ALLOWANCE FOR CREDIT LOSSES - ACL for loans by loan class (Details) - USD ($) $ in Thousands	9 Months Ended	12 Months Ended
	Sep. 30, 2022	Dec. 31, 2021	Sep. 30, 2021	Dec. 31, 2020
Loan Category
Allowance for credit losses on loans	$ 32,577	$ 31,345	$ 32,208	$ 40,637
Allowance for loan losses (as a percent)	100.00%	100.00%
Loans excluding loans held for sale	$ 3,126,421	$ 2,867,524
ACL for loans to loans excluding loans held for sale	1.04%	1.09%
Commercial and industrial
Loan Category
Allowance for credit losses on loans	$ 9,397	$ 11,214	11,401	13,035
Allowance for loan losses (as a percent)	28.90%	35.70%
Commercial real estate
Loan Category
Allowance for credit losses on loans	$ 12,185	$ 11,015	11,744	13,798
Allowance for loan losses (as a percent)	37.40%	35.10%
Construction and development
Loan Category
Allowance for credit losses on loans	$ 3,964	$ 3,310	3,334	6,089
Allowance for loan losses (as a percent)	12.20%	10.60%
1-4 family residential
Loan Category
Allowance for credit losses on loans	$ 2,255	$ 2,105	1,700	2,578
Allowance for loan losses (as a percent)	6.90%	6.70%
Multifamily residential
Loan Category
Allowance for credit losses on loans	$ 2,504	$ 1,781	2,156	2,513
Allowance for loan losses (as a percent)	7.70%	5.70%
Consumer
Loan Category
Allowance for credit losses on loans	$ 371	$ 406	449	440
Allowance for loan losses (as a percent)	1.10%	1.30%
Agriculture
Loan Category
Allowance for credit losses on loans	$ 122	$ 88	$ 109	$ 137
Allowance for loan losses (as a percent)	0.40%	0.30%
Other:
Loan Category
Allowance for credit losses on loans	$ 1,779	$ 1,426
Allowance for loan losses (as a percent)	5.40%	4.60%