Quarterly report pursuant to Section 13 or 15(d)

Stock-based Expense Narrative (Details)

v3.10.0.1
Stock-based Expense Narrative (Details) - USD ($)
$ in Millions
3 Months Ended 6 Months Ended
Jun. 30, 2018
Jun. 30, 2018
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Stock-based expense $ (0.4) $ (0.5)
Performance-Based Restricted Stock    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Granted shares of restricted stock (in shares)   517,364