v3.26.3
LOANS AND LEASES - Schedule of Loan Modifications, Aging Analysis (Details) - USD ($)
$ in Millions
Sep. 30, 2026
Sep. 30, 2025
Current    
Financing Receivable, Modified [Line Items]    
Total $ 62.9 $ 32.2
30-89 Days Past Due    
Financing Receivable, Modified [Line Items]    
Total 6.2 1.8
90+ Days Past Due    
Financing Receivable, Modified [Line Items]    
Total 1.0 4.1
Total commercial loans and leases | Current    
Financing Receivable, Modified [Line Items]    
Total 57.0 23.8
Total commercial loans and leases | 30-89 Days Past Due    
Financing Receivable, Modified [Line Items]    
Total 2.8 0.8
Total commercial loans and leases | 90+ Days Past Due    
Financing Receivable, Modified [Line Items]    
Total 0.1 3.1
Total commercial loans and leases | Commercial real estate | Current    
Financing Receivable, Modified [Line Items]    
Total 36.4 20.9
Total commercial loans and leases | Commercial real estate | 30-89 Days Past Due    
Financing Receivable, Modified [Line Items]    
Total 0.2 0.0
Total commercial loans and leases | Commercial real estate | 90+ Days Past Due    
Financing Receivable, Modified [Line Items]    
Total 0.0 1.3
Total commercial loans and leases | Commercial and industrial | Current    
Financing Receivable, Modified [Line Items]    
Total 20.6 2.9
Total commercial loans and leases | Commercial and industrial | 30-89 Days Past Due    
Financing Receivable, Modified [Line Items]    
Total 2.6 0.8
Total commercial loans and leases | Commercial and industrial | 90+ Days Past Due    
Financing Receivable, Modified [Line Items]    
Total 0.1 1.8
Total consumer loans | Current    
Financing Receivable, Modified [Line Items]    
Total 5.9 8.4
Total consumer loans | 30-89 Days Past Due    
Financing Receivable, Modified [Line Items]    
Total 3.4 1.0
Total consumer loans | 90+ Days Past Due    
Financing Receivable, Modified [Line Items]    
Total 0.9 1.0
Total consumer loans | Direct installment | Current    
Financing Receivable, Modified [Line Items]    
Total 1.2 1.8
Total consumer loans | Direct installment | 30-89 Days Past Due    
Financing Receivable, Modified [Line Items]    
Total 0.2 0.0
Total consumer loans | Direct installment | 90+ Days Past Due    
Financing Receivable, Modified [Line Items]    
Total 0.1 0.3
Total consumer loans | Residential mortgages | Current    
Financing Receivable, Modified [Line Items]    
Total 4.1 5.6
Total consumer loans | Residential mortgages | 30-89 Days Past Due    
Financing Receivable, Modified [Line Items]    
Total 3.2 1.0
Total consumer loans | Residential mortgages | 90+ Days Past Due    
Financing Receivable, Modified [Line Items]    
Total 0.8 0.7
Total consumer loans | Consumer lines of credit | Current    
Financing Receivable, Modified [Line Items]    
Total 0.6 1.0
Total consumer loans | Consumer lines of credit | 30-89 Days Past Due    
Financing Receivable, Modified [Line Items]    
Total 0.0 0.0
Total consumer loans | Consumer lines of credit | 90+ Days Past Due    
Financing Receivable, Modified [Line Items]    
Total $ 0.0 $ 0.0