Quarterly report pursuant to Section 13 or 15(d)

Stock-Based Compensation - Narrative (Details)

v3.20.2
Stock-Based Compensation - Narrative (Details) - shares
3 Months Ended 6 Months Ended
Jun. 30, 2020
Jun. 30, 2019
Jun. 30, 2020
Jun. 30, 2019
Dec. 31, 2019
Restricted stock awards and restricted stock units | 2018 Performance Stock Units          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Equity instruments other than options, granted (in shares)       98,492  
Restricted stock awards and restricted stock units | 2007 Stock Incentive Plan          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Equity instruments other than options, granted (in shares) 0 98,196 53,600 196,688  
Performance stock units | 2018 Performance Stock Units          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Equity instruments other options, outstanding (in shares)         40,599
Award vesting rights, percentage       100.00%