Condensed Consolidated Statements of Financial Condition - USD ($) $ in Thousands	Jun. 30, 2021	Dec. 31, 2020
Assets
Cash and cash equivalents	$ 420,302	$ 593,646
Cash segregated under regulatory requirements	36,365	257,031
Securities owned	49,222	58,572
Marketable securities	360	349
Receivables from broker-dealers, clearing organizations, customers and related broker-dealers	1,455,333	304,022
Accrued commissions and other receivables, net	338,313	739,009
Loans, forgivable loans and other receivables from employees and partners, net	370,800	408,142
Fixed assets, net	204,531	214,782
Investments	33,400	38,008
Goodwill	487,434	556,211
Other intangible assets, net	219,291	287,157
Receivables from related parties	7,890	11,953
Other assets	461,379	480,418
Assets held for sale	1,048,859	0
Total assets	5,133,479	3,949,300
Liabilities, Redeemable Partnership Interest, and Equity
Short-term borrowings	5,997	3,849
Accrued compensation	187,166	220,726
Payables to broker-dealers, clearing organizations, customers and related broker-dealers	1,305,743	179,716
Payables to related parties	79,920	36,252
Accounts payable, accrued and other liabilities	652,366	1,363,919
Notes payable and other borrowings	1,243,248	1,315,935
Liabilities held for sale	850,112	0
Total liabilities	4,324,552	3,120,397
Commitments, contingencies and guarantees (Note 20)
Redeemable partnership interest	19,582	20,674
Stockholders’ equity:
Additional paid-in capital	2,367,458	2,354,492
Treasury stock, at cost: 68,119 and 50,527 shares of Class A common stock at June 30, 2021 and December 31, 2020, respectively	(406,701)	(315,313)
Retained deficit	(1,211,870)	(1,265,504)
Accumulated other comprehensive income (loss)	(30,605)	(28,930)
Total stockholders’ equity	722,910	748,939
Noncontrolling interest in subsidiaries	66,435	59,290
Total equity	789,345	808,229
Total liabilities, redeemable partnership interest, and equity	5,133,479	3,949,300
Class A Common Stock
Stockholders’ equity:
Common stock value	4,169	3,735
Class B Common Stock
Stockholders’ equity:
Common stock value	$ 459	$ 459