v3.26.3
Fair Value Measurements - Schedule of Changes in Fair Value Included in Earnings of Financial Instruments for which Fair Value Option has been Elected (Detail) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Sep. 30, 2026
Sep. 30, 2025
Sep. 30, 2026
Sep. 30, 2025
Mortgage Banking [Member]        
Fair Value, Option, Quantitative Disclosures [Line Items]        
Income from mortgage banking activities $ (830) $ (424) $ (765) $ (12)