v3.26.1
Loans and Allowance for Credit Losses - Schedule of the Company's Loan participations (Details) - USD ($)
$ in Thousands
 6 Months Ended 12 Months Ended
Jun. 30, 2026
Dec. 31, 2025
Financing Receivable, Allowance for Credit Loss [Line Items]    
Balance $ 3,036,443 $ 3,306,370
Non-performing Loan Rate (%) 0.80% 1.68%
Gross Charge-offs $ 10,000 $ 10,301
Commercial and industrial | Commercial Portfolio Segment    
Financing Receivable, Allowance for Credit Loss [Line Items]    
Balance $ 1,829,088 $ 1,504,012
Non-performing Loan Rate (%) 0.17% 0.64%
Gross Charge-offs $ 6,500 $ 5,004
Commercial real estate | Commercial Portfolio Segment    
Financing Receivable, Allowance for Credit Loss [Line Items]    
Balance $ 1,109,079 $ 1,611,130
Non-performing Loan Rate (%) 1.91% 1.84%
Gross Charge-offs $ 3,500 $ 5,282
Commercial construction | Commercial Portfolio Segment    
Financing Receivable, Allowance for Credit Loss [Line Items]    
Balance $ 98,276 $ 190,156
Non-performing Loan Rate (%) 0.00% 8.61%
Gross Charge-offs $ 0 $ 0
Business banking | Commercial Portfolio Segment    
Financing Receivable, Allowance for Credit Loss [Line Items]    
Balance $ 0 $ 1,072
Non-performing Loan Rate (%) 0.00% 0.00%
Gross Charge-offs $ 0 $ 15