Goodwill and Intangible Assets (Tables)

12 Months Ended

Dec. 31, 2025

Goodwill and Intangible Assets Disclosure [Abstract]

Schedule of Changes in Carrying Amounts of Goodwill by Operating Segment

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, 2023	$	540,991	$	213,415	$	268,482	$	96,802	$	114,879	$	1,234,569
Foreign currency translation adjustment	(5,663)		(1,048)		(188)		(18)		(1,096)		(8,013)
Balance at December 31, 2024	$	535,328	$	212,367	$	268,294	$	96,784	$	113,783	$	1,226,556
Foreign currency translation adjustment	7,915		2,807		626		103		4,770		16,221
Balance at December 31, 2025	$	543,243	$	215,174	$	268,920	$	96,887	$	118,553	$	1,242,777

(1)There were no accumulated impairment losses for the Corporate Finance, FLC, Economic Consulting or Technology segments as of December 31, 2025, 2024 and 2023.

(2)Amounts for our Strategic Communications segment include gross carrying values of $312.7 million, $307.9 million and $309.0 million as of December 31, 2025, 2024 and 2023, respectively, and accumulated impairment losses of $194.1 million as of December 31, 2025, 2024 and 2023.

Schedule of Other Intangible Assets Amortized Intangibles

Intangible assets were as follows:

		December 31, 2025						December 31, 2024
	Weighted Average Useful Life in Years	Gross Carrying Amount		Accumulated Amortization		Net Carrying Amount		Gross Carrying Amount		Accumulated Amortization		Net Carrying Amount
Amortizing intangible assets (1)	9.9	26,025		18,103		7,922		38,821		27,676		11,145
Non-amortizing intangible assets (2)	Indefinite	5,625		—		5,625		5,625		—		5,625
Total		$	31,650	$	18,103	$	13,547	$	44,446	$	27,676	$	16,770

(1)    Amortizing intangible assets primarily include customer relationships as of December 31, 2025 and 2024.

(2)    Non-amortizing intangible assets include trademarks as of December 31, 2025 and 2024.

Schedule of Other Intangible Assets Unamortized Intangibles

Intangible assets were as follows:

		December 31, 2025						December 31, 2024
	Weighted Average Useful Life in Years	Gross Carrying Amount		Accumulated Amortization		Net Carrying Amount		Gross Carrying Amount		Accumulated Amortization		Net Carrying Amount
Amortizing intangible assets (1)	9.9	26,025		18,103		7,922		38,821		27,676		11,145
Non-amortizing intangible assets (2)	Indefinite	5,625		—		5,625		5,625		—		5,625
Total		$	31,650	$	18,103	$	13,547	$	44,446	$	27,676	$	16,770

(1)    Amortizing intangible assets primarily include customer relationships as of December 31, 2025 and 2024.

(2)    Non-amortizing intangible assets include trademarks as of December 31, 2025 and 2024.

Schedule of Future Amortization Expense Intangible Assets

We estimate our future amortization expense for our intangible assets with finite lives to be as follows:

	As of December 31, 2025 (1)
Year
2026	$	2,225
2027	2,152
2028	1,747
2029	1,194
2030	604
Thereafter	—
	$	7,922

(1)Actual amortization expense to be reported in future periods could differ from these estimates as a result of new intangible asset acquisitions, impairments, changes in useful lives, or other relevant factors or changes.