Consolidation - Condensed Consolidated Balance Sheets (Details) - USD ($) $ in Thousands	Mar. 31, 2017	Dec. 31, 2016	Mar. 31, 2016	Dec. 31, 2015
Variable Interest Entity [Line Items]
Total cash and cash equivalents	$ 251,753	$ 82,687	$ 59,251	$ 97,384
Total liabilities	(416,059)	(465,449)
Redeemable noncontrolling interests	(44,976)	(37,266)	$ (40,425)	$ (73,864)
Consolidated Sponsored Investment Products
Variable Interest Entity [Line Items]
Investments	112,930	142,075
All other assets	39,702	3,270
Total liabilities	(2,834)	(4,109)
Consolidated Investment Product
Variable Interest Entity [Line Items]
Cash equivalents	13,957	14,449
Investments	354,002	346,967
All other assets	6,152	5,888
Notes payable	(325,843)	(328,761)
Securities purchased payable and other liabilities	(20,806)	(12,534)
The Company’s net interests in consolidated sponsored investment products	27,462	26,009
Consolidated Sponsored Investment Products - VOEs \| Consolidated Sponsored Investment Products
Variable Interest Entity [Line Items]
Total cash and cash equivalents	2,044	1,859
Investments	61,028	99,247
All other assets	38,603	2,211
Total liabilities	(2,033)	(2,310)
Redeemable noncontrolling interests	(12,175)	(12,505)
The Company’s net interests in consolidated sponsored investment products	87,467	88,502
Consolidated Sponsored Investment Product - VIE \| Consolidated Sponsored Investment Products
Variable Interest Entity [Line Items]
Total cash and cash equivalents	929	2,775
Investments	51,902	42,828
All other assets	1,099	1,059
Total liabilities	(801)	(1,799)
Redeemable noncontrolling interests	(32,801)	(24,761)
The Company’s net interests in consolidated sponsored investment products	$ 20,328	$ 20,102

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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