Annual report pursuant to Section 13 and 15(d)

Stock-Based Payments - Weighted-Average Assumptions to Estimate Fair Value of Stock Options (Details)

v3.22.0.1
Stock-Based Payments - Weighted-Average Assumptions to Estimate Fair Value of Stock Options (Details) - $ / shares
12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Stock Option      
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]      
Weighted-average grant date fair value of options granted (in dollars per share) $ 5.33 $ 5.30 $ 5.05