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LOANS AND LEASES - Schedule of Loan Modifications, Subsequently Defaulted (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2025 | Dec. 31, 2024 | Dec. 31, 2023
Financing Receivable, Modified [Line Items] |  |  |
Total loans that subsequently defaulted | $ 8.1 | $ 52.1 | $ 28.2
Term Extension |  |  |
Financing Receivable, Modified [Line Items] |  |  |
Total loans that subsequently defaulted | 4.2 | 24.1 | 22.4
Term Extension and Rate Reduction |  |  |
Financing Receivable, Modified [Line Items] |  |  |
Total loans that subsequently defaulted | 0.6 | 15.9 | 0.6
Balloon Payment |  |  |
Financing Receivable, Modified [Line Items] |  |  |
Total loans that subsequently defaulted | 0.0 | 0.7 | 0.0
Other |  |  |
Financing Receivable, Modified [Line Items] |  |  |
Total loans that subsequently defaulted | 3.3 | 11.4 | 5.2
Total commercial loans and leases |  |  |
Financing Receivable, Modified [Line Items] |  |  |
Total loans that subsequently defaulted | 5.3 | 46.3 | 27.4
Total commercial loans and leases | Term Extension |  |  |
Financing Receivable, Modified [Line Items] |  |  |
Total loans that subsequently defaulted | 2.0 | 18.7 | 21.9
Total commercial loans and leases | Term Extension and Rate Reduction |  |  |
Financing Receivable, Modified [Line Items] |  |  |
Total loans that subsequently defaulted | 0.0 | 15.5 | 0.3
Total commercial loans and leases | Balloon Payment |  |  |
Financing Receivable, Modified [Line Items] |  |  |
Total loans that subsequently defaulted | 0.0 | 0.7 | 0.0
Total commercial loans and leases | Other |  |  |
Financing Receivable, Modified [Line Items] |  |  |
Total loans that subsequently defaulted | 3.3 | 11.4 | 5.2
Total commercial loans and leases | Commercial real estate |  |  |
Financing Receivable, Modified [Line Items] |  |  |
Total loans that subsequently defaulted | 3.1 | 6.9 | 5.6
Total commercial loans and leases | Commercial real estate | Term Extension |  |  |
Financing Receivable, Modified [Line Items] |  |  |
Total loans that subsequently defaulted | 1.1 | 0.3 | 0.4
Total commercial loans and leases | Commercial real estate | Term Extension and Rate Reduction |  |  |
Financing Receivable, Modified [Line Items] |  |  |
Total loans that subsequently defaulted | 0.0 | 0.0 | 0.0
Total commercial loans and leases | Commercial real estate | Balloon Payment |  |  |
Financing Receivable, Modified [Line Items] |  |  |
Total loans that subsequently defaulted | 0.0 | 0.7 | 0.0
Total commercial loans and leases | Commercial real estate | Other |  |  |
Financing Receivable, Modified [Line Items] |  |  |
Total loans that subsequently defaulted | 2.0 | 5.9 | 5.2
Total commercial loans and leases | Commercial and industrial |  |  |
Financing Receivable, Modified [Line Items] |  |  |
Total loans that subsequently defaulted | 2.2 | 39.4 | 21.8
Total commercial loans and leases | Commercial and industrial | Term Extension |  |  |
Financing Receivable, Modified [Line Items] |  |  |
Total loans that subsequently defaulted | 0.9 | 18.4 | 21.5
Total commercial loans and leases | Commercial and industrial | Term Extension and Rate Reduction |  |  |
Financing Receivable, Modified [Line Items] |  |  |
Total loans that subsequently defaulted | 0.0 | 15.5 | 0.3
Total commercial loans and leases | Commercial and industrial | Balloon Payment |  |  |
Financing Receivable, Modified [Line Items] |  |  |
Total loans that subsequently defaulted | 0.0 | 0.0 | 0.0
Total commercial loans and leases | Commercial and industrial | Other |  |  |
