Condensed Consolidated Statements of Changes in Equity - 3 months ended Mar. 31, 2016 - USD ($) $ in Thousands	Parent Company Partners' Capital	Parent Company Accumulated Other Comprehensive Loss	Parent Company Non-Controlling interest	Consolidated Funds Equity Appropriated for Consolidated Funds	Consolidated Funds Non-Controlling Interest in Consolidated Funds	Total
Partners' Capital, beginning balance at Dec. 31, 2015	$ 251,537	$ (4,619)	$ 397,883	$ 3,367	$ 320,238	$ 968,406
Increase (Decrease) in Partners' Capital [Roll Forward]
Changes in ownership interests	(51)		(310)			(361)
Deferred tax assets (liabilities) arising from allocation of contributions and Partners' capital	726		(25)			701
Contributions					47,366	47,366
Distributions	(16,137)		(27,727)		(23,230)	(67,094)
Net income (loss)	(3,090)		1,420		(11,979)	(13,649)
Currency translation adjustment		(1,023)	(1,663)			(2,686)
Equity compensation	3,285		5,353			8,638
Partners' Capital, ending balance at Mar. 31, 2016	$ 236,270	$ (5,642)	$ 374,931		$ 332,395	937,954
Increase (Decrease) in Partners' Capital [Roll Forward]
Cumulative effect of accounting change due to the adoption of ASU 2014-13				$ (3,367)		$ (3,367)

The effect on equity of deferred tax assets (liabilities) resulting from allocation of contributions during the period.

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Amount after tax and reclassification adjustments of gain (loss) on foreign currency translation adjustments, foreign currency transactions designated and effective as economic hedges of a net investment in a foreign entity and intra-entity foreign currency transactions that are of a long-term-investment nature including redeemable interest.

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The consolidated profit or loss for the period, net of income taxes, including the portion attributable to the noncontrolling interest and redeemable interest.

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Reallocation of partnerss capital for change in ownership interests.

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This element represents the amount of recognized equity-based compensation during the period, that is, the amount recognized as expense in the income statement (or as asset if compensation is capitalized). Alternate captions include the words "stock-based compensation".

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Amount after tax of increase (decrease) to equity or (increase) decrease to net assets, resulting from the cumulative effect adjustment of a new accounting principle applied in the period of adoption.

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A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

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Decrease in noncontrolling interest balance from payment of dividends or other distributions by the non-wholly owned subsidiary or partially owned entity, included in the consolidation of the parent entity, to the noncontrolling interest holders.

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Amount of increase in noncontrolling interest from subsidiary issuance of equity interests to noncontrolling interest holders.

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Amount of partners' capital (deficit), including portions attributable to both the parent and noncontrolling interests. Excludes temporary equity and is sometimes called permanent equity.

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