v3.26.3
Commitments and Contingencies - Summary of Commitments to Extend Credit on CCBX Loans (Details) - USD ($)
$ in Thousands
Sep. 30, 2026
Dec. 31, 2025
CCBX Loans    
Loss Contingencies [Line Items]    
Commitments to extend credit $ 2,496,380 $ 2,049,212
Capital call lines | CCBX Loans    
Loss Contingencies [Line Items]    
Commitments to extend credit 572,540 519,135
Residential real estate loans    
Loss Contingencies [Line Items]    
Commitments to extend credit 810,259 684,485
Residential real estate loans | CCBX Loans    
Loss Contingencies [Line Items]    
Commitments to extend credit 756,231 631,973
Consumer and other loans:    
Loss Contingencies [Line Items]    
Commitments to extend credit 205,121 68,302
Consumer and other loans: | CCBX Loans    
Loss Contingencies [Line Items]    
Commitments to extend credit 1,136,004 874,245
CCBX sold receivable commitment | CCBX Loans    
Loss Contingencies [Line Items]    
Commitments to extend credit 7,778,833 4,170,246
Commercial and industrial loans    
Loss Contingencies [Line Items]    
Commitments to extend credit 123,105 90,281
Commercial and industrial loans | CCBX Loans    
Loss Contingencies [Line Items]    
Commitments to extend credit $ 31,605 $ 23,859