Quarterly report pursuant to Section 13 or 15(d)

Stock-Based Compensation - Narrative (Details)

v3.19.3
Stock-Based Compensation - Narrative (Details) - shares
3 Months Ended 9 Months Ended
Sep. 30, 2019
Sep. 30, 2018
Sep. 30, 2019
Sep. 30, 2018
May 01, 2019
Stock-Based compensation          
Maximum number of shares available for future issuance (in shares) 2,227,462   2,227,462    
Statutory rate (as a percent) 26.10% 25.30% 26.10% 25.30%  
PIEtech Acquisition | Restricted Stock Units and Performance Stock Units | Equity Plan          
Stock-Based compensation          
Number of shares authorized (in shares)         301,469
PIEtech Acquisition | Restricted Stock Units and Performance Stock Units | Minimum | Equity Plan          
Stock-Based compensation          
Vesting period     3 years    
PIEtech Acquisition | Restricted Stock Units and Performance Stock Units | Maximum | Equity Plan          
Stock-Based compensation          
Vesting period     5 years