Consolidated Statements of Operations (Unaudited) - USD ($) shares in Thousands, $ in Thousands		3 Months Ended		9 Months Ended
		Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2024	Sep. 30, 2023
Revenues:
Commissions		$ 183,445	$ 165,075	$ 552,238	$ 499,983
Principal transactions		137,089	114,841	429,677	336,063
Investment banking		243,182	146,887	690,412	525,591
Asset management		382,616	333,127	1,130,849	968,960
Interest		510,823	505,198	1,515,803	1,439,532
Other income		18,705	459	39,835	(940)
Total revenues		1,475,860	1,265,587	4,358,814	3,769,189
Interest expense		251,192	220,536	753,176	566,624
Net revenues	[1]	1,224,668	1,045,051	3,605,638	3,202,565
Non-interest expenses:
Compensation and benefits		718,065	613,287	2,120,479	1,880,144
Occupancy and equipment rental		89,625	84,396	268,189	251,140
Communications and office supplies		48,869	46,215	144,417	137,320
Commissions and floor brokerage		16,239	14,413	46,389	42,965
Provision for credit losses		5,287	9,992	13,509	22,736
Other operating expenses		129,925	167,319	350,412	367,563
Total non-interest expenses		1,008,010	935,622	2,943,395	2,701,868
Income from operations before income tax expense		216,658	109,429	662,243	500,697
Provision for income taxes		58,153	41,268	174,869	140,645
Net income		158,505	68,161	487,374	360,052
Preferred dividends		9,320	9,321	27,961	27,961
Net income available to common shareholders		$ 149,185	$ 58,840	$ 459,413	$ 332,091
Earnings per common share:
Basic		$ 1.43	$ 0.55	$ 4.41	$ 3.09
Diluted		1.34	0.52	4.16	2.91
Cash dividends declared per common share		$ 0.42	$ 0.36	$ 1.26	$ 1.08
Weighted-average number of common shares outstanding:
Basic		103,966	106,068	104,135	107,580
Diluted		110,994	113,195	110,457	114,170

[1] No individual client accounted for more than 10 percent of total net revenues for the three and nine months ended September 30, 2024 and 2023.