Consolidated Statements of Cash Flows - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019
Cash flows from operating activities:
Net income	$ 79,534	$ 100,819
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	9,368	16,057
Amortization of deferred sales commissions	1,180	1,492
Share-based compensation	33,595	35,471
Investments and derivatives loss (gain), net of collateral	1,688	(15,250)
Net purchases, maturities, and sales of trading and equity securities	22,468	(47,641)
Deferred income taxes	(1,480)	4,622
Net change in equity securities and trading debt securities held by consolidated sponsored funds	(10,886)	16,697
Other	(1,096)	1,273
Changes in assets and liabilities:
Customer and other receivables	3,801	70,220
Payable to investment companies for securities and payable to customers	(22,733)	(105,953)
Receivables from funds and separate accounts	2,117	3,360
Other assets	4,064	14,784
Accounts payable and payable to third party brokers	(6,383)	(10,243)
Other liabilities	(23,265)	(1,477)
Net cash provided by operating activities	91,972	84,231
Cash flows from investing activities:
Purchases of available for sale and equity method securities	(28,286)	(149,835)
Proceeds from sales of available for sale and equity method securities	3,257	19,667
Proceeds from maturities of available for sale securities	96,420	116,197
Proceeds from sale of property and equipment	2,262
Additions to property and equipment	(7,445)	(4,189)
Net cash provided by (used in) investing activities	66,208	(18,160)
Cash flows from financing activities:
Dividends paid	(49,939)	(56,560)
Repurchase of common stock	(112,865)	(118,668)
Net subscriptions (redemptions, distributions and deconsolidations) of redeemable noncontrolling interests in sponsored funds	5,807	3,687
Other	(131)	(168)
Net cash used in financing activities	(157,128)	(171,709)
Net decrease in cash, cash equivalents and restricted cash	1,052	(105,638)
Cash, cash equivalents, and restricted cash at beginning of period	226,140	291,555
Cash, cash equivalents, and restricted cash at end of period	$ 227,192	$ 185,917