v3.25.4
Capital Commitments and Contingent Liabilities - Additional Information (Details) - USD ($)
Dec. 31, 2025
Dec. 31, 2024
Commitments and Contingencies Disclosure [Abstract]
Capital commitments
$ 0
X
- Definition
Capital commitments.
+ References
No definition available.
+ Details
Name:
sln_CapitalCommitments
Namespace Prefix:
sln_
Data Type:
xbrli:monetaryItemType
Balance Type:
credit
Period Type:
instant
X
- References
No definition available.
+ Details
Name:
us-gaap_CommitmentsAndContingenciesDisclosureAbstract
Namespace Prefix:
us-gaap_
Data Type:
xbrli:stringItemType
Balance Type:
na
Period Type:
duration