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Procedures Adopted Insider Trading Policies and Procedures Adopted [Flag] Measure: Measure [Axis] Name Measure Name Document Transition Report Document Transition Report Compensation Actually Paid vs. Total Shareholder Return Compensation Actually Paid vs. Total Shareholder Return [Text Block] Document Fiscal Period Focus Document Fiscal Period Focus Underlying Securities Award Underlying Securities Amount Document Period End Date Document Period End Date Award Timing Method Award Timing Method [Text Block] PEO Actually Paid Compensation Amount PEO Actually Paid Compensation Amount Award Type Award Type [Axis] Pay vs Performance Disclosure, Table Pay vs Performance [Table Text Block] Entity Central Index Key Entity Central Index Key Common Class A Common Class A [Member] PEO Name PEO Name Forgone Recovery due to Violation of Home Country Law, Amount Forgone Recovery due to Violation of Home Country Law, Amount Entity Tax Identification Number Entity Tax Identification Number Prior Year 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