Goodwill and Other Intangible Assets (Tables)

3 Months Ended

Mar. 31, 2025

Goodwill and Intangible Assets Disclosure [Abstract]

Summary of Change in Carrying Amount of Goodwill

The change in the carrying amount of goodwill for the three months ended March 31, 2025 is summarized as follows (in thousands):

	Research Segment			Consulting Segment		Total
Balance at December 31, 2024	$	219,814		$	8,145	$	227,959
Impairment		(83,895	)		—		(83,895	)
Translation adjustments		1,160			43		1,203
Balance at March 31, 2025	$	137,079		$	8,188	$	145,267

Summary of Carrying Values of Finite-Lived Intangible Assets

The carrying values of finite-lived intangible assets are as follows (in thousands):

	March 31, 2025
	Gross				Net
	Carrying		Accumulated		Carrying
	Amount		Amortization		Amount
Amortizable intangible assets:
Customer relationships	$	77,000	$	52,027	$	24,973
Technology		13,000		12,981		19
Trademarks		12,000		11,734		266
Total	$	102,000	$	76,742	$	25,258

	December 31, 2024
	Gross				Net
	Carrying		Accumulated		Carrying
	Amount		Amortization		Amount
Amortizable intangible assets:
Customer relationships	$	77,000	$	49,946	$	27,054
Technology		13,000		12,978		22
Trademarks		12,000		11,601		399
Total	$	102,000	$	74,525	$	27,475

Summary of Estimated Intangible Assets Amortization Expense

Estimated intangible asset amortization expense for each of the four succeeding years is as follows (in thousands):

2025 (remainder)	$	6,517
2026		8,335
2027		8,324
2028		2,082
Total	$	25,258