XML 112 R98.htm IDEA: XBRL DOCUMENT
v3.22.0.1

Disclosures About Offsetting Assets and Liabilities (Financial Assets and Derivative Assets that are Subject to Offset) (Details) - USD ($) $ in Thousands | Dec. 31, 2021 | Dec. 31, 2020
--- | --- | ---
Offsetting Assets [Line Items] |  |
Gross amounts of recognized assets, Securities borrowing | $ 260,586 | $ 313,131
Net amounts presented in the Statement of Financial Condition, Securities borrowing | 260,586 | 313,131
Gross amounts not offset in the Statement of Financial Position, Financial instruments, Securities borrowing | (40,259) | (46,183)
Gross amounts not offset in the Statement of Financial Position, Collateral received, Securities borrowing | (208,720) | (244,578)
Securities borrowed, Net amount | 11,607 | 22,370
Gross amounts of recognized assets, Reverse repurchase agreements | 579,866 | 217,930
Net amounts presented in the Statement of Financial Condition, Securities purchased under agreements to resell | 579,866 | 217,930
Gross amounts not offset in the Statement of Financial Position, Financial instruments, Securities purchased under agreements to resell | (52,413) | (17,992)
Gross amounts not offset in the Statement of Financial Position, Collateral received, Securities purchased under agreements to resell | (525,843) | (199,110)
Securities purchased under agreements to resell, Net amount | 1,610 | 828
Gross amounts of recognized assets | 892,581 | 531,061
Net amounts presented in the Statements of Financial Condition | 892,581 | 531,061
Gross amounts not offset in the Statement of Financial Position | (117,821) | (64,175)
Gross amounts not offset in the Statement of Financial Position, Collateral received | (761,543) | (443,688)
Net amount | 13,217 | $ 23,198
Interest Rate Contracts [Member] |  |
Offsetting Assets [Line Items] |  |
Gross amounts of recognized assets | 52,129 |
Net amounts presented in the Statements of Financial Condition | 52,129 |
Gross amounts not offset in the Statement of Financial Position | (25,149) |
Gross amounts not offset in the Statement of Financial Position, Collateral received | $ (26,980) |

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, 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 -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 20 -Section 55 -Paragraph 10 -URI http://asc.fasb.org/extlink&oid=99393222&loc=SL20226008-175313 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 20 -Section 50 -Paragraph 3 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=51824906&loc=SL20225862-175312 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 860 -SubTopic 30 -Section 50 -Paragraph 1A -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=109249958&loc=SL6224234-111729 + 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 -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 20 -Section 55 -Paragraph 12 -URI http://asc.fasb.org/extlink&oid=99393222&loc=SL20226013-175313 + 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 -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 20 -Section 50 -Paragraph 3 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=51824906&loc=SL20225862-175312 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 20 -Section 55 -Paragraph 7 -URI http://asc.fasb.org/extlink&oid=99393222&loc=SL20226000-175313 + 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/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-08(m)(2)(i)(A)) -URI http://asc.fasb.org/extlink&oid=120395691&loc=d3e23780-122690 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03(3)) -URI http://asc.fasb.org/extlink&oid=120398452&loc=d3e534808-122878 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 20 -Section 50 -Paragraph 3 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=51824906&loc=SL20225862-175312 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 20 -Section 55 -Paragraph 10 -URI http://asc.fasb.org/extlink&oid=99393222&loc=SL20226008-175313 + 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 -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 20 -Section 55 -Paragraph 12 -URI http://asc.fasb.org/extlink&oid=99393222&loc=SL20226013-175313 + 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 -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 20 -Section 50 -Paragraph 3 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=51824906&loc=SL20225862-175312 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 20 -Section 55 -Paragraph 7 -URI http://asc.fasb.org/extlink&oid=99393222&loc=SL20226000-175313 + 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: |