v3.10.0.1
Balance Sheet Components - Additional Information (Details) - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2018
Dec. 31, 2017
Dec. 31, 2016
Balance Sheet Related Disclosures [Abstract]
Depreciation and amortization
$ 7.8
$ 5.2
$ 5.3
X
- Definition
Depreciation and amortization of property plant and equipment.
+ References
No definition available.
+ Details
Name:
roku_DepreciationAndAmortizationOfPropertyPlantAndEquipment
Namespace Prefix:
roku_
Data Type:
xbrli:monetaryItemType
Balance Type:
debit
Period Type:
duration
X
- References
No definition available.
+ Details
Name:
us-gaap_BalanceSheetRelatedDisclosuresAbstract
Namespace Prefix:
us-gaap_
Data Type:
xbrli:stringItemType
Balance Type:
na
Period Type:
duration