XML 98 R91.htm IDEA: XBRL DOCUMENT
v3.24.2.u1

Disclosures About Offsetting Assets and Liabilities - Financial Assets and Derivative Assets that are Subject to Offset (Details) - USD ($) $ in Thousands | Jun. 30, 2024 | Dec. 31, 2023
--- | --- | ---
Offsetting Assets [Line Items] |  |
Gross amounts of recognized assets, Securities borrowing | $ 188,081 | $ 215,368
Net amounts presented in the Statement of Financial Condition, Securities borrowing | 188,081 | 215,368
Gross amounts not offset in the Statement of Financial Position, Financial instruments, Securities borrowing | (51,334) | (23,691)
Gross amounts not offset in the Statement of Financial Position, Collateral received, Securities borrowing | (125,288) | (184,689)
Securities borrowed, Net amount | 11,459 | 6,988
Gross amounts of recognized assets, Reverse repurchase agreements | 439,539 | 349,849
Net amounts presented in the Statement of Financial Condition, Securities purchased under agreements to resell | 439,539 | 349,849
Gross amounts not offset in the Statement of Financial Position, Financial instruments, Securities purchased under agreements to resell | (21,904) | (23,441)
Gross amounts not offset in the Statement of Financial Position, Collateral received, Securities purchased under agreements to resell | (415,739) | (325,627)
Securities purchased under agreements to resell, Net amount | 1,896 | 781
Gross amounts of recognized assets | 754,797 | 683,885
Gross amounts not offset in the Statement of Financial Position | (78,201) | (61,688)
Net amounts presented in the Statements of Financial Condition | 754,797 | 683,885
Gross amounts not offset in the Statement of Financial Position, Collateral received | (644,440) | (592,923)
Net amount | 32,156 | 29,274
Interest Rate Contracts [Member] |  |
Offsetting Assets [Line Items] |  |
Gross amounts of recognized assets | 127,177 | 118,668
Gross amounts not offset in the Statement of Financial Position | (4,963) | (14,556)
Net amounts presented in the Statements of Financial Condition | 127,177 | 118,668
Gross amounts not offset in the Statement of Financial Position, Collateral received | (103,413) | (82,607)
Offsetting assets interest rate contracts net | $ 18,801 | $ 21,505

X
- Definition Offsetting assets. + References No definition available. + Details
Name: | sf_OffsettingAssets
Namespace Prefix: | sf_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Offsetting assets, amounts not offset. + References No definition available. + Details
Name: | sf_OffsettingAssetsAmountsNotOffset
Namespace Prefix: | sf_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Offsetting assets, collateral received. + References No definition available. + Details
Name: | sf_OffsettingAssetsCollateralReceived
Namespace Prefix: | sf_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Offsetting assets gross amounts of recognized assets. + References No definition available. + Details
Name: | sf_OffsettingAssetsGrossAmountsOfRecognizedAssets
Namespace Prefix: | sf_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Offsetting assets interest rate contracts net. + References No definition available. + Details
Name: | sf_OffsettingAssetsInterestRateContractsNet
Namespace Prefix: | sf_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Offsetting assets, net amount. + References No definition available. + Details
Name: | sf_OffsettingAssetsNetAmount
Namespace Prefix: | sf_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Securities borrowed, amount not offset against collateral. + References No definition available. + Details
Name: | sf_SecuritiesBorrowedAmountNotOffsetAgainstCollateral
Namespace Prefix: | sf_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Securities borrowed, net amount. + References No definition available. + Details
Name: | sf_SecuritiesBorrowedNetAmount
Namespace Prefix: | sf_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Securities purchased under agreements to resell, amounts not offset. + References No definition available. + Details
Name: | sf_SecuritiesPurchasedUnderAgreementsToResellAmountsNotOffset
Namespace Prefix: | sf_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Securities purchased under agreements to resell, net amount. + References No definition available. + Details
Name: | sf_SecuritiesPurchasedUnderAgreementsToResellNetAmount
Namespace Prefix: | sf_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
