v3.25.2
Loans and Allowance for Credit Losses on Loans - Age Analysis (Details) - USD ($)
 6 Months Ended
Jun. 30, 2025
Jun. 30, 2024
Dec. 31, 2024
Financing Receivable, Recorded Investment, Past Due [Line Items]      
Total $ 24,026,194,000   $ 22,542,823,000
Non-accrual 113,609,000    
Non-accrual With No Allowance 8,662,000    
Non-accrual loans earning interest income on cash basis 848,000   360,000
Interest income on non-accrual loans 630,000 $ 161,000  
Interest Income Reversed 919,000 $ 668,000  
Commercial      
Financing Receivable, Recorded Investment, Past Due [Line Items]      
Total 11,930,668,000   11,145,591,000
Non-accrual 90,357,000    
Non-accrual With No Allowance 5,628,000    
Mortgage finance      
Financing Receivable, Recorded Investment, Past Due [Line Items]      
Total 5,889,589,000   5,215,574,000
Non-accrual 0    
Non-accrual With No Allowance 0    
Commercial real estate      
Financing Receivable, Recorded Investment, Past Due [Line Items]      
Total 5,665,100,000   5,616,282,000
Non-accrual 23,252,000    
Non-accrual With No Allowance 3,034,000    
Consumer      
Financing Receivable, Recorded Investment, Past Due [Line Items]      
Total 540,837,000   $ 565,376,000
Non-accrual 0    
Non-accrual With No Allowance 0    
30-59 Days Past Due      
Financing Receivable, Recorded Investment, Past Due [Line Items]      
Total 10,056,000    
30-59 Days Past Due | Commercial      
Financing Receivable, Recorded Investment, Past Due [Line Items]      
Total 2,418,000    
30-59 Days Past Due | Mortgage finance      
Financing Receivable, Recorded Investment, Past Due [Line Items]      
Total 0    
30-59 Days Past Due | Commercial real estate      
Financing Receivable, Recorded Investment, Past Due [Line Items]      
Total 5,987,000    
30-59 Days Past Due | Consumer      
Financing Receivable, Recorded Investment, Past Due [Line Items]      
Total 1,651,000    
60-89 Days Past Due      
Financing Receivable, Recorded Investment, Past Due [Line Items]      
Total 8,173,000    
60-89 Days Past Due | Commercial      
Financing Receivable, Recorded Investment, Past Due [Line Items]      
Total 4,278,000    
60-89 Days Past Due | Mortgage finance      
Financing Receivable, Recorded Investment, Past Due [Line Items]      
Total 0    
60-89 Days Past Due | Commercial real estate      
Financing Receivable, Recorded Investment, Past Due [Line Items]      
Total 3,895,000    
60-89 Days Past Due | Consumer      
Financing Receivable, Recorded Investment, Past Due [Line Items]      
Total 0    
90 Days or More Past Due      
Financing Receivable, Recorded Investment, Past Due [Line Items]      
Total 2,068,000    
90 Days or More Past Due | Commercial      
Financing Receivable, Recorded Investment, Past Due [Line Items]      
Total 1,775,000    
90 Days or More Past Due | Mortgage finance      
Financing Receivable, Recorded Investment, Past Due [Line Items]      
Total 0    
90 Days or More Past Due | Commercial real estate      
Financing Receivable, Recorded Investment, Past Due [Line Items]      
Total 293,000    
90 Days or More Past Due | Consumer      
Financing Receivable, Recorded Investment, Past Due [Line Items]      
Total 0    
Total Past Due      
Financing Receivable, Recorded Investment, Past Due [Line Items]      
Total 20,297,000    
Total Past Due | Commercial      
Financing Receivable, Recorded Investment, Past Due [Line Items]      
Total 8,471,000    
Total Past Due | Mortgage finance      
Financing Receivable, Recorded Investment, Past Due [Line Items]      
Total 0    
Total Past Due | Commercial real estate      
Financing Receivable, Recorded Investment, Past Due [Line Items]      
Total 10,175,000    
Total Past Due | Consumer      
Financing Receivable, Recorded Investment, Past Due [Line Items]      
Total 1,651,000    
Current      
Financing Receivable, Recorded Investment, Past Due [Line Items]      
Total 23,892,288,000    
Current | Commercial      
Financing Receivable, Recorded Investment, Past Due [Line Items]      
Total 11,831,840,000    
Current | Mortgage finance      
Financing Receivable, Recorded Investment, Past Due [Line Items]      
Total 5,889,589,000    
Current | Commercial real estate      
Financing Receivable, Recorded Investment, Past Due [Line Items]      
Total 5,631,673,000    
Current | Consumer      
Financing Receivable, Recorded Investment, Past Due [Line Items]      
Total $ 539,186,000