v3.20.1
Stockholders' Equity - Common Stock - Additional Information (Details)
3 Months Ended
Mar. 31, 2020
Class
Equity [Abstract]
Number of classes
2
X
- Definition
Number of classes of common stock.
+ References
No definition available.
+ Details
Name:
roku_NumberOfClassesOfCommonStock
Namespace Prefix:
roku_
Data Type:
xbrli:integerItemType
Balance Type:
na
Period Type:
duration
X
- References
No definition available.
+ Details
Name:
us-gaap_EquityAbstract
Namespace Prefix:
us-gaap_
Data Type:
xbrli:stringItemType
Balance Type:
na
Period Type:
duration