v3.26.1
Equity Incentive Plans and Stock-Based Compensation - Schedule of Shares Available for Grant (Parenthetical) (Details) - Stock compensation plan
 3 Months Ended
Mar. 31, 2026
shares
Stock-based compensation  
Nonvested equity stock and stock units granted (in shares) (25,498) [1]
Award date, Period 1  
Stock-based compensation  
Conversion factor used to calculate the decrease in the number of shares available for grant resulting from the grant of restricted stock awards 1.5
Conversion factor used to calculate the increase in the number of shares available for grant resulting from the forfeiture of restricted stock awards 1.5
Award date, Period 2  
Stock-based compensation  
Conversion factor used to calculate the decrease in the number of shares available for grant resulting from the grant of restricted stock awards 1
Conversion factor used to calculate the increase in the number of shares available for grant resulting from the forfeiture of restricted stock awards 1
[1] For purposes of determining the number of shares available for grant under the 2015 Equity Incentive Plan against the maximum number of shares authorized, each restricted stock unit granted prior to April 27, 2023 reduces the number of shares available for grant by 1.5 shares and each restricted stock unit forfeited increases shares available for grant by 1.5 shares. Each restricted stock unit granted on or after April 27, 2023 reduces the number of shares available for grant by 1.0 share and each restricted stock unit forfeited increases shares available for grant by 1.0 share.