Stock-Based Compensation - Narrative (Details) - shares		3 Months Ended
	Jan. 01, 2020	Mar. 31, 2020	Dec. 31, 2019
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Common stock, granted (in shares)		0
2014 Stock Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares reserved for future issuance under the plan (in shares)			11,145
Additional shares authorized under the plan, percentage increase		4.50%
Automatic annual increase in shares	2,177,000
Shares transferred from the previous plan that expired or terminated (in shares)		0
Shares allocated for issuance (in shares)		13,322,000
Common stock, granted (in shares)		2,706,000
Shares available for future issuance under the plan (in shares)		6,326,000
2014 Stock Plan | Restricted Stock Units (RSUs)
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares reserved for future issuance under the plan (in shares)		5,203,000
Shares transferred from the previous plan that expired or terminated (in shares)		913,000
2007 Stock Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares available for future issuance under the plan (in shares)		0