v3.26.1
Goodwill and Intangible Assets - Additional Information (Detail) - USD ($)
3 Months Ended
Mar. 31, 2026
Mar. 31, 2025
Dec. 31, 2025
Acquired Finite-Lived Intangible Assets [Line Items]      
Goodwill $ 130,438,000   $ 130,438,000
Amortization of core deposit intangible assets 696,000 $ 332,000  
Valuation allowance $ 0   $ 0