Revenues (Tables)

12 Months Ended

Dec. 31, 2022

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


	Year Ended December 31, 2022
	Over Time		Point In Time		Total Revenues
Time and materials contracts	$	696,040	$	—	$	696,040
Fixed fee percent complete contracts	52,183		—		52,183
Fixed fee contracts	135,053		—		135,053
Reimbursable expenses	9,371		—		9,371
Total professional services fees	892,647		—		892,647
Other services revenue*	7,663		2,111		9,774
Total services	900,310		2,111		902,421
Software and hardware	—		2,641		2,641
Total revenues	$	900,310	$	4,752	$	905,062


	Year Ended December 31, 2021
	Over Time		Point In Time		Total Revenues
Time and materials contracts	$	577,674	$	—	$	577,674
Fixed fee percent complete contracts	49,117		—		49,117
Fixed fee contracts	107,698		—		107,698
Reimbursable expenses	10,677		—		10,677
Total professional services fees	745,166		—		745,166
Other services revenue*	11,320		2,236		13,556
Total services	756,486		2,236		758,722
Software and hardware	—		2,305		2,305
Total revenues	$	756,486	$	4,541	$	761,027


	Year Ended December 31, 2020
	Over Time		Point In Time		Total Revenues
Time and materials contracts	$	436,466	$	—	$	436,466
Fixed fee percent complete contracts	51,752		—		51,752
Fixed fee contracts	95,237		—		95,237
Reimbursable expenses	10,110		—		10,110
Total professional services fees	593,565		—		593,565
Other services revenue*	13,536		2,482		16,018
Total services	607,101		2,482		609,583
Software and hardware	—		2,550		2,550
Total revenues	$	607,101	$	5,032	$	612,133

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

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