LOANS AND RELATED ALLOWANCE FOR CREDIT LOSSES - Activity in Allowance (Details) - USD ($) $ in Thousands	3 Months Ended	9 Months Ended
Sep. 30, 2025	Sep. 30, 2024	Sep. 30, 2025	Sep. 30, 2024
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Beginning balance	$ 41,659	$ 40,806	$ 42,044	$ 40,048
Provision for credit losses	375	746	1,466	1,983
Charge-offs	(723)	(1,101)	(2,640)	(2,198)
Recoveries	589	515	1,030	1,133
Ending balance	41,900	40,966	41,900	40,966
Commercial and industrial
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Beginning balance	6,310	4,761	5,357	4,980
Provision for credit losses	110	980	2,002	1,219
Charge-offs	(398)	(734)	(1,442)	(1,242)
Recoveries	459	27	564	77
Ending balance	6,481	5,034	6,481	5,034
Commercial real estate - owner occupied
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Beginning balance	3,311	2,191	3,107	2,272
Provision for credit losses	342	36	514	(49)
Charge-offs	(114)	(6)	(115)	(6)
Recoveries	3	10	36	14
Ending balance	3,542	2,231	3,542	2,231
Commercial real estate - non-owner occupied
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Beginning balance	11,635	9,816	11,707	7,714
Provision for credit losses	212	(598)	140	1,247
Charge-offs	0	0	0	0
Recoveries	0	329	0	586
Ending balance	11,847	9,547	11,847	9,547
Construction and land development
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Beginning balance	3,450	6,155	4,302	5,998
Provision for credit losses	(604)	423	(1,452)	578
Charge-offs	0	0	(8)	0
Recoveries	0	0	4	2
Ending balance	2,846	6,578	2,846	6,578
Multi-family
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Beginning balance	4,554	3,712	4,331	3,837
Provision for credit losses	272	78	538	141
Charge-offs	0	0	(43)	(188)
Recoveries	0	0	0	0
Ending balance	4,826	3,790	4,826	3,790
One-to-four family residential
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Beginning balance	3,677	4,785	3,908	5,204
Provision for credit losses	(117)	26	82	(470)
Charge-offs	(31)	(125)	(548)	(200)
Recoveries	57	44	144	196
Ending balance	3,586	4,730	3,586	4,730
Agricultural and farmland
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Beginning balance	1,558	1,059	1,170	975
Provision for credit losses	(151)	226	190	302
Charge-offs	(15)	0	(24)	0
Recoveries	11	2	67	10
Ending balance	1,403	1,287	1,403	1,287
Municipal, consumer, and other
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Beginning balance	7,164	8,327	8,162	9,068
Provision for credit losses	311	(425)	(548)	(985)
Charge-offs	(165)	(236)	(460)	(562)
Recoveries	59	103	215	248
Ending balance	$ 7,369	$ 7,769	$ 7,369	$ 7,769

Amount excluding accrued interest, of allowance for credit loss on financing receivable. Excludes net investment in lease.

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 326
-SubTopic 20
-Name Accounting Standards Codification
-Section 45
-Paragraph 1
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479344/326-20-45-1

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Amount, excluding accrued interest, of increase in allowance for credit loss on financing receivable from recovery. Excludes net investment in lease.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 326
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 13
-Subparagraph (e)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479319/326-20-50-13

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Amount, excluding accrued interest, of decrease in allowance for credit loss on financing receivable from writeoff. Excludes net investment in lease.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 326
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 13
-Subparagraph (d)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479319/326-20-50-13

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 326
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 6
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479319/326-20-50-6

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Amount, excluding accrued interest, of credit loss expense (reversal of expense) on financing receivable. Excludes net investment in lease.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 326
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 13
-Subparagraph (b)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479319/326-20-50-13

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 220
-SubTopic 40
-Name Accounting Standards Codification
-Section 50
-Paragraph 22
-Subparagraph (a)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147476148/220-40-50-22

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