Stock-Based Compensation Expense

6 Months Ended

Jun. 30, 2020

Disclosure Of Compensation Related Costs Sharebased Payments [Abstract]

Stock-Based Compensation Expense

12. Stock-Based Compensation Expense

The following two tables show stock-based compensation expense by award type and where the stock-based compensation expense is recorded in the Company’s consolidated statements of operations:

	Three Months Ended June 30,				Six Months Ended June 30,
	2020		2019		2020		2019
	(in thousands)				(in thousands)
Options	$	1,586	$	1,381	$	3,408	$	2,672
RSUs		28,490		26,083		52,793		44,822
Employee stock purchase plan		1,298		1,199		2,636		2,375
Total stock-based compensation expense	$	31,374	$	28,663	$	58,837	$	49,869

Effect of stock-based compensation expense on income by line item:

	Three Months Ended June 30,				Six Months Ended June 30,
	2020		2019		2020		2019
	(in thousands)				(in thousands)
Cost of revenue, subscription	$	1,075	$	822	$	1,974	$	1,437
Cost of revenue, professional services and other		628		666		1,234		1,685
Research and development		10,111		10,553		18,819		17,644
Sales and marketing		12,868		10,523		23,684		18,327
General and administrative		6,692		6,099		13,126		10,776
Total stock-based compensation expense	$	31,374	$	28,663	$	58,837	$	49,869

Capitalized software development costs excluded from stock-based compensation expense is $966 thousand for the three months ended June 30, 2020, $1.8 million for the six months ended June 30, 2020, $607 thousand for the three months ended June 30, 2019, and $1.1 million for the six months ended June 30, 2019.