v3.26.1
Stock Options and Other Equity-Based Incentive Instruments - Summary of Restricted Stock Unit (RSU) Activity (Detail) - Restricted Stock Units (RSUs)
 6 Months Ended
Jun. 30, 2026
shares
Service Condition Vesting RSUs  
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number of Shares [Roll Forward]  
Outstanding at beginning of period (in shares) 141,089
RSUs granted (in shares) 65,327
RSUs added through dividend and performance credits (in shares) 1,769
RSUs released (in shares) (79,543)
RSUs forfeited (in shares) (2,868)
Outstanding at end of period (in shares) 125,774
Market Plus Service Condition Vesting RSUs  
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number of Shares [Roll Forward]  
Outstanding at beginning of period (in shares) 145,485
RSUs granted (in shares) 49,956
RSUs added through dividend and performance credits (in shares) 0
RSUs released (in shares) (48,842)
RSUs forfeited (in shares) (4,503)
Outstanding at end of period (in shares) 142,096