Operating Segment and Enterprise Wide Reporting (Tables)

12 Months Ended

Dec. 31, 2020

Segment Reporting [Abstract]

Schedule of Information about Reportable Segments, Disaggregation of Revenue by Product

The following tables present information about reportable segments, including the Company’s disaggregation of revenue by product (in thousands):

	Research Segment			Consulting Segment			Events Segment			Consolidated
Year Ended December 31, 2020
Research revenues
Research revenues	$	219,670		$	—		$	—		$	219,670
Connect revenues		54,530			—			—			54,530
Analytics revenues		20,285			—			—			20,285
Total research revenues		294,485			—			—			294,485
Consulting revenues		57,276			87,086			—			144,362
Events revenues		—			—			10,137			10,137
Total segment revenues		351,761			87,086			10,137			448,984
Segment expenses		(110,843	)		(40,168	)		(8,231	)		(159,242	)
Selling, marketing, administrative and other expenses											(248,105	)
Amortization of intangible assets											(19,683	)
Acquisition and integration costs											(5,779	)
Interest expense, other expense, and gains on investments											(3,242	)
Income before income taxes										$	12,933

	Research Segment			Consulting Segment			Events Segment			Consolidated
Year Ended December 31, 2019
Research revenues
Research revenues	$	219,189		$	—		$	—		$	219,189
Connect revenues		56,224			—			—			56,224
Analytics revenues		23,322			—			—			23,322
Total research revenues		298,735			—			—			298,735
Consulting revenues		60,758			75,194			—			135,952
Events revenues		—			—			27,010			27,010
Total segment revenues		359,493			75,194			27,010			461,697
Segment expenses		(120,882	)		(38,192	)		(18,968	)		(178,042	)
Selling, marketing, administrative and other expenses											(253,163	)
Amortization of intangible assets											(22,619	)
Acquisition and integration costs											(8,948	)
Interest expense, other expense, and gains on investments											(8,524	)
Loss before income taxes										$	(9,599	)

	Research Segment			Consulting Segment			Events Segment			Consolidated
Year Ended December 31, 2018
Research revenues
Research revenues	$	157,112		$	—		$	—		$	157,112
Connect revenues		51,377			—			—			51,377
Analytics revenues		19,910			—			—			19,910
Total research revenues		228,399			—			—			228,399
Consulting revenues		56,863			58,842			—			115,705
Events revenues		—			—			13,471			13,471
Total segment revenues		285,262			58,842			13,471			357,575
Segment expenses		(88,015	)		(30,957	)		(10,102	)		(129,074	)
Selling, marketing, administrative and other expenses											(201,127	)
Amortization of intangible assets											(1,162	)
Acquisition and integration costs											(3,787	)
Interest expense, other income, and gains on investments											1,100
Income before income taxes										$	23,525

Schedule of Net Long-lived Tangible Assets by Location

Net long-lived tangible assets by location as of December 31, 2020 and 2019 are as follows (in thousands):

	2020		2019
United States	$	24,645	$	26,709
United Kingdom		261		578
Europe (excluding United Kingdom)		78		97
Asia Pacific		2,048		2,553
Total	$	27,032	$	29,937

Schedule of Revenues by Geographic Destination, Based on Location Products and Services and as a Percentage of Total Revenues

Revenues by geographic destination, based on the location products and services are consumed, and as a percentage of total revenues for the years ended December 31, 2020, 2019, and 2018 are as follows (dollars in thousands):

	2020		2019		2018
United States	$	356,288	$	362,867	$	274,151
Europe (excluding United Kingdom)		34,897		32,585		29,741
United Kingdom		15,741		21,316		15,273
Canada		14,005		17,246		15,569
Asia Pacific		22,969		22,842		17,839
Other		5,084		4,841		5,002
Total	$	448,984	$	461,697	$	357,575

	2020			2019			2018
United States		79	%		79	%		77	%
Europe (excluding United Kingdom)		8			7			8
United Kingdom		4			4			4
Canada		3			4			4
Asia Pacific		5			5			5
Other		1			1			2
Total		100	%		100	%		100	%