
Less: Allowance for loan losses	2,235	2,397	4,107	6,351
Municipal loans
Loans and Leases Receivable Disclosure [Abstract]
Loans	450,067	443,078
Less: Allowance for loan losses	45	47	46	570
Loans to individuals
Loans and Leases Receivable Disclosure [Abstract]
Loans	74,653	85,914
Less: Allowance for loan losses	$ 197	$ 196	$ 384	$ 932

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
-Publisher FASB
-Name Accounting Standards Codification
-Topic 326
-SubTopic 20
-Section 45
-Paragraph 1
-URI https://asc.fasb.org/extlink&oid=124255206&loc=SL82895884-210446

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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
-Publisher FASB
-Name Accounting Standards Codification
-Topic 326
-SubTopic 20
-Section 45
-Paragraph 1
-URI https://asc.fasb.org/extlink&oid=124255206&loc=SL82895884-210446

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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/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 326
-SubTopic 20
-Section 50
-Paragraph 5
-Subparagraph (b)
-URI https://asc.fasb.org/extlink&oid=124255953&loc=SL82919230-210447

Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 326
-SubTopic 20
-Section 45
-Paragraph 1
-URI https://asc.fasb.org/extlink&oid=124255206&loc=SL82895884-210446

Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 326
-SubTopic 20
-Section 50
-Paragraph 3B
-URI https://asc.fasb.org/extlink&oid=124255953&loc=SL120267963-210447

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