Employee Benefits And Stock-Based Compensation (Tables)

12 Months Ended

Dec. 31, 2020

Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]

Classification Of Stock-Based Compensation

The following table presents the classification of stock-based compensation:

	Year Ended December 31,
	2020		2019		2018
	(In thousands)
Cost of revenues	$	6,321	$	6,739	$	6,835
Sales and marketing	3,453		3,755		4,972
Research and development	7,137		6,370		6,728
General and administrative	31,332		33,762		33,969
Total stock-based compensation	$	48,243	$	50,626	$	52,504

Nature Of Total Stock-Based Compensation

The following table presents the nature of the Company’s total stock-based compensation:

	Year Ended December 31,
	2020		2019		2018
	(In thousands)
RSUs	$	38,217	$	36,930	$	38,005
PSUs	7,380		10,522		12,403
ESPP	4,429		4,864		4,166
Capitalization (Included in Property and equipment, net)	(1,783)		(1,690)		(2,070)
Total stock-based compensation expenses	$	48,243	$	50,626	$	52,504

Summary Of Unvested RSUs Activity

The following table summarizes unvested RSUs activity for the year ended December 31, 2020:

	Shares	Weighted-Average Grant-Date Fair Value
	(Shares in thousands)
Unvested at beginning of period	876	$	121.21
Granted	279	$	205.61
PSU achievement adjustment	79	$	20.41
Vested and settled	(551)	$	95.70
Forfeited	(22)	$	155.98
	661	$	164.83