Consolidation - Condensed Consolidated Balance Sheets (Details) - USD ($) $ in Thousands	Mar. 31, 2016	Dec. 31, 2015	Mar. 31, 2015	Dec. 31, 2014
Variable Interest Entity [Line Items]
Total cash and cash equivalents	$ 59,251	$ 97,384	$ 168,089	$ 203,304
Total investments	95,894	56,738
Total liabilities	(235,493)	(276,408)
Redeemable noncontrolling interests	(40,425)	(73,864)
Consolidated Sponsored Investment Products [Member]
Variable Interest Entity [Line Items]
Total investments		323,335
All other assets	63,929	8,549
Total liabilities	(20,211)	(15,387)
Consolidated Investment Product [Member]
Variable Interest Entity [Line Items]
Total cash equivalents	7,440	8,297
Total investments	193,663	199,485
All other assets	1,585	1,467
Debt	(155,464)	(152,597)
Securities purchased payable	(6,554)	(18,487)
The Company’s net interests in consolidated sponsored investment products	40,670	38,165
Consolidated Sponsored Investment Products - VOEs [Member] \| Consolidated Sponsored Investment Products [Member]
Variable Interest Entity [Line Items]
Total cash and cash equivalents	8,759	11,408
Total investments	165,836	291,247
All other assets	59,896	8,281
Total liabilities	(17,262)	(14,948)
Redeemable noncontrolling interests	(25,214)	(61,236)
The Company’s net interests in consolidated sponsored investment products	192,015	234,752
Consolidated Sponsored Investment Product - VIE [Member] \| Consolidated Sponsored Investment Products [Member]
Variable Interest Entity [Line Items]
Total cash and cash equivalents	289	458
Total investments	33,794	32,088
All other assets	4,033	268
Total liabilities	(2,949)	(439)
Redeemable noncontrolling interests	(15,211)	(12,628)
The Company’s net interests in consolidated sponsored investment products	$ 19,956	$ 19,747

Amount of currency on hand as well as demand deposits with banks or financial institutions. Includes other kinds of accounts that have the general characteristics of demand deposits. Also includes short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates. Excludes cash and cash equivalents within disposal group and discontinued operation.

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