Condensed Consolidated Statements of Financial Condition - USD ($)	Jun. 30, 2023	Dec. 31, 2022
Assets
Cash and cash equivalents	$ 526,293,000	$ 484,989,000
Cash segregated under regulatory requirements	16,314,000	17,021,000
Financial instruments owned, at fair value	40,519,000	39,319,000
Reverse repurchase agreements	200,000,000	0
Receivables from broker-dealers, clearing organizations, customers and related broker-dealers	1,262,933,000	559,680,000
Accrued commissions and other receivables, net	320,516,000	288,471,000
Loans, forgivable loans and other receivables from employees and partners, net	325,823,000	319,612,000
Fixed assets, net	182,624,000	183,478,000
Investments	40,031,000	38,575,000
Goodwill	503,374,000	486,585,000
Other intangible assets, net	200,461,000	192,783,000
Receivables from related parties	9,002,000	1,444,000
Other assets	453,797,000	463,014,000
Total assets	4,081,687,000	3,074,971,000
Liabilities, Redeemable Partnership Interest, and Equity
Short-term borrowings	0	1,917,000
Accrued compensation	177,114,000	176,781,000
Payables to broker-dealers, clearing organizations, customers and related broker-dealers	1,066,948,000	404,675,000
Payables to related parties	669,000	10,550,000
Accounts payable, accrued and other liabilities	623,803,000	683,104,000
Notes payable and other borrowings	1,394,006,000	1,049,217,000
Total liabilities	3,262,540,000	2,326,244,000
Commitments, contingencies and guarantees (Note 19)
Redeemable partnership interest	0	15,519,000
Stockholders’ equity:
Additional paid-in capital	2,667,812,000	2,559,418,000
Treasury stock, at cost: 156,639 and 146,076 shares of Class A common stock at June 30, 2023 and December 31, 2022, respectively	(753,331,000)	(711,454,000)
Retained deficit	(1,146,350,000)	(1,138,066,000)
Accumulated other comprehensive income (loss)	(41,128,000)	(45,431,000)
Total stockholders’ equity	732,548,000	669,645,000
Noncontrolling interest in subsidiaries	86,599,000	63,563,000
Total equity	819,147,000	733,208,000
Total liabilities, redeemable partnership interest, and equity	4,081,687,000	3,074,971,000
Class A Common Stock
Stockholders’ equity:
Common stock value	5,086,000	4,719,000
Class B Common Stock
Stockholders’ equity:
Common stock value	$ 459,000	$ 459,000