v3.26.1
Loans - Activity in Loans Held for Sale (Detail) - USD ($)
$ in Thousands
 3 Months Ended 6 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Jun. 30, 2026
Jun. 30, 2025
Financing Receivable, Reclassification From Portfolio Loans To Loans Held For Sale [Roll Forward]        
Balance at beginning of period $ 4,932 $ 11,831 $ 7,403 $ 8,579
Originations and transfers     128,320 108,610
Payments For Origination And Transfers Loans Held For Sale 67,211 73,190 129,753 108,610
Sales (54,757) (35,388) (119,000) (67,553)
Principal paydowns and amortization (417) (22) (1,187) (25)
Balance at end of period 16,969 49,611 16,969 49,611
Real Estate        
Financing Receivable, Reclassification From Portfolio Loans To Loans Held For Sale [Roll Forward]        
Balance at beginning of period 2,714 5,015 4,985 3,994
Payments For Origination And Transfers Loans Held For Sale 53,118 56,000 104,742 74,615
Sales (42,541) (15,601) (95,668) (33,195)
Principal paydowns and amortization (1) (2) (769) (2)
Balance at end of period 13,290 45,412 13,290 45,412
Commercial and Industrial        
Financing Receivable, Reclassification From Portfolio Loans To Loans Held For Sale [Roll Forward]        
Balance at beginning of period 2,218 6,816 2,418 4,585
Payments For Origination And Transfers Loans Held For Sale 14,093 17,190 25,011 33,995
Sales (12,216) (19,787) (23,332) (34,358)
Principal paydowns and amortization (416) (20) (418) (23)
Balance at end of period $ 3,679 $ 4,199 $ 3,679 $ 4,199