Stock-Based Compensation (Tables)

3 Months Ended

Mar. 31, 2020

Share-based Payment Arrangement [Abstract]

Schedule of Share-based Payment Award, Employee Stock Purchase Plan, Valuation Assumptions

The Company used the Black-Scholes model to estimate the fair value of the 2015 ESPP awards with the following weighted-average assumptions:

	Three Months Ended
	March 31, 2020	March 31, 2019
Expected volatility factor	0.21 - 0.22	0.26 - 0.29
Risk free interest rate	1.56% - 2.06%	2.19% - 2.49%
Expected dividend yield	1.20% - 1.39%	1.27% - 1.31%
Expected life (in years)	0.5	0.5

Schedule of Total Stock-based Compensation Recognized by Income Statement Classification

The detail of the total stock-based compensation recognized by income statement classification is as follows (in thousands):

	Three Months Ended
Income Statement Classifications	March 31, 2020		March 31, 2019
Cost of subscription, support and services	$	2,762	$	2,202
Research and development	21,596		27,837
Sales, marketing and services	20,386		19,926
General and administrative	13,579		15,269
Total	$	58,323	$	65,234