Condensed Consolidated Statements of Cash Flows - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2019	Sep. 30, 2018
Cash Flows from Operating Activities:
Net income (loss)	$ 75,726	$ 74,987
Adjustments to reconcile net income to net cash provided by (used in) operating activities:
Depreciation expense, intangible asset and other amortization	29,766	23,147
Stock-based compensation	16,384	16,914
Amortization of deferred commissions	2,413	2,734
Payments of deferred commissions	(1,522)	(3,839)
Equity in earnings of equity method investments	(2,001)	(2,358)
Distributions received from equity method investments	828	4,032
Sales (purchases) of investments, net	8,784	5,571
Deferred taxes, net	3,392	9,710
Changes in operating assets and liabilities:
Accounts receivable, net and other assets	(3,057)	10,368
Accrued compensation and benefits, accounts payable, accrued liabilities and other liabilities	(24,211)	(39,560)
Operating activities of consolidated investment products (CIP):
Net cash provided by (used in) operating activities	(103,015)	(101,689)
Cash Flows from Investing Activities:
Capital expenditures and other asset purchases	(6,961)	(2,516)
Acquisition of businesses (cash paid of $129.5 million, less cash acquired of $2.5 million in 2018)	0	(126,995)
Sale of available-for-sale securities	2,023	37,785
Purchases of available-for-sale securities	0	(20,188)
Net cash provided by (used in) investing activities	13,470	(111,914)
Cash Flows from Financing Activities:
Issuance of debt	0	105,000
Repayments on debt	(39,839)	(12,863)
Payment of deferred financing costs	0	(3,810)
Common stock dividends paid	(12,244)	(10,093)
Preferred stock dividends paid	(6,253)	(6,253)
Repurchases of common shares	(30,000)	(12,501)
Stock options exercised	648	719
Taxes paid related to net share settlement of restricted stock units	(6,601)	(6,517)
Net subscriptions received from (redemptions/distributions paid to) noncontrolling interests	7,630
Net subscriptions received from (redemptions/distributions paid to) noncontrolling interests		(2,159)
Net cash provided by (used in) financing activities	113,921	199,497
Net increase (decrease) in cash, cash equivalents and restricted cash	24,376	(14,106)
Cash, cash equivalents and restricted cash, beginning of period	254,656	234,282
Cash, Cash Equivalents and Restricted Cash, End of Period	279,032	220,176
Non-Cash Investing Activities:
Change in accrual for capital expenditures	(1,784)	1,906
Non-Cash Financing Activities:
Increase (decrease) to noncontrolling interest due to consolidation (deconsolidation) of CIP, net	22,046	0
Common stock dividends payable	4,608	3,930
Preferred stock dividends payable	2,085	2,085
Reconciliation of cash, cash equivalents and restricted cash
Cash, cash equivalents and restricted cash at end of period	254,656	234,282
Consolidated entity excluding consolidated investment products
Adjustments to reconcile net income to net cash provided by (used in) operating activities:
Realized and unrealized (gains) losses on investments, net	(4,636)	(752)
Consolidated Investment Products
Adjustments to reconcile net income to net cash provided by (used in) operating activities:
Realized and unrealized (gains) losses on investments, net	(3,063)	2,108
Operating activities of consolidated investment products (CIP):
Purchases of investments by CIP	(805,599)	(857,999)
Sales of investments by CIP	588,678	655,335
Net purchases (sales) of short term investments by CIP	2,294	111
Sales (purchases) of securities sold short by CIP, net	1,241	0
Change in other assets of CIP	(184)	(609)
Change in liabilities of CIP	7,247	(1,589)
Amortization of discount on notes payable of CIP	4,505	0
Cash Flows from Investing Activities:
Change in cash and cash equivalents of CIP due to consolidation (deconsolidation), net	18,408	0
Cash Flows from Financing Activities:
Payments on borrowings by CIP	195,697	669,500
Borrowings by CIP	$ (396,277)	$ (817,474)