Consolidated Statements Of Financial Condition - USD ($) $ in Thousands	Sep. 30, 2021	Dec. 31, 2020
Assets
Cash and cash equivalents	$ 2,054,273	$ 2,279,274
Cash segregated for regulatory purposes	26,095	172,932
Receivables:
Brokerage clients, net	1,121,827	936,500
Brokers, dealers, and clearing organizations	488,429	549,492
Securities purchased under agreements to resell	598,535	217,930
Financial instruments owned, at fair value	1,199,386	694,028
Available-for-sale securities, at fair value	2,242,465	2,230,297
Held-to-maturity securities, at amortized cost	5,347,821	4,117,384
Loans:
Held for investment, net	13,502,587	11,006,760
Held for sale, at lower of cost or market	156,110	551,248
Investments, at fair value	120,919	113,862
Fixed assets, net	307,602	167,915
Operating lease right-of-use assets, net	756,885	793,181
Goodwill	1,182,313	1,181,998
Intangible assets, net	127,725	140,984
Loans and advances to financial advisors and other employees, net	607,552	596,993
Deferred tax assets, net	179,715	136,477
Other assets	800,095	716,999
Total assets	30,820,334	26,604,254
Payables:
Brokerage clients	1,317,245	1,063,937
Brokers, dealers, and clearing organizations	245,278	177,937
Drafts	85,889	117,737
Securities sold under agreements to repurchase	195,451	190,955
Bank deposits	20,398,874	17,396,497
Financial instruments sold, but not yet purchased, at fair value	721,028	437,978
Accrued compensation	728,390	638,298
Accounts payable and accrued expenses	1,111,645	1,169,740
Federal Home Loan Bank advances	52,000
Senior notes	1,113,210	1,112,409
Debentures to Stifel Financial Capital Trusts	60,000	60,000
Total liabilities	26,029,010	22,365,488
Stifel Financial Corp. shareholders' equity:
Preferred stock - $1 par value; authorized 3,000,000 shares; issued 27,400 and 21,400 shares, respectively	685,000	535,000
Common stock - $0.15 par value; authorized 194,000,000 shares; issued 111,661,728 and 111,661,621 shares, respectively	16,749	16,749
Additional paid-in-capital	1,864,011	1,888,982
Retained earnings	2,528,727	2,078,135
Accumulated other comprehensive income	21,585	27,639
Treasury stock, at cost, 7,398,501 and 8,512,584 shares, respectively	(324,748)	(307,739)
Total equity	4,791,324	4,238,766
Total liabilities and equity	$ 30,820,334	$ 26,604,254