REVENUES

6 Months Ended

Jun. 30, 2020

Revenue from Contract with Customer [Abstract]

REVENUES

REVENUES

Disaggregation of Revenues

The following tables present the disaggregation of the Company’s revenues by customer location, including a reconciliation of the disaggregated revenues with the reportable segments (Note 13 “Segment Information”) for the periods indicated:

	Three Months Ended June 30, 2020
	Reportable Segments
	North America		Europe		Russia		Consolidated Revenues
Customer Locations
North America	$	370,693	$	10,835	$	408	$	381,936
Europe	11,195		199,866		3		211,064
CIS	2,236		4		19,838		22,078
APAC	705		16,600		—		17,305
Revenues	$	384,829	$	227,305	$	20,249	$	632,383

	Six Months Ended June 30, 2020
	Reportable Segments
	North America		Europe		Russia		Consolidated Revenues
Customer Locations
North America	$	748,477	$	21,254	$	2,035	$	771,766
Europe	21,527		412,588		6		434,121
CIS	4,790		16		42,132		46,938
APAC	1,137		29,780		—		30,917
Revenues	$	775,931	$	463,638	$	44,173	$	1,283,742

	Three Months Ended June 30, 2019
	Reportable Segments
	North America		Europe		Russia		Consolidated Revenues
Customer Locations
North America	$	323,221	$	11,551	$	16	$	334,788
Europe	5,219		172,027		99		177,345
CIS	2,005		—		23,086		25,091
APAC	580		13,783		—		14,363
Revenues	$	331,025	$	197,361	$	23,201	$	551,587

	Six Months Ended June 30, 2019
	Reportable Segments
	North America		Europe		Russia		Consolidated Revenues
Customer Locations
North America	$	626,966	$	24,442	$	32	$	651,440
Europe	9,966		340,647		240		350,853
CIS	3,744		13		39,508		43,265
APAC	1,038		26,324		—		27,362
Revenues	$	641,714	$	391,426	$	39,780	$	1,072,920

The following tables present the disaggregation of the Company’s revenues by industry vertical, including a reconciliation of the disaggregated revenues with the reportable segments (Note 13 “Segment Information”) for the periods indicated:

	Three Months Ended June 30, 2020
	Reportable Segments
	North America		Europe		Russia		Consolidated Revenues
Industry Verticals
Business Information & Media	$	81,481	$	58,338	$	439	$	140,258
Financial Services	47,687		66,655		13,633		127,975
Software & Hi-Tech	100,801		18,165		519		119,485
Travel & Consumer	52,193		51,253		3,824		107,270
Life Sciences & Healthcare	61,776		7,069		39		68,884
Emerging Verticals	40,891		25,825		1,795		68,511
Revenues	$	384,829	$	227,305	$	20,249	$	632,383

	Six Months Ended June 30, 2020
	Reportable Segments
	North America		Europe		Russia		Consolidated Revenues
Industry Verticals
Business Information & Media	$	161,701	$	116,484	$	799	$	278,984
Financial Services	95,555		134,249		29,814		259,618
Software & Hi-Tech	202,538		36,311		2,485		241,334
Travel & Consumer	106,917		112,320		7,563		226,800
Life Sciences & Healthcare	123,387		14,688		48		138,123
Emerging Verticals	85,833		49,586		3,464		138,883
Revenues	$	775,931	$	463,638	$	44,173	$	1,283,742

	Three Months Ended June 30, 2019
	Reportable Segments
	North America		Europe		Russia		Consolidated Revenues
Industry Verticals
Business Information & Media	$	62,340	$	35,691	$	104	$	98,135
Financial Services	43,517		58,879		18,009		120,405
Software & Hi-Tech	85,600		19,440		478		105,518
Travel & Consumer	48,178		56,175		2,761		107,114
Life Sciences & Healthcare	54,287		4,907		4		59,198
Emerging Verticals	37,103		22,269		1,845		61,217
Revenues	$	331,025	$	197,361	$	23,201	$	551,587

	Six Months Ended June 30, 2019
	Reportable Segments
	North America		Europe		Russia		Consolidated Revenues
Industry Verticals
Business Information & Media	$	124,701	$	68,222	$	244	$	193,167
Financial Services	81,911		120,714		31,041		233,666
Software & Hi-Tech	164,721		39,810		918		205,449
Travel & Consumer	95,178		111,377		4,885		211,440
Life Sciences & Healthcare	104,443		9,463		66		113,972
Emerging Verticals	70,760		41,840		2,626		115,226
Revenues	$	641,714	$	391,426	$	39,780	$	1,072,920

The following tables present the disaggregation of the Company’s revenues by contract type including a reconciliation of the disaggregated revenues with the Company’s reportable segments (Note 13 “Segment Information”) for the periods indicated:

	Three Months Ended June 30, 2020
	Reportable Segments
	North America		Europe		Russia		Consolidated Revenues
Contract Types
Time-and-material	$	348,715	$	192,173	$	13,972	$	554,860
Fixed-price	33,855		32,253		6,259		72,367
Licensing	1,958		545		9		2,512
Other revenues	301		2,334		9		2,644
Revenues	$	384,829	$	227,305	$	20,249	$	632,383

	Six Months Ended June 30, 2020
	Reportable Segments
	North America		Europe		Russia		Consolidated Revenues
Contract Types
Time-and-material	$	705,978	$	382,493	$	27,568	$	1,116,039
Fixed-price	65,710		77,508		15,080		158,298
Licensing	3,728		707		1,467		5,902
Other revenues	515		2,930		58		3,503
Revenues	$	775,931	$	463,638	$	44,173	$	1,283,742

	Three Months Ended June 30, 2019
	Reportable Segments
	North America		Europe		Russia		Consolidated Revenues
Contract Types
Time-and-material	$	300,326	$	167,581	$	12,047	$	479,954
Fixed-price	29,681		29,204		10,943		69,828
Licensing	624		142		196		962
Other revenues	394		434		15		843
Revenues	$	331,025	$	197,361	$	23,201	$	551,587

	Six Months Ended June 30, 2019
	Reportable Segments
	North America		Europe		Russia		Consolidated Revenues
Contract Types
Time-and-material	$	585,051	$	335,794	$	23,319	$	944,164
Fixed-price	54,421		54,450		16,230		125,101
Licensing	1,460		540		202		2,202
Other revenues	782		642		29		1,453
Revenues	$	641,714	$	391,426	$	39,780	$	1,072,920

Timing of Revenue Recognition

The following tables present the timing of revenue recognition for the periods indicated:

	Three Months Ended June 30, 2020
	Reportable Segments
	North America		Europe		Russia		Consolidated Revenues
Timing of Revenue Recognition
Transferred over time	$	383,573	$	227,073	$	20,240	$	630,886
Transferred at a point of time	1,256		232		9		1,497
Revenues	$	384,829	$	227,305	$	20,249	$	632,383

	Six Months Ended June 30, 2020
	Reportable Segments
	North America		Europe		Russia		Consolidated Revenues
Timing of Revenue Recognition
Transferred over time	$	773,383	$	463,244	$	42,708	$	1,279,335
Transferred at a point of time	2,548		394		1,465		4,407
Revenues	$	775,931	$	463,638	$	44,173	$	1,283,742

	Three Months Ended June 30, 2019
	Reportable Segments
	North America		Europe		Russia		Consolidated Revenues
Timing of Revenue Recognition
Transferred over time	$	330,819	$	197,255	$	23,201	$	551,275
Transferred at a point of time	206		106		—		312
Revenues	$	331,025	$	197,361	$	23,201	$	551,587

	Six Months Ended June 30, 2019
	Reportable Segments
	North America		Europe		Russia		Consolidated Revenues
Timing of Revenue Recognition
Transferred over time	$	641,104	$	391,273	$	39,780	$	1,072,157
Transferred at a point of time	610		153		—		763
Revenues	$	641,714	$	391,426	$	39,780	$	1,072,920

Performance obligations satisfied in prior periods led to a reduction of $3,669 of revenues during the three months ended June 30, 2020 and an increase of $4,182 of revenues during the six months ended June 30, 2020. The Company recognized revenues associated with performance obligations satisfied in previous periods of $7,693 and $4,119 during the three and six months ended June 30, 2019, respectively.

The following table includes the estimated revenues expected to be recognized in the future related to performance obligations that are partially or fully unsatisfied as of June 30, 2020. The Company applies a practical expedient and does not disclose the value of unsatisfied performance obligations for contracts that (i) have an original expected duration of one year or less and (ii) contracts for which it recognizes revenues at the amount to which it has the right to invoice for services provided:

	Less than 1 year		1 Year		2 Years		3 Years		Total
Contract Type
Fixed-price	$	15,395	$	546	$	—	$	—	$	15,941

The Company applies a practical expedient and does not disclose the amount of the transaction price allocated to the remaining performance obligations nor provide an explanation of when the Company expects to recognize that amount as revenue for certain variable consideration.

Contract Balances

The following table provides information on the classification of contract assets and liabilities in the condensed consolidated balance sheets:

	As of June 30, 2020		As of December 31, 2019
Contract assets included in Trade receivables and contract assets	$	12,353	$	14,320
Contract liabilities included in Accrued expenses and other current liabilities	$	11,461	$	9,132

Contract assets have not materially changed from December 31, 2019. Contract liabilities comprise amounts collected from the Company’s customers for revenues not yet earned. Such amounts are anticipated to be recorded as revenues when services are performed in subsequent periods. Contract liabilities have not materially changed from December 31, 2019.

During the three and six months ended June 30, 2020, the Company recognized $1,325 and $7,862 of revenues, respectively, that were included in Accrued expenses and other current liabilities at December 31, 2019. During the three and six months ended June 30, 2019, the Company recognized $610 and $3,661 of revenues, respectively, that were included in Accrued expenses and other current liabilities at December 31, 2018.