Goodwill and Other Intangible Assets (Tables)

3 Months Ended

Mar. 31, 2018

Goodwill And Intangible Assets Disclosure [Abstract]

Components of Goodwill and Other Intangible Assets

The components of goodwill and other intangible assets at March 31, 2018 and December 31, 2017 are presented below:

	March 31,		December 31,
	2018		2017
Goodwill	$	383,107	$	385,292
Other intangible assets (net of accumulated amortization)		5,221		6,072
	$	388,328	$	391,364

Changes in Carrying Amount of Goodwill

Changes in the carrying amount of goodwill for the three month periods ended March 31, 2018 and 2017 are as follows:

	Three Months Ended
	March 31,
	2018			2017
Balance, January 1	$	385,292		$	373,117
Foreign currency translation adjustments		(2,185	)		6,691
Balance, March 31	$	383,107		$	379,808

Gross Cost and Accumulated Amortization of Other Intangible Assets

The gross cost and accumulated amortization of other intangible assets as of March 31, 2018 and December 31, 2017, by major intangible asset category, are as follows:

	March 31, 2018						December 31, 2017
	Gross Cost		Accumulated Amortization		Net Carrying Amount		Gross Cost		Accumulated Amortization		Net Carrying Amount
Success/incentive fees	$	35,355	$	30,432	$	4,923	$	35,422	$	29,723	$	5,699
Management fees, customer relationships    and non-compete agreements		33,740		33,442		298		33,749		33,376		373
	$	69,095	$	63,874	$	5,221	$	69,171	$	63,099	$	6,072

Estimated Future Amortization Expense

Estimated future amortization expense is as follows:

Year Ending December 31,	Amortization Expense (a)
2018 (April 1 through December 31)	$	2,094
2019		1,575
2020		1,552
Total amortization expense	$	5,221

(a) Approximately 37% of intangible asset amortization is attributable to a noncontrolling interest.