v3.26.1
Loans and Leases - Schedule of Loan and Lease Balances for the Originated and Acquired Portfolios (Details) - USD ($)
$ in Thousands
 6 Months Ended 12 Months Ended
Jun. 30, 2026
Dec. 31, 2025
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Balance $ 17,822,218 $ 18,029,552
Weighted Average Coupon 5.77% 5.78%
Commercial real estate    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Balance $ 7,284,918 $ 7,235,397
Multi-family mortgage    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Balance 2,242,202 2,155,980
Construction    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Balance 357,019 620,717
Commercial    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Balance 2,950,461 2,784,152
Equipment financing    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Balance 1,031,342 1,163,211
Residential mortgage    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Balance 3,150,824 3,233,425
Home equity    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Balance 665,638 695,307
Other consumer    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Balance 139,814 141,363
Commercial real estate loans    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Balance $ 9,884,139 $ 10,012,094
Weighted Average Coupon 5.57% 5.58%
Commercial real estate loans | Commercial real estate    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Balance $ 7,284,918 $ 7,235,397
Weighted Average Coupon 5.60% 5.58%
Commercial real estate loans | Multi-family mortgage    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Balance $ 2,242,202 $ 2,155,980
Weighted Average Coupon 5.33% 5.29%
Commercial real estate loans | Construction    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Balance $ 357,019 $ 620,717
Weighted Average Coupon 6.55% 6.61%
Commercial loans and leases    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Balance $ 3,981,803 $ 3,947,363
Weighted Average Coupon 6.92% 6.99%
Commercial loans and leases | Commercial    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Balance $ 2,950,461 $ 2,784,152
Weighted Average Coupon 6.29% 6.34%
Commercial loans and leases | Equipment financing    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Balance $ 1,031,342 $ 1,163,211
Weighted Average Coupon 8.71% 8.55%
Consumer loans    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Balance $ 3,956,276 $ 4,070,095
Weighted Average Coupon 5.09% 5.09%
Consumer loans | Residential mortgage    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Balance $ 3,150,824 $ 3,233,425
Weighted Average Coupon 4.83% 4.82%
Consumer loans | Home equity    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Balance $ 665,638 $ 695,307
Weighted Average Coupon 6.28% 6.30%
Consumer loans | Other consumer    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Balance $ 139,814 $ 141,363
Weighted Average Coupon 5.36% 5.25%