Consolidated Statements Of Financial Condition - USD ($) $ in Thousands	Mar. 31, 2021	Dec. 31, 2020
Assets
Cash and cash equivalents	$ 1,425,511	$ 2,279,274
Cash segregated for regulatory purposes	95,074	172,932
Receivables:
Brokerage clients, net	1,202,601	936,500
Brokers, dealers, and clearing organizations	562,432	549,492
Securities purchased under agreements to resell	470,025	217,930
Financial instruments owned, at fair value	981,282	694,028
Available-for-sale securities, at fair value	2,190,128	2,230,297
Held-to-maturity securities, at amortized cost	4,761,401	4,117,384
Loans:
Held for investment, net	12,091,713	11,006,760
Held for sale, at lower of cost or market	330,521	551,248
Investments, at fair value	119,545	113,862
Fixed assets, net	165,707	167,915
Operating lease right-of-use assets, net	774,837	793,181
Goodwill	1,182,313	1,181,998
Intangible assets, net	136,776	140,984
Loans and advances to financial advisors and other employees, net	600,622	596,993
Deferred tax assets, net	95,015	136,477
Other assets	956,078	716,999
Total assets	28,141,581	26,604,254
Payables:
Brokerage clients	885,659	1,063,937
Brokers, dealers, and clearing organizations	308,937	177,937
Drafts	78,146	117,737
Securities sold under agreements to repurchase	208,228	190,955
Bank deposits	18,715,133	17,396,497
Financial instruments sold, but not yet purchased, at fair value	644,762	437,978
Accrued compensation	399,049	638,298
Accounts payable and accrued expenses	1,410,123	1,169,740
Senior notes	1,112,672	1,112,409
Debentures to Stifel Financial Capital Trusts	60,000	60,000
Total liabilities	23,822,709	22,365,488
Stifel Financial Corp. shareholders' equity:
Preferred stock - $1 par value; authorized 3,000,000 shares; issued 21,400 shares	535,000	535,000
Common stock - $0.15 par value; authorized 194,000,000 shares; issued 111,661,660 and 111,661,621 shares, respectively	16,749	16,749
Additional paid-in-capital	1,814,616	1,888,982
Retained earnings	2,202,701	2,078,135
Accumulated other comprehensive income	7,305	27,639
Treasury stock, at cost, 6,446,242 and 8,512,584 shares, respectively	(257,499)	(307,739)
Total equity	4,318,872	4,238,766
Total liabilities and equity	$ 28,141,581	$ 26,604,254