XML 69 R53.htm IDEA: XBRL DOCUMENT
v3.3.1.900

Net income per share attributable to common stockholders - Additional Information (Details) | 1 Months Ended
--- | ---
Jun. 30, 2014 vote
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items] |
Stockholders' Equity Note, Outstanding Shares Less than 10% of Aggregate Shares Outstanding, Conversion Ratio | 1
Common Class A [Member] |
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items] |
Common Stock, Voting Rights, Number | 1
Common Class B [Member] |
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items] |
Common Stock, Voting Rights, Number | 10

X
- Definition Common Stock, Voting Rights, Number + References No definition available. + Details
Name: | gpro_CommonStockVotingRightsNumber
Namespace Prefix: | gpro_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

X
- Definition Stockholders' Equity Note, Outstanding Shares Less than 10% of Aggregate Shares Outstanding, Conversion Ratio + References No definition available. + Details
Name: | gpro_StockholdersEquityNoteOutstandingSharesLessthan10ofAggregateSharesOutstandingConversionRatio
Namespace Prefix: | gpro_
Data Type: | xbrli:pureItemType
Balance Type: | na
Period Type: | duration

X
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
Name: | us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_StatementClassOfStockAxis=us-gaap_CommonClassAMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementClassOfStockAxis=us-gaap_CommonClassBMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |