LOAN PERFORMANCE - Nonaccrual loans, segregated by loan class (Details) - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020
Nonaccrual loans
Total nonaccrual loans	$ 22,568	$ 24,017
Commercial and industrial
Nonaccrual loans
Total nonaccrual loans	9,090	12,588
Commercial real estate
Nonaccrual loans
Total nonaccrual loans	11,512	10,665
Construction and development
Nonaccrual loans
Total nonaccrual loans	142	238
1-4 family residential
Nonaccrual loans
Total nonaccrual loans	1,784	$ 526
Consumer
Nonaccrual loans
Total nonaccrual loans	$ 40

Amount of financing receivable on nonaccrual status.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 7
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=123577603&loc=d3e5111-111524

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 326
-SubTopic 20
-Section 50
-Paragraph 16
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=124255953&loc=SL82919258-210447

Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Publisher SEC
-Name Regulation S-K (SK)
-Number 229
-Section 1405
-Paragraph (a)
-Subparagraph (3)

Reference 4: http://www.xbrl.org/2003/role/disclosureRef
-Publisher SEC
-Name Regulation S-K (SK)
-Number 229
-Section 1405
-Paragraph (a)
-Subparagraph (2)

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant