Consolidated Statements of Operations (Unaudited) - USD ($) shares in Thousands, $ in Thousands		3 Months Ended		6 Months Ended
		Jun. 30, 2025	Jun. 30, 2024	Jun. 30, 2025	Jun. 30, 2024
Revenues:
Commissions		$ 200,669	$ 183,317	$ 394,339	$ 368,793
Principal transactions		172,603	153,574	314,263	292,588
Investment banking		233,460	233,281	471,402	447,230
Asset management		403,608	380,757	813,149	748,233
Interest		477,056	498,152	952,688	1,004,980
Other income		3,690	16,180	14,271	21,130
Total revenues		1,491,086	1,465,261	2,960,112	2,882,954
Interest expense		206,800	247,329	420,357	501,984
Net revenues	[1]	1,284,286	1,217,932	2,539,755	2,380,970
Non-interest expenses:
Compensation and benefits		774,936	722,719	1,507,156	1,402,414
Occupancy and equipment rental		95,678	89,852	186,444	178,564
Communications and office supplies		47,847	48,181	97,360	95,548
Commissions and floor brokerage		17,146	14,383	33,952	30,150
Provision for credit losses		8,328	2,954	20,348	8,222
Other operating expenses		126,531	112,949	417,311	220,487
Total non-interest expenses		1,070,466	991,038	2,262,571	1,935,385
Income from operations before income tax expense		213,820	226,894	277,184	445,585
Provision for income taxes		58,765	61,600	69,137	116,716
Net income		155,055	165,294	208,047	328,869
Preferred dividends		9,321	9,321	18,641	18,641
Net income available to common shareholders		$ 145,734	$ 155,973	$ 189,406	$ 310,228
Earnings per common share:
Basic		$ 1.41	$ 1.5	$ 1.82	$ 2.98
Diluted		1.34	1.41	1.73	2.82
Cash dividends declared per common share		$ 0.46	$ 0.42	$ 0.92	$ 0.84
Weighted-average number of common shares outstanding:
Basic		103,349	104,150	104,049	104,217
Diluted		108,847	110,285	109,791	110,156

[1] No individual client accounted for more than 10 percent of total net revenues for the three and six months ended June 30, 2025 and 2024.