Financing Receivable, Modified [Line Items] |  |  |
Total loans that subsequently defaulted | 1.3 | 5.5 | 0.0
Total consumer loans |  |  |
Financing Receivable, Modified [Line Items] |  |  |
Total loans that subsequently defaulted | 2.8 | 5.8 | 0.8
Total consumer loans | Term Extension |  |  |
Financing Receivable, Modified [Line Items] |  |  |
Total loans that subsequently defaulted | 2.2 | 5.4 | 0.5
Total consumer loans | Term Extension and Rate Reduction |  |  |
Financing Receivable, Modified [Line Items] |  |  |
Total loans that subsequently defaulted | 0.6 | 0.4 | 0.3
Total consumer loans | Balloon Payment |  |  |
Financing Receivable, Modified [Line Items] |  |  |
Total loans that subsequently defaulted | 0.0 | 0.0 | 0.0
Total consumer loans | Other |  |  |
Financing Receivable, Modified [Line Items] |  |  |
Total loans that subsequently defaulted | 0.0 | 0.0 | 0.0
Total consumer loans | Direct installment |  |  |
Financing Receivable, Modified [Line Items] |  |  |
Total loans that subsequently defaulted | 0.3 | 0.7 | 0.1
Total consumer loans | Direct installment | Term Extension |  |  |
Financing Receivable, Modified [Line Items] |  |  |
Total loans that subsequently defaulted | 0.3 | 0.7 | 0.1
Total consumer loans | Direct installment | Term Extension and Rate Reduction |  |  |
Financing Receivable, Modified [Line Items] |  |  |
Total loans that subsequently defaulted | 0.0 | 0.0 | 0.0
Total consumer loans | Direct installment | Balloon Payment |  |  |
Financing Receivable, Modified [Line Items] |  |  |
Total loans that subsequently defaulted | 0.0 | 0.0 | 0.0
Total consumer loans | Direct installment | Other |  |  |
Financing Receivable, Modified [Line Items] |  |  |
Total loans that subsequently defaulted | 0.0 | 0.0 | 0.0
Total consumer loans | Residential mortgages |  |  |
Financing Receivable, Modified [Line Items] |  |  |
Total loans that subsequently defaulted | 2.5 | 5.1 | 0.6
Total consumer loans | Residential mortgages | Term Extension |  |  |
Financing Receivable, Modified [Line Items] |  |  |
Total loans that subsequently defaulted | 1.9 | 4.7 | 0.3
Total consumer loans | Residential mortgages | Term Extension and Rate Reduction |  |  |
Financing Receivable, Modified [Line Items] |  |  |
Total loans that subsequently defaulted | 0.6 | 0.4 | 0.3
Total consumer loans | Residential mortgages | Balloon Payment |  |  |
Financing Receivable, Modified [Line Items] |  |  |
Total loans that subsequently defaulted | 0.0 | 0.0 | 0.0
Total consumer loans | Residential mortgages | Other |  |  |
Financing Receivable, Modified [Line Items] |  |  |
Total loans that subsequently defaulted | $ 0.0 | $ 0.0 | 0.0
Total consumer loans | Consumer lines of credit |  |  |
Financing Receivable, Modified [Line Items] |  |  |
Total loans that subsequently defaulted |  |  | 0.1
Total consumer loans | Consumer lines of credit | Term Extension |  |  |
Financing Receivable, Modified [Line Items] |  |  |
Total loans that subsequently defaulted |  |  | 0.1
Total consumer loans | Consumer lines of credit | Term Extension and Rate Reduction |  |  |
Financing Receivable, Modified [Line Items] |  |  |
Total loans that subsequently defaulted |  |  | 0.0
Total consumer loans | Consumer lines of credit | Balloon Payment |  |  |
Financing Receivable, Modified [Line Items] |  |  |
Total loans that subsequently defaulted |  |  | 0.0
Total consumer loans | Consumer lines of credit | Other |  |  |
Financing Receivable, Modified [Line Items] |  |  |
Total loans that subsequently defaulted |  |  | $ 0.0

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