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+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 310
-SubTopic 20
-Name Accounting Standards Codification
-Section 40
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Reference 2: http://www.xbrl.org/2003/role/disclosureRef
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Amount excluding accrued interest, of allowance for credit loss on financing receivable. Excludes net investment in lease.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 326
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Amortized cost excluding accrued interest, after allowance for credit loss, of financing receivable. Excludes net investment in lease.

+ References

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Amount excluding accrued interest, of increase in financing receivable from purchase. Excludes net investment in lease.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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Amount of allowance for credit loss at acquisition date of financing receivable purchased with credit deterioration.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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Amount at par value of financing receivable purchased with credit deterioration.

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Amount at purchase price of financing receivable purchased with credit deterioration.

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Amount of discount (premium) attributable to other factors on financing receivable purchased with credit deterioration.

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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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LOANS AND ALLOWANCE FOR CREDIT LOSSES - PCD Loans (Details) - USD ($) $ in Thousands		3 Months Ended	12 Months Ended
	Jul. 31, 2025	Mar. 31, 2026	Dec. 31, 2025	Mar. 31, 2025	Dec. 31, 2024
Accounts, Notes, Loans and Financing Receivable [Line Items]
Provision for credit loss expense		$ 0
Allowance for credit losses		34,315	$ 34,052	$ 28,614	$ 28,744
Carrying Value		3,550,933	3,571,807
Tax exempt and other
Accounts, Notes, Loans and Financing Receivable [Line Items]
Allowance for credit losses		111	119
Municipal and other
Accounts, Notes, Loans and Financing Receivable [Line Items]
Allowance for credit losses				112	128
Home Equity
Accounts, Notes, Loans and Financing Receivable [Line Items]
Allowance for credit losses		777	814	744	741
Total commercial loans \| Commercial construction
Accounts, Notes, Loans and Financing Receivable [Line Items]
Allowance for credit losses		4,328	4,371	2,065	2,096
Total commercial real estate \| Commercial Real Estate Owner Occupied
Accounts, Notes, Loans and Financing Receivable [Line Items]
Allowance for credit losses		3,627	4,045	2,830	2,794
Total commercial real estate \| Commercial Real Estate Non-Owner Occupied
Accounts, Notes, Loans and Financing Receivable [Line Items]
Allowance for credit losses		13,809	12,837	10,923	11,104
Total commercial and industrial \| Commercial and Industrial
Accounts, Notes, Loans and Financing Receivable [Line Items]
Allowance for credit losses		5,549	5,378	5,414	5,064
Total residential real estate \| Residential real estate
Accounts, Notes, Loans and Financing Receivable [Line Items]
Allowance for credit losses		5,972	6,350	6,447	6,732
Total consumer \| Consumer other
Accounts, Notes, Loans and Financing Receivable [Line Items]
Allowance for credit losses		142	138	$ 79	$ 85
Acquired PCD loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Allowance for credit losses		749	751
Unpaid Principal Balance		9,578	9,726
Carrying Value		9,115	9,234
Fair value of PCD loans at acquisition	$ 8,887
Non-credit related discount	713
Allowance for credit losses on PCD loans	1,622
Par value of PCD loans at acquisition	$ 11,222
Acquired PCD loans \| Commercial Real Estate Owner Occupied
Accounts, Notes, Loans and Financing Receivable [Line Items]
Unpaid Principal Balance		1,081	1,103
Carrying Value		1,012	1,032
Acquired PCD loans \| Commercial Real Estate Non-Owner Occupied
Accounts, Notes, Loans and Financing Receivable [Line Items]
Unpaid Principal Balance		4,594	4,632
Carrying Value		4,335	4,359
Acquired PCD loans \| Commercial and Industrial
Accounts, Notes, Loans and Financing Receivable [Line Items]
Unpaid Principal Balance		2,083	2,139
Carrying Value		2,051	2,104
Acquired PCD loans \| Residential real estate
Accounts, Notes, Loans and Financing Receivable [Line Items]
Unpaid Principal Balance		1,275	1,306
Carrying Value		1,191	1,221
Acquired PCD loans \| Home Equity
Accounts, Notes, Loans and Financing Receivable [Line Items]
Unpaid Principal Balance		505	506
Carrying Value		488	479
Acquired PCD loans \| Consumer other
Accounts, Notes, Loans and Financing Receivable [Line Items]
Unpaid Principal Balance		40	40
Carrying Value		$ 38	$ 39