Variable Interest Entities	12 Months Ended
Dec. 31, 2019
Variable Interest Entity Not Primary Beneficiary Disclosures [Abstract]
Variable Interest Entities	NOTE 29 – Variable Interest Entities Our company’s involvement with VIEs is limited to entities used as investment vehicles, the establishment of Stifel Financial Capital Trusts, and the ownership of a securitization that purchases, leases, and disposes of aircraft engines. We have formed several non-consolidated investment funds with third-party investors that are typically organized as limited liability companies (“LLCs”) or limited partnerships. These partnerships and LLCs have assets of $258.2 million at December 31, 2019. For those funds where we act as the general partner, our company’s economic interest is generally limited to management fee arrangements as stipulated by the fund operating agreements. We have generally provided the third-party investors with rights to terminate the funds or to remove us as the general partner. Management fee revenue earned by our company was insignificant during the years ended December 31, 2019, 2018, and 2017. In addition, our direct investment interest in these entities is insignificant at December 31, 2019 and 2018. For the entities noted above that were determined to be VIEs, we have concluded that we are not the primary beneficiary, and therefore, we are not required to consolidate these entities. Debenture to Stifel Financial Capital Trusts We have completed private placements of cumulative trust preferred securities through Stifel Financial Capital Trust II, Stifel Financial Capital Trust III, and Stifel Financial Capital Trust IV (collectively, the “Trusts”). The Trusts are non-consolidated wholly owned business trust subsidiaries of our company and were established for the limited purpose of issuing trust securities to third parties and lending the proceeds to our company. The trust preferred securities represent an indirect interest in junior subordinated debentures purchased from our company by the Trusts, and we effectively provide for the full and unconditional guarantee of the securities issued by the Trusts. We make timely payments of interest to the Trusts as required by contractual obligations, which are sufficient to cover payments due on the securities issued by the Trusts, and believe that it is unlikely that any circumstances would occur that would make it necessary for our company to make payments related to these Trusts other than those required under the terms of the debenture agreements and the trust preferred securities agreements. The Trusts were determined to be VIEs because the holders of the equity investment at risk do not have adequate decision-making ability over the Trust’s activities. Our investment in the Trusts is not a variable interest, because equity interests are variable interests only to the extent that the investment is considered to be at risk. Because our investment was funded by the Trusts, it is not considered to be at risk. Securitization Interests On July 31, 2018, the Company purchased 100% of the share capital of Jet Holding S.a.r.l. (“Jet Holdings”), which is the owner of 100% of the outstanding E-Certificates in FAN Engine Securitization Ltd. (“FAN”). FAN is a securitization which purchases, leases, and disposes of commercial aircraft engines. As of the acquisition date, FAN owned 24 leased aircraft engines through common law trusts and FAN Leasing Dublin Limited, all of which are wholly owned subsidiaries of FAN. As the holder of the E-Certificate, our obligation to absorb losses is limited to the equity at risk (in this instance the consideration paid to acquire the E-Certificate). The residual returns that could be potentially generated by the activities of FAN are not pro rata with our ownership interests in the securitization. As Jet Holdings maintained significant power and benefits of FAN through the E-Certificate and other contractual rights, on the acquisition date, our company was considered the primary beneficiary, and Jet Holdings and FAN were consolidated. On May 1, 2019, the holders of the Series A Notes issued a Written Direction to Give Default Notice to Deutsche Bank Trust. The Event of Default Notice, which accelerated the amortization on the repayment of the debt, materially altered the cash flows and benefits available to our company as the holder of the E-Certificate. Based on the structural changes of the securitization interests, the Company concluded that it was no longer the primary beneficiary of the variable interest; therefore, Jet Holdings and FAN were deconsolidated on July 1, 2019. The impact of the deconsolidation was immaterial to the consolidated financial statements.

Variable Interest Entities

12 Months Ended

Dec. 31, 2019

Variable Interest Entity Not Primary Beneficiary Disclosures [Abstract]

NOTE 29 – Variable Interest Entities

Our company’s involvement with VIEs is limited to entities used as investment vehicles, the establishment of Stifel Financial Capital Trusts, and the ownership of a securitization that purchases, leases, and disposes of aircraft engines.

We have formed several non-consolidated investment funds with third-party investors that are typically organized as limited liability companies (“LLCs”) or limited partnerships. These partnerships and LLCs have assets of $258.2 million at December 31, 2019. For those funds where we act as the general partner, our company’s economic interest is generally limited to management fee arrangements as stipulated by the fund operating agreements. We have generally provided the third-party investors with rights to terminate the funds or to remove us as the general partner. Management fee revenue earned by our company was insignificant during the years ended December 31, 2019, 2018, and 2017. In addition, our direct investment interest in these entities is insignificant at December 31, 2019 and 2018.

For the entities noted above that were determined to be VIEs, we have concluded that we are not the primary beneficiary, and therefore, we are not required to consolidate these entities.

Debenture to Stifel Financial Capital Trusts

We have completed private placements of cumulative trust preferred securities through Stifel Financial Capital Trust II, Stifel Financial Capital Trust III, and Stifel Financial Capital Trust IV (collectively, the “Trusts”). The Trusts are non-consolidated wholly owned business trust subsidiaries of our company and were established for the limited purpose of issuing trust securities to third parties and lending the proceeds to our company.

The trust preferred securities represent an indirect interest in junior subordinated debentures purchased from our company by the Trusts, and we effectively provide for the full and unconditional guarantee of the securities issued by the Trusts. We make timely

payments of interest to the Trusts as required by contractual obligations, which are sufficient to cover payments due on the securities issued by the Trusts, and believe that it is unlikely that any circumstances would occur that would make it necessary for our company to make payments related to these Trusts other than those required under the terms of the debenture agreements and the trust preferred securities agreements. The Trusts were determined to be VIEs because the holders of the equity investment at risk do not have adequate decision-making ability over the Trust’s activities. Our investment in the Trusts is not a variable interest, because equity interests are variable interests only to the extent that the investment is considered to be at risk. Because our investment was funded by the Trusts, it is not considered to be at risk.

Securitization Interests

On July 31, 2018, the Company purchased 100% of the share capital of Jet Holding S.a.r.l. (“Jet Holdings”), which is the owner of 100% of the outstanding E-Certificates in FAN Engine Securitization Ltd. (“FAN”). FAN is a securitization which purchases, leases, and disposes of commercial aircraft engines. As of the acquisition date, FAN owned 24 leased aircraft engines through common law trusts and FAN Leasing Dublin Limited, all of which are wholly owned subsidiaries of FAN.

As the holder of the E-Certificate, our obligation to absorb losses is limited to the equity at risk (in this instance the consideration paid to acquire the E-Certificate). The residual returns that could be potentially generated by the activities of FAN are not pro rata with our ownership interests in the securitization. As Jet Holdings maintained significant power and benefits of FAN through the E-Certificate and other contractual rights, on the acquisition date, our company was considered the primary beneficiary, and Jet Holdings and FAN were consolidated.

On May 1, 2019, the holders of the Series A Notes issued a Written Direction to Give Default Notice to Deutsche Bank Trust. The Event of Default Notice, which accelerated the amortization on the repayment of the debt, materially altered the cash flows and benefits available to our company as the holder of the E-Certificate. Based on the structural changes of the securitization interests, the Company concluded that it was no longer the primary beneficiary of the variable interest; therefore, Jet Holdings and FAN were deconsolidated on July 1, 2019. The impact of the deconsolidation was immaterial to the consolidated financial statements.

- Definition

Tabular disclosure of the significant judgments and assumptions made in determining whether a variable interest (as defined) held by the entity requires the variable interest entity (VIE) (as defined) to be consolidated and (or) disclose information about its involvement with the VIE, individually or in aggregate (as applicable); the nature of restrictions, if any, on the consolidated VIE's assets and on the settlement of its liabilities reported by an entity in its statement of financial position, including the carrying amounts of such assets and liabilities; the nature of, and changes in, the risks associated with involvement in the VIE; how involvement with the VIE affects the entity's financial position, financial performance, and cash flows; the lack of recourse if creditors (or beneficial interest holders) of the consolidated VIE have no recourse to the general credit of the primary beneficiary (if applicable); the terms of arrangements, giving consideration to both explicit arrangements and implicit variable interests, if any, that could require the entity to provide financial support to the VIE, including events or circumstances that could expose the entity to a loss; the methodology used by the entity for determining whether or not it is the primary beneficiary of the variable interest entity; the significant factors considered and judgments made in determining that the power to direct the activities of a VIE that most significantly impact the VIE's economic performance are shared (as defined); the carrying amounts and classification of assets and liabilities of the VIE included in the statement of financial position; the entity's maximum exposure to loss, if any, as a result of its involvement with the VIE, including how the maximum exposure is determined and significant sources of the entity's exposure to the VIE; a comparison of the carrying amounts of the assets and liabilities and the entity's maximum exposure to loss; information about any liquidity arrangements, guarantees, and (or) other commitments by third parties that may affect the fair value or risk of the entity's variable interest in the VIE; whether or not the entity has provided financial support or other support (explicitly or implicitly) to the VIE that it was not previously contractually required to provide or whether the entity intends to provide that support, including the type and amount of the support and the primary reasons for providing the support; and supplemental information the entity determines necessary to provide.

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