REVENUE, DEFERRED REVENUE, AND REMAINING PERFORMANCE OBLIGATIONS (Tables)

6 Months Ended

Jun. 30, 2020

Revenue from Contract with Customer [Abstract]

Schedule of revenue by source

The following table sets forth the Company's sources of revenue (in thousands): 

	Three Months Ended				Six Months Ended
	June 30,				June 30,
	2020		2019		2020		2019
Subscription revenue	$	177,217	$	132,562	$	321,638	$	263,818
Professional services revenue	7,141		9,298		12,856		18,159
Total revenue	$	184,358	$	141,860	$	334,494	$	281,977

Schedule of revenue by geographic area

Revenue by geographic region, which is generally based on the address of the Company's customers as defined in their master subscription agreements, is set forth below (in thousands):

	Three Months Ended				Six Months Ended
	June 30,				June 30,
	2020		2019		2020		2019
United States	$	119,385	$	92,681	$	217,303	$	183,278
All other countries	64,973		49,179		117,191		98,699
Total revenue	$	184,358	$	141,860	$	334,494	$	281,977