v3.26.1
Goodwill and Intangible Assets - Additional Information (Detail) - USD ($)
3 Months Ended 6 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Jun. 30, 2026
Jun. 30, 2025
Dec. 31, 2025
Acquired Finite-Lived Intangible Assets [Line Items]          
Goodwill $ 130,438,000   $ 130,438,000   $ 130,438,000
Amortization of core deposit intangible assets 696,000 $ 338,000 1,392,000 $ 670,000  
Valuation allowance $ 0 $ 0 $ 0 $ 0