ALLOWANCE FOR CREDIT LOSSES - Loans individually evaluated and collectively evaluated (Details) - USD ($) $ in Thousands	9 Months Ended
Sep. 30, 2022	Dec. 31, 2021
Loan Impairment Assessment
Individually Evaluated Loans	$ 51,942	$ 59,272
Collectively Evaluated Loans	3,083,949	2,817,155
Total Loans	3,135,891	2,876,427
Loans Collateral	1,500
Nonaccrual loans had no related ACL	15,900	16,000
Nonaccrual loans ACL	0
Commercial and industrial
Loan Impairment Assessment
Individually Evaluated Loans	10,932	16,579
Collectively Evaluated Loans	557,139	617,805
Total Loans	568,071	634,384
Commercial real estate
Loan Impairment Assessment
Individually Evaluated Loans	18,705	21,057
Collectively Evaluated Loans	1,223,413	1,070,912
Total Loans	1,242,118	1,091,969
Construction and development
Loan Impairment Assessment
Individually Evaluated Loans	10,464	12,716
Collectively Evaluated Loans	497,106	448,003
Total Loans	507,570	460,719
1-4 family residential
Loan Impairment Assessment
Individually Evaluated Loans	3,202	3,355
Collectively Evaluated Loans	285,254	273,918
Total Loans	288,456	277,273
Multifamily residential
Loan Impairment Assessment
Collectively Evaluated Loans	370,391	286,396
Total Loans	370,391	286,396
Consumer
Loan Impairment Assessment
Individually Evaluated Loans	116	125
Collectively Evaluated Loans	24,393	27,965
Total Loans	24,509	28,090
Agriculture
Loan Impairment Assessment
Collectively Evaluated Loans	11,185	7,941
Total Loans	11,185	7,941
Other
Loan Impairment Assessment
Individually Evaluated Loans	8,523	5,440
Collectively Evaluated Loans	115,068	84,215
Total Loans	$ 123,591	$ 89,655

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Allowance for credit loss for nonaccrual loans.

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- Definition

The valuation allowance for financing receivables that are expected to be uncollectible that were collectively evaluated for impairment.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 11B
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Amount of valuation allowance for financing receivables that are expected to be uncollectible that were individually evaluated for impairment.

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Amount excluding accrued interest, before allowance for credit loss, of financing receivable classified as current.

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Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 326
-SubTopic 20
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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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Reflects the carrying amount of loans deemed to be questionable as to collection on which no interest is continuing to be recognized.

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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
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