v3.26.1
LOANS AND LEASES - Schedule of Loan Modifications, Aging Analysis (Details) - USD ($)
$ in Millions
Mar. 31, 2026
Mar. 31, 2025
Current    
Financing Receivable, Modified [Line Items]    
Total $ 47.0 $ 48.0
30-89 Days Past Due    
Financing Receivable, Modified [Line Items]    
Total 4.7 2.2
90+ Days Past Due    
Financing Receivable, Modified [Line Items]    
Total 0.4 0.4
Total commercial loans and leases | Current    
Financing Receivable, Modified [Line Items]    
Total 38.3 39.0
Total commercial loans and leases | 30-89 Days Past Due    
Financing Receivable, Modified [Line Items]    
Total 1.9 0.0
Total commercial loans and leases | 90+ Days Past Due    
Financing Receivable, Modified [Line Items]    
Total 0.0 0.0
Total commercial loans and leases | Commercial real estate | Current    
Financing Receivable, Modified [Line Items]    
Total 30.8 20.2
Total commercial loans and leases | Commercial real estate | 30-89 Days Past Due    
Financing Receivable, Modified [Line Items]    
Total 1.8 0.0
Total commercial loans and leases | Commercial real estate | 90+ Days Past Due    
Financing Receivable, Modified [Line Items]    
Total 0.0 0.0
Total commercial loans and leases | Commercial and industrial | Current    
Financing Receivable, Modified [Line Items]    
Total 7.5 18.8
Total commercial loans and leases | Commercial and industrial | 30-89 Days Past Due    
Financing Receivable, Modified [Line Items]    
Total 0.1 0.0
Total commercial loans and leases | Commercial and industrial | 90+ Days Past Due    
Financing Receivable, Modified [Line Items]    
Total 0.0 0.0
Total consumer loans | Current    
Financing Receivable, Modified [Line Items]    
Total 8.7 9.0
Total consumer loans | 30-89 Days Past Due    
Financing Receivable, Modified [Line Items]    
Total 2.8 2.2
Total consumer loans | 90+ Days Past Due    
Financing Receivable, Modified [Line Items]    
Total 0.4 0.4
Total consumer loans | Direct installment | Current    
Financing Receivable, Modified [Line Items]    
Total 1.5 1.2
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 0.0 0.0
Total consumer loans | Residential mortgages | Current    
Financing Receivable, Modified [Line Items]    
Total 6.5 7.0
Total consumer loans | Residential mortgages | 30-89 Days Past Due    
Financing Receivable, Modified [Line Items]    
Total 2.6 2.0
Total consumer loans | Residential mortgages | 90+ Days Past Due    
Financing Receivable, Modified [Line Items]    
Total 0.4 0.4
Total consumer loans | Consumer lines of credit | Current    
Financing Receivable, Modified [Line Items]    
Total 0.7 0.8
Total consumer loans | Consumer lines of credit | 30-89 Days Past Due    
Financing Receivable, Modified [Line Items]    
Total 0.0 0.2
Total consumer loans | Consumer lines of credit | 90+ Days Past Due    
Financing Receivable, Modified [Line Items]    
Total $ 0.0 $ 0.0