Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Cash flows from operating activities:
Net income	$ 16,560	$ (9,196)
Adjustments to reconcile net income (loss) to net cash provided by (used in) operating activities:
Depreciation and amortization	13,077	7,848
Provision for doubtful accounts	3,173	405
Share-based compensation	13,746	17,013
Fair value adjustments, non-cash	(46,050)	(15,816)
Non-cash interest and other	(1,141)	(3,596)
Effect of foreign currency on operations	271	(34)
Loss (income) from equity investments	10	(6,775)
Dividends from equity investments	129	774
Deferred income taxes	5,807	(41,900)
Loss on loans receivable and disposal of fixed assets	5	257
Gain on extinguishment of loan	0	(1,102)
Income allocated and fair value adjustment for mandatorily redeemable noncontrolling interests	308	215
Change in operating assets and liabilities:
Amounts due to/from clearing brokers	16,318	(80,091)
Securities and other investments owned	95,037	215,973
Securities borrowed	(599,516)	461,193
Accounts receivable	25,083	6,355
Prepaid expenses and other assets	(25,705)	1,701
Accounts payable, accrued payroll and related expenses, accrued expenses and other liabilities	(67,536)	(82,962)
Amounts due to/from related parties and partners	(1,070)	594
Securities sold, not yet purchased	1,909	(21,125)
Deferred revenue	(1,749)	4,924
Securities loaned	603,951	(469,553)
Net cash provided by (used in) operating activities	52,617	(14,898)
Cash flows from investing activities:
Purchases of loans receivable	(311,970)	(93,853)
Repayments of loans receivable	260,587	101,000
Sale of loan receivable	7,500	0
Acquisition of businesses and minority interest, net of $234 and $26,076 cash acquired for 2023 and 2022, respectively	(12,287)	(40,047)
Purchases of property, equipment and intangible assets	(1,696)	(176)
Proceeds from sale of property, equipment, intangible assets, and other	1,364	2
Purchase of equity and other investments	(662)	(2,439)
Net cash used in investing activities	(57,164)	(35,513)
Cash flows from financing activities:
Proceeds from revolving line of credit	29,021	0
Repayment of revolving line of credit	(17,237)	0
Repayment of notes payable	(11,510)	(357)
Repayment of term loan	(72,924)	(4,116)
Proceeds from term loan	128,187	0
Proceeds from issuance of senior notes	0	20,037
Payment of debt issuance and offering costs	(1,957)	0
Payment of contingent consideration	(1,302)	(181)
Payment of employment taxes on vesting of restricted stock	(4,819)	(1,294)
Common dividends paid	(46,856)	(27,886)
Preferred dividends paid	(2,012)	(2,002)
Repurchase of common stock	(53,803)	0
Distribution to noncontrolling interests	(1,023)	(1,051)
Contribution from noncontrolling interests	431	1,770
Proceeds from issuance of preferred stock	467	639
Net cash used in financing activities	(55,337)	(14,441)
Decrease in cash, cash equivalents and restricted cash	(59,884)	(64,852)
Effect of foreign currency on cash, cash equivalents and restricted cash	1,280	(496)
Net decrease in cash, cash equivalents and restricted cash	(58,604)	(65,348)
Cash, cash equivalents and restricted cash, beginning of period	270,926	279,860
Cash, cash equivalents and restricted cash, end of period	212,322	214,512
Supplemental disclosures:
Interest paid	81,423	38,272
Taxes paid	$ 2,932	$ 73