Quarterly report pursuant to Section 13 or 15(d)

Stock Based Compensation - Narrative (Details)

v3.21.2
Stock Based Compensation - Narrative (Details) - USD ($)
$ in Millions
9 Months Ended
Sep. 30, 2021
Sep. 30, 2020
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Number of shares authorized (in shares) 4,500,000  
Restricted Stock    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Fair value of the award as of the modification dates or grant date $ 1.0  
Unrecognized compensation cost 1 year 2 months 12 days  
Compensation expense $ 0.9 $ 1.6