Annual report pursuant to Section 13 and 15(d)

Stock-Based Compensation - Narrative (Details)

v3.22.0.1
Stock-Based Compensation - Narrative (Details) - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Share-based compensation, number of shares authorized (in shares) 4,500,000    
Restricted Stock      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Unrecognized compensation cost $ 0.8    
Weighted-average period of unrecognized compensation cost 1 year    
Compensation expense $ 1.2 $ 2.0 $ 4.2