Goodwill and Other Intangible Assets (Tables)

12 Months Ended

Dec. 31, 2017

Goodwill And Intangible Assets Disclosure [Abstract]

Summary of Goodwill by Segment and Changes in Carrying Amount of Goodwill

A summary of the goodwill by segment and the changes in the carrying amount of goodwill is shown in the following table (in thousands).

							Project
	Product			Research			Consulting		Total
Balance at January 1, 2016	$	2,371		$	71,700		$	—	$	74,071
Translation adjustments		(28	)		(850	)		—		(878	)
Balance at December 31, 2016		2,343			70,850			—		73,193
Translation adjustments		95			2,881			—		2,976
Balance at December 31, 2017	$	2,438		$	73,731		$	—	$	76,169

Summary of Intangible Assets

A summary of Forrester’s intangible assets is as follows (in thousands):

	December 31, 2017
	Gross				Net
	Carrying		Accumulated		Carrying
	Amount		Amortization		Amount
Amortizable intangible assets:
Customer relationships	$	31,735	$	31,003	$	732
Research content		1,083		1,083		—
Total	$	32,818	$	32,086	$	732

	December 31, 2016
	Gross				Net
	Carrying		Accumulated		Carrying
	Amount		Amortization		Amount
Amortizable intangible assets:
Customer relationships	$	30,998	$	29,534	$	1,464
Research content		1,083		1,083		—
Total	$	32,081	$	30,617	$	1,464