Revenue (Tables)

9 Months Ended

Sep. 30, 2020

Revenue from Contract with Customer [Abstract]

Disaggregation of Revenue

The disaggregation of revenue by region was as follows (in thousands):

	Three Months Ended September 30,				Nine Months Ended September 30,
	2020		2019		2020		2019
Revenue by region:
United States	$	81,065	$	74,710	$	227,569	$	185,388
International	48,652		28,687		107,212		76,072
Total	$	129,717	$	103,397	$	334,781	$	261,460

Deferred Contract Costs

A summary of the activity impacting our deferred commissions during the nine months ended September 30, 2020 is presented below (in thousands):

Balances at December 31, 2019	$	43,035
Additional deferred commissions	26,821
Amortization of deferred commissions	(25,470)
Effects of foreign currency translation	(97)
Balances at September 30, 2020	$	44,289