Annual report pursuant to Section 13 and 15(d)

Stock-based Compensation - Employee Stock Purchase Plan (Details)

v3.10.0.1
Stock-based Compensation - Employee Stock Purchase Plan (Details) - shares
shares in Thousands
1 Months Ended 12 Months Ended
Jun. 30, 2017
Dec. 31, 2018
Dec. 31, 2017
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Employer matching percentage   50.00% 100.00%
ESPP      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Shares reserved for future issuance (in shares) 500    
Employer matching percentage 25.00%    
Maximum annual contribution percentage 85.00%