LOANS AND RELATED ALLOWANCE FOR CREDIT LOSSES - Activity in Allowance (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Beginning balance	$ 40,048	$ 25,333
PCD allowance established in acquisition		1,247
Provision for credit losses	560	5,101
Charge-offs	(227)	(142)
Recoveries	434	254
Ending balance	40,815	38,776
Commercial and industrial
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Beginning balance	4,980	3,279
PCD allowance established in acquisition		69
Provision for credit losses	239	387
Charge-offs	(15)	0
Recoveries	26	19
Ending balance	5,230	2,932
Commercial real estate - owner occupied
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Beginning balance	2,272	1,193
PCD allowance established in acquisition		127
Provision for credit losses	(117)	619
Charge-offs	0	(3)
Recoveries	2	12
Ending balance	2,157	2,535
Commercial real estate - non-owner occupied
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Beginning balance	7,714	6,721
PCD allowance established in acquisition		239
Provision for credit losses	2,102	305
Charge-offs	0	0
Recoveries	242	74
Ending balance	10,058	7,840
Construction and land development
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Beginning balance	5,998	4,223
PCD allowance established in acquisition		240
Provision for credit losses	(454)	1,139
Charge-offs	0	0
Recoveries	1	3
Ending balance	5,545	7,574
Multi-family
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Beginning balance	3,837	1,472
PCD allowance established in acquisition		68
Provision for credit losses	8	526
Charge-offs	0	0
Recoveries	0	0
Ending balance	3,845	2,151
One-to-four family residential
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Beginning balance	5,204	1,759
PCD allowance established in acquisition		492
Provision for credit losses	(421)	1,081
Charge-offs	(21)	(22)
Recoveries	84	58
Ending balance	4,846	4,165
Agricultural and farmland
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Beginning balance	975	796
PCD allowance established in acquisition		5
Provision for credit losses	32	305
Charge-offs	0	0
Recoveries	7	1
Ending balance	1,014	2,674
Municipal, consumer, and other
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Beginning balance	9,068	5,890
PCD allowance established in acquisition		7
Provision for credit losses	(829)	739
Charge-offs	(191)	(117)
Recoveries	72	87
Ending balance	8,120	$ 8,905
Cumulative Effect, Period of Adoption, Adjustment
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Beginning balance	6,983
Cumulative Effect, Period of Adoption, Adjustment | Commercial and industrial
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Beginning balance	(822)
Cumulative Effect, Period of Adoption, Adjustment | Commercial real estate - owner occupied
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Beginning balance	587
Cumulative Effect, Period of Adoption, Adjustment | Commercial real estate - non-owner occupied
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Beginning balance	501
Cumulative Effect, Period of Adoption, Adjustment | Construction and land development
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Beginning balance	1,969
Cumulative Effect, Period of Adoption, Adjustment | Multi-family
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Beginning balance	85
Cumulative Effect, Period of Adoption, Adjustment | One-to-four family residential
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Beginning balance	797
Cumulative Effect, Period of Adoption, Adjustment | Agricultural and farmland
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Beginning balance	1,567
Cumulative Effect, Period of Adoption, Adjustment | Municipal, consumer, and other
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Beginning balance	$ 2,299