XML 76 R61.htm IDEA: XBRL DOCUMENT v3.20.2
Stock Compensation - Additional Information (Details) - USD ($)
$ in Millions
3 Months Ended 6 Months Ended
Jun. 30, 2020
Jun. 30, 2019
Jun. 30, 2020
Jun. 30, 2019
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Stock compensation expense $ 0.7 $ 1.3 $ 1.3 $ 2.2
Total unrecognized compensation cost related to non-vested share based compensation arrangements $ 7.1   $ 7.1  
Unrecognized compensation cost period for recognition     3 years  
Stock Options [Member]        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Period of expiration, term     10 years  
2017 Plan [Member]        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Shares authorized for grant under plan (in shares) 5,126,950   5,126,950