LOANS AND RELATED ALLOWANCE FOR CREDIT LOSSES - Activity in Allowance (Details) - USD ($) $ in Thousands	3 Months Ended
Mar. 31, 2025	Mar. 31, 2024
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Beginning balance	$ 42,044	$ 40,048
Provision for credit losses	496	560
Charge-offs	(665)	(227)
Recoveries	236	434
Ending balance	42,111	40,815
Commercial and industrial
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Beginning balance	5,357	4,980
Provision for credit losses	1,055	239
Charge-offs	(385)	(15)
Recoveries	59	26
Ending balance	6,086	5,230
Commercial real estate - owner occupied
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Beginning balance	3,107	2,272
Provision for credit losses	192	(117)
Charge-offs	(1)	0
Recoveries	2	2
Ending balance	3,300	2,157
Commercial real estate - non-owner occupied
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Beginning balance	11,707	7,714
Provision for credit losses	(514)	2,102
Charge-offs	0	0
Recoveries	0	242
Ending balance	11,193	10,058
Construction and land development
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Beginning balance	4,302	5,998
Provision for credit losses	324	(454)
Charge-offs	(6)	0
Recoveries	1	1
Ending balance	4,621	5,545
Multi-family
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Beginning balance	4,331	3,837
Provision for credit losses	(213)	8
Charge-offs	0	0
Recoveries	0	0
Ending balance	4,118	3,845
One-to-four family residential
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Beginning balance	3,908	5,204
Provision for credit losses	(112)	(421)
Charge-offs	(85)	(21)
Recoveries	44	84
Ending balance	3,755	4,846
Agricultural and farmland
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Beginning balance	1,170	975
Provision for credit losses	108	32
Charge-offs	0	0
Recoveries	38	7
Ending balance	1,316	1,014
Municipal, consumer, and other
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Beginning balance	8,162	9,068
Provision for credit losses	(344)	(829)
Charge-offs	(188)	(191)
Recoveries	92	72
Ending balance	$ 7,722	$ 8,120

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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+ References

No definition available.

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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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- Definition

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 6
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479319/326-20-50-6

Reference 2: 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

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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

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