v3.26.1
Loans and Allowance for Credit Losses - Schedule of the Company's Loan participations (Details) - USD ($)
$ in Thousands
 3 Months Ended 12 Months Ended
Mar. 31, 2026
Dec. 31, 2025
Financing Receivable, Allowance for Credit Loss [Line Items]    
Balance $ 2,710,889 $ 3,306,370
Non-performing Loan Rate (%) 0.74% 1.68%
Gross Charge-offs $ 8,000 $ 10,301
Commercial and industrial | Commercial Portfolio Segment    
Financing Receivable, Allowance for Credit Loss [Line Items]    
Balance $ 1,454,063 $ 1,504,012
Non-performing Loan Rate (%) 0.22% 0.64%
Gross Charge-offs $ 6,500 $ 5,004
Commercial real estate | Commercial Portfolio Segment    
Financing Receivable, Allowance for Credit Loss [Line Items]    
Balance $ 1,174,332 $ 1,611,130
Non-performing Loan Rate (%) 1.45% 1.84%
Gross Charge-offs $ 1,500 $ 5,282
Commercial construction | Commercial Portfolio Segment    
Financing Receivable, Allowance for Credit Loss [Line Items]    
Balance $ 82,214 $ 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 $ 280 $ 1,072
Non-performing Loan Rate (%) 0.00% 0.00%
Gross Charge-offs $ 0 $ 15