Stockholders' Equity (Tables)

12 Months Ended

Dec. 31, 2018

Stockholders' Equity Note [Abstract]

Common Stock Outstanding and Reserved Shares of Common Stock for Future Issuance

As of December 31, 2018, we had 180,175,355 shares of common stock outstanding and had reserved shares of common stock for future issuance as follows: 

	December 31, 2018
Stock plans:
Options outstanding	1,810,580
RSUs (1)	10,201,660
Stock awards available for future grants:
2012 Equity Incentive Plan (2)	31,999,234
2012 Employee Stock Purchase Plan (2)	10,714,423
Total reserved shares of common stock for future issuance	54,725,897

(1) Represents the number of shares issuable upon settlement of outstanding RSUs and performance RSUs, assuming 100% of the target number of shares for performance RSUs, as discussed under the section entitled “RSUs” in Note 14.

(2) Refer to Note 14 for a description of these plans.