Annual report pursuant to Section 13 and 15(d)

Stock-Based Compensation - Schedule of Modified Stock Options (Details)

v3.20.4
Stock-Based Compensation - Schedule of Modified Stock Options (Details) - USD ($)
$ / shares in Units, $ in Millions
12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Number of Shares (in thousands)    
Number of Shares, Outstanding, Beginning of Period (in shares) 442,100  
Number of Shares, Outstanding, Ending of Period (in shares) 442,100  
Weighted Average Exercise Price (per share)    
Outstanding, beginning of period (in dollars per share) $ 12.85  
Outstanding, end of period (in dollars per share) $ 12.85  
Additional Stock Option Activity Disclosures    
Aggregate Intrinsic Value, Outstanding $ 0.0 $ 0.0