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Goodwill and Other Intangible Assets (Tables)
 3 Months Ended
Mar. 31, 2026
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, 2026 is summarized as follows (in thousands):

 

Research Segment

 

 

Consulting Segment

 

 

Total

 

Balance at December 31, 2025

$

112,080

 

 

$

8,301

 

 

$

120,381

 

Impairment

 

(10,800

)

 

 

—

 

 

 

(10,800

)

Translation adjustments

 

(430

)

 

 

(31

)

 

 

(461

)

Balance at March 31, 2026

$

100,850

 

 

$

8,270

 

 

$

109,120

 
Summary of Intangible Assets

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

 

March 31, 2026

 

 

Gross

 

 

 

 

 

Net

 

 

Carrying

 

 

Accumulated

 

 

Carrying

 

 

Amount

 

 

Amortization

 

 

Amount

 

Amortizable intangible assets:

 

 

 

 

 

 

 

 

Customer relationships

$

77,000

 

 

$

60,351

 

 

$

16,649

 

Total

$

77,000

 

 

$

60,351

 

 

$

16,649

 

 

 

December 31, 2025

 

 

Gross

 

 

 

 

 

Net

 

 

Carrying

 

 

Accumulated

 

 

Carrying

 

 

Amount

 

 

Amortization

 

 

Amount

 

Amortizable intangible assets:

 

 

 

 

 

 

 

 

Customer relationships

$

77,000

 

 

$

58,270

 

 

$

18,730

 

Total

$

77,000

 

 

$

58,270

 

 

$

18,730

 
Summary of Estimated Intangible Assets Amortization Expense

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

2026 (remainder)

$

6,243

 

2027

 

8,324

 

2028

 

2,082

 

Total

$

16,649