Goodwill and Other Intangible Assets (Tables)

6 Months Ended

Jun. 30, 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 six months ended June 30, 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		3,151			161		3,312
Balance at June 30, 2025	$	139,070		$	8,306	$	147,376

Summary of Carrying Values of Finite-Lived Intangible Assets

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

	June 30, 2025
	Gross				Net
	Carrying		Accumulated		Carrying
	Amount		Amortization		Amount
Amortizable intangible assets:
Customer relationships	$	77,000	$	54,108	$	22,892
Technology		13,000		12,984		16
Trademarks		12,000		11,867		133
Total	$	102,000	$	78,959	$	23,041

	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)	$	4,301
2026		8,335
2027		8,324
2028		2,081
Total	$	23,041