Quarterly report pursuant to Section 13 or 15(d)

Stock-based Compensation - Schedule of Equity Compensation Plan by Arrangements (Details)

v3.19.2
Stock-based Compensation - Schedule of Equity Compensation Plan by Arrangements (Details) - 2013 Equity Compensation Plan [Member]
6 Months Ended
Jun. 30, 2019
shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Awards Reserved for Issuance 22,421,644 [1]
Awards Issued 18,806,000 [2]
Awards Available for Grant 3,616,000
[1] Increased by 4,532 thousand on January 1, 2019, representing 4% of the total number of shares of common stock outstanding on December 31, 2018.
[2] Includes both stock grants and option grants