v3.26.1
Loans Receivable - Loan Portfolio by Portfolio Segment and by Class of Financing Receivable (Details) - USD ($)
$ in Thousands
Jun. 30, 2026
Mar. 31, 2026
Dec. 31, 2025
Jun. 30, 2025
Mar. 31, 2025
Dec. 31, 2024
Accounts, Notes, Loans and Financing Receivable [Line Items]            
Total loans receivable $ 13,229,227   $ 13,007,316      
Allowance for credit losses 149,321 $ 150,045 150,212 $ 129,159 $ 122,809 $ 116,819
Nonaccrual loans 91,351   107,283     61,401
Loans 90 days past due and accruing 573   646      
Personal Banking            
Accounts, Notes, Loans and Financing Receivable [Line Items]            
Total loans receivable 7,342,123   7,172,202      
Allowance for credit losses 45,423 47,603 47,457 39,805 42,351 43,464
Nonaccrual loans 21,927   21,713     15,311
Loans 90 days past due and accruing 477   602      
Personal Banking | Residential mortgage loans            
Accounts, Notes, Loans and Financing Receivable [Line Items]            
Total loans receivable 3,001,908   3,100,780      
Allowance for credit losses 10,174 9,895 10,546 12,089 13,275 14,347
Nonaccrual loans 11,766   12,247     6,951
Loans 90 days past due and accruing 0   0      
Personal Banking | Home equity loans            
Accounts, Notes, Loans and Financing Receivable [Line Items]            
Total loans receivable 1,497,157   1,507,532      
Allowance for credit losses 6,211 6,340 6,149 4,216 4,624 4,845
Nonaccrual loans 5,370   3,755     3,332
Loans 90 days past due and accruing 0   0      
Personal Banking | Vehicle loans            
Accounts, Notes, Loans and Financing Receivable [Line Items]            
Total loans receivable 2,700,189   2,426,636      
Allowance for credit losses 24,744 26,346 25,945 21,234 22,455 22,389
Nonaccrual loans 4,649   5,493     4,829
Loans 90 days past due and accruing 0   0      
Personal Banking | Consumer loans            
Accounts, Notes, Loans and Financing Receivable [Line Items]            
Total loans receivable 142,869   137,254      
Allowance for credit losses 4,294 5,022 4,817 2,266 1,997 1,883
Nonaccrual loans 142   218     199
Loans 90 days past due and accruing 477   602      
Commercial Banking            
Accounts, Notes, Loans and Financing Receivable [Line Items]            
Total loans receivable 5,887,104   5,835,114      
Allowance for credit losses 103,898 102,442 102,755 89,354 80,458 73,355
Nonaccrual loans 69,424   85,570     46,090
Loans 90 days past due and accruing 96   44      
Commercial Banking | Commercial real estate loans            
Accounts, Notes, Loans and Financing Receivable [Line Items]            
Total loans receivable 2,610,861   2,915,696      
Allowance for credit losses 54,091 56,604 58,234 53,624 45,583 44,328
Nonaccrual loans 45,920   56,223     36,183
Loans 90 days past due and accruing 0   0      
Commercial Banking | Commercial real estate loans - owner occupied            
Accounts, Notes, Loans and Financing Receivable [Line Items]            
Total loans receivable 377,376   381,206      
Allowance for credit losses 5,016 5,030 4,679 4,130 4,187 3,882
Nonaccrual loans 1,520   1,262     784
Loans 90 days past due and accruing 0   0      
Commercial Banking | Commercial and industrial loans            
Accounts, Notes, Loans and Financing Receivable [Line Items]            
Total loans receivable 2,898,867   2,538,212      
Allowance for credit losses 44,791 $ 40,808 39,842 $ 31,600 $ 30,688 25,145
Nonaccrual loans 21,984   28,085     $ 9,123
Loans 90 days past due and accruing $ 96   $ 44