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LOANS AND CREDIT QUALITY - Activity in Allowance for Credit Losses by Portfolio Segment (Details) - USD ($) $ in Thousands | 3 Months Ended | 12 Months Ended
--- | --- | ---
Mar. 31, 2026 | Mar. 31, 2025 | Dec. 31, 2025
Allowance for credit losses on loans |  |  |
Beginning balance | $ 153,319 | $ 88,558 | $ 88,558
Provision (reversal of provision) for credit losses | 7,593 | (3,752) |
Loans charged off | (7,205) | (12,217) |
Recoveries | 3,089 | 2,926 |
Ending balance | 156,796 | 75,515 | 153,319
Commercial and Industrial |  |  |
Allowance for credit losses on loans |  |  |
Beginning balance | 8,417 | 4,869 | 4,869
Provision (reversal of provision) for credit losses | 408 | (458) |
Loans charged off | (131) | (117) | (8,398)
Recoveries | 166 | 3 |
Ending balance | 8,860 | 4,297 | 8,417
Commercial Real Estate |  |  |
Allowance for credit losses on loans |  |  |
Beginning balance | 114,326 | 35,097 | 35,097
Provision (reversal of provision) for credit losses | 6,321 | (102) |
Loans charged off | 0 | 0 |
Recoveries | 111 | 0 |
Ending balance | 120,758 | 34,995 | 114,326
Residential Real Estate |  |  |
Allowance for credit losses on loans |  |  |
Beginning balance | 13,294 | 4,656 | 4,656
Provision (reversal of provision) for credit losses | (26) | 107 |
Loans charged off | (1) | 0 | (105)
Recoveries | 354 | 0 |
Ending balance | 13,621 | 4,763 | 13,294
Auto |  |  |
Allowance for credit losses on loans |  |  |
Beginning balance | 15,003 | 41,282 | 41,282
Provision (reversal of provision) for credit losses | 565 | (3,629) |
Loans charged off | (6,420) | (11,506) | (40,679)
Recoveries | 2,298 | 2,788 |
Ending balance | 11,446 | 28,935 | 15,003
Other Consumer |  |  |
Allowance for credit losses on loans |  |  |
Beginning balance | 2,279 | 2,654 | 2,654
Provision (reversal of provision) for credit losses | 325 | 330 |
Loans charged off | (653) | (594) | (2,411)
Recoveries | 160 | 135 |
Ending balance | $ 2,111 | $ 2,525 | $ 2,279

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- Definition 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 -SubTopic 20 -Name Accounting Standards Codification -Section 45 -Paragraph 1 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479344/326-20-45-1 + Details
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- Definition 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 + Details
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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 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 + Details
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