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Goodwill and Intangible Assets | 9 Months Ended
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Sep. 30, 2025
Goodwill and Intangible Assets Disclosure [Abstract] |
Goodwill and Intangible Assets | Goodwill and Intangible Assets Goodwill The table below summarizes the changes in the carrying amount of goodwill by reportable segment:
| Corporate Finance (1) |  | FLC (1) |  | Economic Consulting (1) |  | Technology (1) |  | Strategic Communications (2) |  | Total
Balance at December 31, 2024 | $ | 535,328 |  |  | $ | 212,367 |  |  | $ | 268,294 |  |  | $ | 96,784 |  |  | $ | 113,783 |  |  | $ | 1,226,556 |
Foreign currency translation adjustment | 7,026 |  |  | 2,714 |  |  | 596 |  |  | 97 |  |  | 4,433 |  |  | 14,866 |
Balance at September 30, 2025 | $ | 542,354 |  |  | $ | 215,081 |  |  | $ | 268,890 |  |  | $ | 96,881 |  |  | $ | 118,216 |  |  | $ | 1,241,422 |
(1) There were no accumulated impairment losses for the Corporate Finance, FLC, Economic Consulting or Technology segments as of September 30, 2025 and December 31, 2024. (2) Amounts for our Strategic Communications segment include gross carrying values of $312.4 million and $307.9 million as of September 30, 2025 and December 31, 2024, respectively, and accumulated impairment losses of $194.1 million as of September 30, 2025 and December 31, 2024. Intangible Assets Intangible assets were as follows:
|  | September 30, 2025 |  | December 31, 2024
|  | Gross Carrying Amount |  | Accumulated Amortization |  | Net Carrying Amount |  | Gross Carrying Amount |  | Accumulated Amortization |  | Net Carrying Amount
Amortizing intangible assets (1) |  | $ | 41,180 |  |  | $ | 32,647 |  |  | $ | 8,533 |  |  | $ | 38,821 |  |  | $ | 27,676 |  |  | $ | 11,145 |
Non-amortizing intangible assets (2) |  | 5,625 |  |  | — |  |  | 5,625 |  |  | 5,625 |  |  | — |  |  | 5,625 |
Total |  | $ | 46,805 |  |  | $ | 32,647 |  |  | $ | 14,158 |  |  | $ | 44,446 |  |  | $ | 27,676 |  |  | $ | 16,770 |
(1) Amortizing intangible assets include customer relationships, trademarks, acquired software and other as of September 30, 2025 and December 31, 2024. (2) Non-amortizing intangible assets include trademarks as of September 30, 2025 and December 31, 2024. Intangible assets with finite lives are amortized over their estimated useful lives. We recorded amortization expense of $0.8 million and $2.9 million during the three and nine months ended September 30, 2025, respectively, and $1.1 million and $3.1 million for the three and nine months ended September 30, 2024, respectively.

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- Definition The entire disclosure for goodwill and intangible assets. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 350 -SubTopic 30 -Name Accounting Standards Codification -Publisher FASB -URI https://asc.fasb.org/350-30/tableOfContent Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 350 -SubTopic 20 -Name Accounting Standards Codification -Publisher FASB -URI https://asc.fasb.org/350-20/tableOfContent + Details
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