Goodwill and Intangible Assets (Tables)

3 Months Ended

Mar. 31, 2024

Goodwill and Intangible Assets Disclosure [Abstract]

Summary 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 &   Restructuring (1)		Forensic and Litigation Consulting (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	(2,738)		(426)		(158)		(13)		(589)		(3,924)
Balance at March 31, 2024	$	538,253	$	212,989	$	268,324	$	96,789	$	114,290	$	1,230,645

(1)    There were no accumulated impairment losses for the Corporate Finance & Restructuring (“Corporate Finance”), Forensic and Litigation Consulting (“FLC”), Economic Consulting or Technology segments as of March 31, 2024 and December 31, 2023.

(2)    Amounts for our Strategic Communications segment include gross carrying values of $308.4 million and $309.0 million as of March 31, 2024 and December 31, 2023, respectively, and accumulated impairment losses of $194.1 million as of March 31, 2024 and December 31, 2023.

Schedule of Other Intangible Assets Amortized Intangibles

Intangible assets were as follows:

	March 31, 2024						December 31, 2023
	Gross Carrying Amount		Accumulated Amortization		Net Carrying Amount		Gross Carrying Amount		Accumulated Amortization		Net Carrying Amount
Amortizing intangible assets
Customer relationships	$	29,077	$	17,045	$	12,032	$	27,000	$	16,640	$	10,360
Trademarks	9,497		7,371		2,126		9,712		7,129		2,583
Acquired software and other	868		671		197		888		646		242
	39,442		25,087		14,355		37,600		24,415		13,185
Non-amortizing intangible assets
Trademarks	5,100		—		5,100		5,100		—		5,100
Total	$	44,542	$	25,087	$	19,455	$	42,700	$	24,415	$	18,285

Schedule of Other Intangible Assets Unamortized Intangibles

Intangible assets were as follows:

	March 31, 2024						December 31, 2023
	Gross Carrying Amount		Accumulated Amortization		Net Carrying Amount		Gross Carrying Amount		Accumulated Amortization		Net Carrying Amount
Amortizing intangible assets
Customer relationships	$	29,077	$	17,045	$	12,032	$	27,000	$	16,640	$	10,360
Trademarks	9,497		7,371		2,126		9,712		7,129		2,583
Acquired software and other	868		671		197		888		646		242
	39,442		25,087		14,355		37,600		24,415		13,185
Non-amortizing intangible assets
Trademarks	5,100		—		5,100		5,100		—		5,100
Total	$	44,542	$	25,087	$	19,455	$	42,700	$	24,415	$	18,285

Schedule of Future Amortization Expense Intangible Assets

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

Year	As of March 31, 2024 (1)
2024 (remaining)	$	3,006
2025	3,336
2026	2,193
2027	2,122
2028	1,717
Thereafter	1,981
	$	14,355

(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.