Goodwill and Intangible Assets (Tables)

6 Months Ended

Jun. 30, 2023

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, 2022	$	516,500	$	234,872	$	268,055	$	96,727	$	111,439	$	1,227,593
Foreign currency translation adjustment and other	(282)		1,332		262		63		2,801		4,176
Balance at June 30, 2023	$	516,218	$	236,204	$	268,317	$	96,790	$	114,240	$	1,231,769

(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 June 30, 2023 and December 31, 2022.

(2)    Amounts for our Strategic Communications segment include gross carrying values of $308.3 million and $305.6 million as of June 30, 2023 and December 31, 2022, respectively, and accumulated impairment losses of $194.1 million as of June 30, 2023 and December 31, 2022.

Schedule of Other Intangible Assets Amortized Intangibles

Intangible assets were as follows:

	June 30, 2023						December 31, 2022
	Gross Carrying Amount		Accumulated Amortization		Net Carrying Amount		Gross Carrying Amount		Accumulated Amortization		Net Carrying Amount
Amortizing intangible assets
Customer relationships	$	26,836	$	14,939	$	11,897	$	78,223	$	63,810	$	14,413
Trademarks	9,584		6,240		3,344		10,950		5,554		5,396
Acquired software and other	856		456		400		846		241		605
	37,276		21,635		15,641		90,019		69,605		20,414
Non-amortizing intangible assets
Trademarks	5,100		—		5,100		5,100		—		5,100
Total	$	42,376	$	21,635	$	20,741	$	95,119	$	69,605	$	25,514

Schedule of Other Intangible Assets Unamortized Intangibles

Intangible assets were as follows:

	June 30, 2023						December 31, 2022
	Gross Carrying Amount		Accumulated Amortization		Net Carrying Amount		Gross Carrying Amount		Accumulated Amortization		Net Carrying Amount
Amortizing intangible assets
Customer relationships	$	26,836	$	14,939	$	11,897	$	78,223	$	63,810	$	14,413
Trademarks	9,584		6,240		3,344		10,950		5,554		5,396
Acquired software and other	856		456		400		846		241		605
	37,276		21,635		15,641		90,019		69,605		20,414
Non-amortizing intangible assets
Trademarks	5,100		—		5,100		5,100		—		5,100
Total	$	42,376	$	21,635	$	20,741	$	95,119	$	69,605	$	25,514

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 June 30, 2023 (1)
2023 (remaining)	$	2,563
2024	3,788
2025	2,968
2026	1,742
2027	1,670
Thereafter	2,910
	$	15,641

(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.