Goodwill and Other Intangible Assets (Tables)

12 Months Ended

Dec. 31, 2015

Goodwill and Intangible Assets Disclosure [Abstract]

Components of Goodwill and Other Intangible Assets

The components of goodwill and other intangible assets at December 31, 2015 and 2014 are presented below:

	December 31,
	2015		2014
Goodwill	$	320,761	$	335,402
Other intangible assets (net of accumulated amortization)		6,215		12,036
	$	326,976	$	347,438

Changes in Carrying Amount of Goodwill

Changes in the carrying amount of goodwill for the years ended December 31, 2015, 2014 and 2013 are as follows:

	Year Ended December 31,
	2015			2014			2013
Balance, January 1	$	335,402		$	345,453		$	364,328
Business acquisitions		—			3,232			1,748
Foreign currency translation adjustments		(14,641	)		(13,283	)		(20,623	)
Balance, December 31	$	320,761		$	335,402		$	345,453

Gross Cost and Accumulated Amortization of Other Intangible Assets

The gross cost and accumulated amortization of other intangible assets as of December 31, 2015 and 2014, by major intangible asset category, are as follows:

	December 31, 2015						December 31, 2014
	Gross Cost		Accumulated Amortization		Net Carrying Amount		Gross Cost		Accumulated Amortization		Net Carrying Amount
Performance fees	$	30,740	$	25,192	$	5,548	$	30,740	$	21,116	$	9,624
Management fees, customer relationships and non-compete agreements		33,036		32,369		667		33,050		30,638		2,412
	$	63,776	$	57,561	$	6,215	$	63,790	$	51,754	$	12,036

Estimated Future Amortization Expense

Amortization expense of intangible assets for the years ended December 31, 2015, 2014 and 2013 was $5,821, $6,387 and $10,114, respectively. Estimated future amortization expense is as follows:

Year Ending December 31,	Amortization Expense (a)
2016	$	3,119
2017		3,096
Total amortization expense	$	6,215

(a) Approximately 45% of intangible asset amortization is attributable to a noncontrolling interest.