v3.26.1
Segment Reporting (Schedule Of Operating Information, Segment) (Parenthetical) (Details)
3 Months Ended
Mar. 31, 2026
Mar. 31, 2025
Segment Reporting [Abstract]
Net revenues accounted for by individual client, maximum percentage
10.00%
10.00%
X
- Definition
Net revenues accounted for by individual client, maximum percentage.
+ References
No definition available.
+ Details
Name:
sf_NetRevenuesAccountedForByIndividualClientMaximumPercentage
Namespace Prefix:
sf_
Data Type:
dtr-types:percentItemType
Balance Type:
na
Period Type:
duration
X
- References
No definition available.
+ Details
Name:
us-gaap_SegmentReportingAbstract
Namespace Prefix:
us-gaap_
Data Type:
xbrli:stringItemType
Balance Type:
na
Period Type:
duration