Annual report pursuant to Section 13 and 15(d)

Stock-Based Payments - Restricted Stock Units Stock (Details)

v3.19.3.a.u2
Stock-Based Payments - Restricted Stock Units Stock (Details)
$ in Millions
12 Months Ended
Dec. 31, 2019
USD ($)
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]  
Vesting period 6 years
Unrecognized compensation costs $ 12.0
Period in which compensation costs will be recognized 2 years 7 months 6 days
Restricted Stock Units  
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]  
Vesting period 4 years
Vesting (as a percent) 25.00%
Unrecognized compensation costs $ 5.7
Period in which compensation costs will be recognized 2 years 8 months 12 days
Restricted Stock Units | Executive Officers  
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]  
Vesting period 3 years