Revenue (Tables)

3 Months Ended

Mar. 31, 2020

Revenue from Contract with Customer [Abstract]

Disaggregation of Revenue

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

	Three Months Ended March 31,
	2020		2019
Revenue by region:
United States	$	80,535	$	52,896
International	28,296		23,124
Total	$	108,831	$	76,020

Deferred Contract Costs

A summary of the activity impacting our deferred commissions during the three months ended March 31, 2020 is presented below (in thousands):

Balances at December 31, 2019	$	43,035
Additional deferred commissions	7,899
Amortization of deferred commissions	(8,331		)
Effects of foreign currency translation	(747		)
Balances at March 31, 2020	$	41,856