Revenue (Tables)

9 Months Ended

Sep. 30, 2022

Revenue from Contract with Customer [Abstract]

Disaggregation of revenue

The following tables present revenue disaggregated by revenue source and pattern of revenue recognition (in thousands):

	Three Months Ended September 30,
	2022						2021
	Over Time		Point In Time		Total Revenues		Over Time		Point In Time		Total Revenues
Time and materials contracts	$	176,296	$	—	$	176,296	$	146,675	$	—	$	146,675
Fixed fee percent complete contracts	11,248		—		11,248		11,572		—		11,572
Fixed fee contracts	35,033		—		35,033		28,678		—		28,678
Reimbursable expenses	2,110		—		2,110		2,316		—		2,316
Total professional services fees	224,687		—		224,687		189,241		—		189,241
Other services revenue*	1,921		436		2,357		2,694		484		3,178
Total services	226,608		436		227,044		191,935		484		192,419
Software and hardware	—		570		570		—		401		401
Total revenues	$	226,608	$	1,006	$	227,614	$	191,935	$	885	$	192,820

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

	Nine Months Ended September 30,
	2022						2021
	Over Time		Point In Time		Total Revenues		Over Time		Point In Time		Total Revenues
Time and materials contracts	$	518,480	$	—	$	518,480	$	414,540	$	—	$	414,540
Fixed fee percent complete contracts	39,157		—		39,157		35,252		—		35,252
Fixed fee contracts	99,335		—		99,335		77,726		—		77,726
Reimbursable expenses	6,497		—		6,497		7,132		—		7,132
Total professional services fees	663,469		—		663,469		534,650		—		534,650
Other services revenue*	5,833		1,439		7,272		8,691		1,583		10,274
Total services	669,302		1,439		670,741		543,341		1,583		544,924
Software and hardware	—		1,722		1,722		—		1,373		1,373
Total revenues	$	669,302	$	3,161	$	672,463	$	543,341	$	2,956	$	546,297

*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,
	2022		2021		2022		2021
United States	$	216,362	$	189,334	$	640,287	$	535,491
Other countries	11,252		3,486		32,176		10,806
Total revenues	$	227,614	$	192,820	$	672,463	$	546,297