Consolidated Statements of Cash Flows (unaudited) - USD ($)	9 Months Ended
	Sep. 30, 2018	Sep. 30, 2017
CASH FLOWS FROM OPERATING ACTIVITIES:
Net Income	$ 44,239,522	$ 39,250,567
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation	868,243	659,707
Share-based compensation	6,472,823	6,258,112
(Increase) decrease in accounts receivable	(90,525)	143,920
Change in current income taxes	4,755,773	(432,068)
Change in deferred income taxes	(1,709,775)	(1,653,524)
Net gains on investments	(3,184,197)	(7,829,950)
Net change in securities held by Consolidated Funds	(47,246,344)	(5,639,151)
Increase in accrued incentive compensation	321,697	2,268,924
Increase in deferred compensation	4,951,871	5,388,568
Other changes in assets and liabilities	252,238	2,188,850
Net cash provided by operating activities	9,631,326	40,603,955
CASH FLOWS FROM INVESTING ACTIVITIES:
Purchase of property and equipment	(699,917)	(509,750)
Purchase of Company sponsored investments	(4,362,077)	(13,372,301)
Proceeds from sale of Company sponsored investments	1,789,359	2,745,690
Net cash used in investing activities	(3,272,635)	(11,136,361)
CASH FLOWS FROM FINANCING ACTIVITIES:
Value of shares withheld related to employee tax withholding	(1,602,528)	(2,789,949)
Net subscriptions received from redeemable noncontrolling interest holders	19,261,162	6,022,875
Net cash provided by financing activities	17,658,634	3,232,926
CASH AND CASH EQUIVALENTS
Net change during the period	24,017,325	32,700,520
At beginning of period	76,602,108	57,189,876
At end of period	100,619,433	89,890,396
Supplemental cash flow information:
Income taxes paid	11,400,094	21,104,300
Supplemental disclosure of non-cash transactions:
Common stock issued as incentive compensation	4,109,197	3,892,424
Charitable donation of corporate investments and property and equipment	1,989,803	1,748,841
Net subscriptions (redemptions) of ETF shares for marketable securities	$ 3,260,445	$ (1,555,305)