Revenue (Tables)

9 Months Ended

Sep. 30, 2020

The following table presents revenue disaggregated by revenue source and pattern of revenue recognition (in thousands):


	Three Months Ended September 30,
	2020						2019
	Over Time		Point In Time		Total Revenues		Over Time		Point In Time		Total Revenues
Time and materials contracts	$	114,581	$	—	$	114,581	$	99,961	$	—	$	99,961
Fixed fee percent complete contracts	13,920		—		13,920		9,465		—		9,465
Fixed fee contracts	22,836		—		22,836		26,548		—		26,548
Reimbursable expenses	1,513		—		1,513		3,887		—		3,887
Total professional services fees	152,850		—		152,850		139,861		—		139,861
Other services revenue*	3,368		537		3,905		3,483		716		4,199
Total services	156,218		537		156,755		143,344		716		144,060
Software and hardware	—		923		923		—		624		624
Total revenues	$	156,218	$	1,460	$	157,678	$	143,344	$	1,340	$	144,684

* Other services revenue primarily consists of hosting fees, maintenance, training, internally developed SaaS revenue and partner referral fees.


	Nine Months Ended September 30,
	2020						2019
	Over Time		Point In Time		Total Revenues		Over Time		Point In Time		Total Revenues
Time and materials contracts	$	316,866	$	—	$	316,866	$	284,423	$	—	$	284,423
Fixed fee percent complete contracts	39,556		—		39,556		32,337		—		32,337
Fixed fee contracts	72,124		—		72,124		76,683		—		76,683
Reimbursable expenses	7,437		—		7,437		12,191		—		12,191
Total professional services fees	435,983		—		435,983		405,634		—		405,634
Other services revenue*	10,314		1,696		12,010		10,352		2,174		12,526
Total services	446,297		1,696		447,993		415,986		2,174		418,160
Software and hardware	—		1,586		1,586		—		2,208		2,208
Total revenues	$	446,297	$	3,282	$	449,579	$	415,986	$	4,382	$	420,368

* Other services revenue primarily consists of hosting fees, maintenance, training, internally developed SaaS revenue and partner referral fees.

The following table presents revenue disaggregated by geographic area, as determined by the billing address of customers (in thousands):


	Three Months Ended September 30,				Nine Months Ended September 30,
	2020		2019		2020		2019
United States	$	154,078	$	141,849	$	440,140	$	410,813
Canada	603		913		2,565		2,195
Other countries	2,997		1,922		6,874		7,360
Total revenues	$	157,678	$	144,684	$	449,579	$	420,368