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Stock-Based Compensation - Restricted Stock (Details) - RowdMap
Jul. 14, 2017
$ / shares
shares
Restricted stock, performance-based  
Acquisition  
Percentage of total shares awarded 50.00%
Vesting period (in years) 1 year
Restricted stock, time-based  
Acquisition  
Percentage of total shares awarded 50.00%
Percentage vesting each anniversary 33.30%
Vesting period (in years) 3 years
Common stock | Restricted Stock  
Acquisition  
Shares issued (in shares) | shares 768,021
Fair market value per share | $ / shares $ 43.27