Revenue (Tables)

6 Months Ended

Jun. 30, 2021

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


	Three Months Ended June 30,
	2021						2020
	Over Time		Point In Time		Total Revenues		Over Time		Point In Time		Total Revenues
Time and materials contracts	$	139,274	$	—	$	139,274	$	102,294	$	—	$	102,294
Fixed fee percent complete contracts	12,100		—		12,100		14,015		—		14,015
Fixed fee contracts	26,571		—		26,571		24,260		—		24,260
Reimbursable expenses	2,562		—		2,562		1,530		—		1,530
Total professional services fees	180,507		—		180,507		142,099		—		142,099
Other services revenue*	2,880		388		3,268		3,316		421		3,737
Total services	183,387		388		183,775		145,415		421		145,836
Software and hardware	—		361		361		—		503		503
Total revenues	$	183,387	$	749	$	184,136	$	145,415	$	924	$	146,339

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


	Six Months Ended June 30,
	2021						2020
	Over Time		Point In Time		Total Revenues		Over Time		Point In Time		Total Revenues
Time and materials contracts	$	267,865	$	—	$	267,865	$	202,285	$	—	$	202,285
Fixed fee percent complete contracts	23,680		—		23,680		25,636		—		25,636
Fixed fee contracts	49,048		—		49,048		49,288		—		49,288
Reimbursable expenses	4,816		—		4,816		5,924		—		5,924
Total professional services fees	345,409		—		345,409		283,133		—		283,133
Other services revenue*	5,997		1,099		7,096		6,946		1,159		8,105
Total services	351,406		1,099		352,505		290,079		1,159		291,238
Software and hardware	—		972		972		—		663		663
Total revenues	$	351,406	$	2,071	$	353,477	$	290,079	$	1,822	$	291,901

* 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):