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Stock-Based Compensation (Details)
$ in Thousands
3 Months Ended 6 Months Ended
Jun. 30, 2021
USD ($)
shares
Jun. 30, 2020
USD ($)
shares
Jun. 30, 2021
USD ($)
qtr
shares
Jun. 30, 2020
USD ($)
shares
Share-based Compensation [Abstract]        
Stock options granted (in shares) | shares 0 0 0 0
Stock Option [Member]        
Share-based Compensation [Abstract]        
Stock-based compensation expense $ 500 $ 200 $ 500 $ 300
Restricted Stock Units [Member]        
Share-based Compensation [Abstract]        
Stock-based compensation expense $ 0 $ 0 $ 0 $ 6
Granted time-based RSUs (in shares) | shares 804,661 10,000 804,661 40,000
Aggregate fair value for time-based RSUs $ 1,400 $ 10 $ 1,400 $ 31
Number of quarters time-based RSU's will vest quarterly | qtr     8  
Granted performance-based RSUs (in shares) | shares 0 0 0 510,000
Aggregate fair value for performance-based RSUs       $ 600
Vesting period of performance based RSU's       3 years
Restricted Stock Units [Member] | Minimum [Member]        
Share-based Compensation [Abstract]        
Period in which time-based RSU's will vest annually in equal amounts     1 year  
Restricted Stock Units [Member] | Maximum [Member]        
Share-based Compensation [Abstract]        
Period in which time-based RSU's will vest annually in equal amounts     3 years