v3.26.1
Refund Liabilities (Tables)
12 Months Ended
Dec. 31, 2025
Accounting Policies [Abstract]
Summary of Change in Refund Liabilities
The changes in the refund liabilities are summarized as follows:
Year Ended December 31
2024
2025
US$
US$
Refund liabilities
Balance, beginning of year
3,329
5,968
Additions
5,209
1,838
Actual sales return and discount
(2,570
)
(1,794
)
Balance, end of year
5,968
6,012
X
- Definition
Summary Of Changes In Refund LiabilitiesTable [Text Block]
+ References
No definition available.
+ Details
Name:
simo_SummaryOfChangesInRefundLiabilitiesTableTextBlock
Namespace Prefix:
simo_
Data Type:
dtr-types:textBlockItemType
Balance Type:
na
Period Type:
duration
X
- References
No definition available.
+ Details
Name:
us-gaap_AccountingPoliciesAbstract
Namespace Prefix:
us-gaap_
Data Type:
xbrli:stringItemType
Balance Type:
na
Period Type:
duration