v3.26.1
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 6 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Jun. 30, 2026
Jun. 30, 2025
Mortgage Banking [Member]        
Fair Value, Option, Quantitative Disclosures [Line Items]        
Income from mortgage banking activities $ 540 $ 292 $ 65 $ 400