Name: | us-gaap_OffsettingAssetsLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount, after the effects of master netting arrangements, of securities borrowed from entities in exchange for collateral. Includes assets not subject to a master netting arrangement and not elected to be offset. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 210 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 3 -Subparagraph (c) -Publisher FASB -URI https://asc.fasb.org/1943274/2147483466/210-20-50-3 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 210 -SubTopic 20 -Name Accounting Standards Codification -Section 55 -Paragraph 10 -Publisher FASB -URI https://asc.fasb.org/1943274/2147483444/210-20-55-10 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 860 -SubTopic 30 -Section 50 -Paragraph 1A -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org/1943274/2147481420/860-30-50-1A + Details
Name: | us-gaap_SecuritiesBorrowed
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Fair value of the securities received as collateral against securities borrowed. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 210 -SubTopic 20 -Name Accounting Standards Codification -Section 55 -Paragraph 12 -Publisher FASB -URI https://asc.fasb.org/1943274/2147483444/210-20-55-12 + Details
Name: | us-gaap_SecuritiesBorrowedFairValueOfCollateral
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Amount, before effects of master netting arrangements, of securities borrowed from entities in exchange for collateral. Includes assets elected not to be offset. Excludes assets not subject to a master netting arrangement. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 210 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 3 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147483466/210-20-50-3 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 210 -SubTopic 20 -Name Accounting Standards Codification -Section 55 -Paragraph 7 -Publisher FASB -URI https://asc.fasb.org/1943274/2147483444/210-20-55-7 + Details
Name: | us-gaap_SecuritiesBorrowedGross
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount, after the effects of master netting arrangements, of funds outstanding loaned in the form of a security resale agreement between the entity and another party for the purchase and resale of identical or substantially the same securities at a date certain for a specified price. Includes purchases of participations in pools of securities that are subject to a resale agreement, assets not subject to a master netting arrangement and not elected to be offset. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 860 -SubTopic 30 -Name Accounting Standards Codification -Section 45 -Paragraph 2A -Publisher FASB -URI https://asc.fasb.org/1943274/2147481444/860-30-45-2A Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 942 -SubTopic 210 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03(3)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147478546/942-210-S99-1 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 210 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 3 -Subparagraph (c) -Publisher FASB -URI https://asc.fasb.org/1943274/2147483466/210-20-50-3 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Topic 210 -SubTopic 20 -Name Accounting Standards Codification -Section 55 -Paragraph 10 -Publisher FASB -URI https://asc.fasb.org/1943274/2147483444/210-20-55-10 Reference 5: http://www.xbrl.org/2003/role/disclosureRef -Topic 235 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-08(m)(2)(i)(A)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480678/235-10-S99-1 + Details
Name: | us-gaap_SecuritiesPurchasedUnderAgreementsToResell
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Fair value of securities received as collateral against securities purchased under agreement to resell. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 210 -SubTopic 20 -Name Accounting Standards Codification -Section 55 -Paragraph 12 -Publisher FASB -URI https://asc.fasb.org/1943274/2147483444/210-20-55-12 + Details
Name: | us-gaap_SecuritiesPurchasedUnderAgreementsToResellFairValueOfCollateral
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Amount, before effects of master netting arrangements, of funds outstanding loaned in the form of a security resale agreement between the entity and another party for the purchase and resale of identical or substantially the same securities at a date certain for a specified price. Includes assets elected not to be offset. Excludes assets not subject to a master netting arrangement. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 210 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 3 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147483466/210-20-50-3 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 210 -SubTopic 20 -Name Accounting Standards Codification -Section 55 -Paragraph 7 -Publisher FASB -URI https://asc.fasb.org/1943274/2147483444/210-20-55-7 + Details
Name: | us-gaap_SecuritiesPurchasedUnderAgreementsToResellGross
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Details
Name: | us-gaap_DerivativeInstrumentRiskAxis=us-gaap_InterestRateContractMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |