Condensed Consolidated Statements of Cash Flows - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Cash flows from operating activities
Net income (loss)	$ 73,594	$ 75,798
Adjustments to reconcile net income to net cash provided by (used in) operating activities:
Bad debt expense (benefit)	(288)	3,149
Depreciation and amortization	2,039	1,449
Equity-based compensation	37,067	50,963
Deferred tax provision	25,973	21,245
Other	3,192	(2,615)
Changes in assets and liabilities:
Accounts receivable	2,643	14,401
Accrued and other receivables	11,957	(32,589)
Prepaid expenses and other assets	463	(587)
Deferred compensation	(10,957)	(3,660)
Compensation payable	(403,408)	(160,178)
Accounts payable, accrued expenses and other liabilities	(17,798)	1,969
Deferred revenue	1,040	5,409
Dividends received	2,029	2,279
Net cash provided by (used in) operating activities	(272,454)	(22,967)
Cash flows from investing activities
Purchases of investments	(117,432)	(78,723)
Proceeds from sales of investments	147,250	173,046
Note payments received from (issued to) employees		70
Purchases of equipment and leasehold improvements	(2,458)	(3,539)
Net cash provided by (used in) investing activities	27,360	90,854
Cash flows from financing activities
Payments for dividends and tax distributions	(45,647)	(39,685)
Payments for treasury stock purchases	(97,929)	(74,211)
Payments under tax receivable agreement	(248)
Other proceeds	100
Net cash provided by (used in) financing activities	(143,724)	(113,896)
Effect of exchange rate fluctuations on cash, cash equivalents, and restricted cash	(1,141)	(792)
Net increase (decrease) in cash, cash equivalents, and restricted cash	(389,959)	(46,801)
Cash, cash equivalents, and restricted cash, beginning of period	521,014	203,284
Cash, cash equivalents, and restricted cash, end of period	131,055	156,483
Cash paid during the period for:
Income taxes, net	7,165	1,913
Other non-cash activity
Class A Partnership Units or other equity converted into Class A Common Stock	150	3,903
'Dividends in kind	$ 5,572	5,131
Forfeiture of fully-vested Group LP units or other equity units		$ 25