Operating Segments (Tables)

3 Months Ended

Mar. 31, 2018

Segment Reporting [Abstract]

Schedule of Information about Reportable Segments

The Company is providing disaggregated revenue by product in the segment tables below in accordance with the revenue standard adopted on January 1, 2018.

						Project
	Product		Research			Consulting		Consolidated
Three Months Ended March 31, 2018
Research services revenues
Research	$	34,643	$	—		$	—	$	34,643
Connect		12,564		—			—		12,564
Analytics		4,493		—			—		4,493
Total research services revenues		51,700		—			—		51,700
Advisory services and events revenues
Advisory services		—		9,480			34		9,514
Consulting services		—		2,162			12,409		14,571
Events		—		—			—		—
Analytics services		1,964		—			—		1,964
Total advisory services and events revenues		1,964		11,642			12,443		26,049
Total segment revenues		53,664		11,642			12,443		77,749
Segment expenses		10,117		12,713			6,864		29,694
Contribution margin (loss)		43,547		(1,071	)		5,579		48,055
Selling, marketing, administrative and other expenses									(50,157	)
Amortization of intangible assets									(186	)
Other income (expense) and losses on investments									(143	)
Income before income taxes								$	(2,431	)

						Project
	Product		Research			Consulting		Consolidated
Three Months Ended March 31, 2017
Research services revenues
Research	$	35,524	$	—		$	—	$	35,524
Connect		11,637		—			—		11,637
Analytics		4,582		—			—		4,582
Total research services revenues		51,743		—			—		51,743
Advisory services and events revenues
Advisory services		—		8,536			77		8,613
Consulting services		—		1,957			12,380		14,337
Events		80		—			—		80
Analytics services		2,421		—			—		2,421
Total advisory services and events revenues		2,501		10,493			12,457		25,451
Total segment revenues		54,244		10,493			12,457		77,194
Segment expenses		9,227		12,143			5,854		27,224
Contribution margin (loss)		45,017		(1,650	)		6,603		49,970
Selling, marketing, administrative and other expenses									(46,643	)
Amortization of intangible assets									(191	)
Other income (expense) and losses on investments									(194	)
Income before income taxes								$	2,942