Condensed Consolidated Statements of Cash Flows - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022
Cash flows from operating activities
Net income (loss)	$ (21,052)	$ 146,010
Adjustments to reconcile net income to net cash provided by (used in) operating activities:
Bad debt expense (benefit)	720	2,717
Depreciation and amortization	6,023	5,798
Equity-based compensation	125,194	96,767
Deferred tax provision	(3,652)	29,009
Other	(10,967)	4,915
Changes in assets and liabilities:
Accounts receivable	21,753	(20,891)
Accrued and other receivables	(12,563)	22,836
Prepaid expenses and other assets	1,355	(23,369)
Deferred compensation	(7,115)	(7,031)
Compensation payable	(57,405)	(299,083)
Accounts payable, accrued expenses and other liabilities	17,308	(49,062)
Deferred revenue	(3,556)	(960)
Dividends received	3,092	2,936
Net cash provided by (used in) operating activities	59,135	(89,408)
Cash flows from investing activities
Purchases of investments	(149,173)	(286,870)
Proceeds from sales of investments	224,591	295,045
Purchases of equipment and leasehold improvements	(11,414)	(3,928)
Net cash provided by (used in) investing activities	64,004	4,247
Cash flows from financing activities
Payments for dividends and tax distributions	(137,481)	(129,779)
Payments for treasury stock purchases	(45,519)	(146,290)
Payments under tax receivable agreement		(248)
Other proceeds	(15)	1,900
Net cash provided by (used in) financing activities	(183,015)	(274,417)
Effect of exchange rate fluctuations on cash, cash equivalents, and restricted cash	555	(12,490)
Net increase (decrease) in cash, cash equivalents, and restricted cash	(59,321)	(372,068)
Cash, cash equivalents, and restricted cash, beginning of period	207,539	521,014
Cash, cash equivalents, and restricted cash, end of period	148,218	148,946
Cash paid during the period for:
Income taxes, net	2,317	74,696
Other non-cash activity
Class A Partnership Units or other equity converted into Class A Common Stock	308	7,795
Dividends in kind	16,684	15,304
Forfeiture of fully-vested Class A Partnership Units or other equity units	82
Corporate Joint Venture
Changes in assets and liabilities:
Dividends received	$ 3,092	$ 2,936