75000 - Document - Document and Entity Information link:presentationLink link:calculationLink link:definitionLink 999009 - Disclosure - Anchoring link:presentationLink link:calculationLink link:definitionLink Entity Incorporation, State or Country Code Entity Incorporation, State or Country Code Entity Current Reporting Status Entity Current Reporting Status Document Fiscal Period Focus Document Fiscal Period Focus Entity Shell Company Entity Shell Company Statement [Table] Statement [Table] Statement [Line Items] Statement [Line Items] Entity Filer Category Entity Filer Category Documents Incorporated by Reference Documents Incorporated by Reference [Text Block] Entity Small Business Entity Small Business Entity Well-known Seasoned Issuer Entity Well-known Seasoned Issuer Class A common stock Class A Common Stock Class A Share Amendment Flag Amendment Flag Entity Address, Postal Zip Code Entity Address, Postal Zip Code Dividends Or Other Earnings Paid On Equity Awards Not Otherwise Reflected In Fair Value [Member] This member presents the equity awards adjustments on dividends or other earnings paid on equity awards not otherwise reflected in fair value. Year-end Fair Value Of Awards Granted In The Current Fiscal Year [Member] This member presents the equity awards adjustments on the year-end fair value of any equity awards granted in the applicable year that are outstanding and unvested as of the end of the year. Entity Address, Address Line One Entity Address, Address Line One Total Equity Awards Adjustments [Member] This member presents the total equity awards adjustments, which may be comprised of adjustments for (i) the year-end fair value of any equity awards granted in the applicable year that are outstanding and unvested as of the end of the year; (ii) the change in fair value from the end of the prior fiscal year of any awards granted in prior years that are outstanding and unvested as of the end of the applicable year; (iii) for awards granted in prior years that vest in the applicable year, the amount equal to the change in value as of the vesting date (from the end of the prior fiscal year); (iv) adjustments for equity awards that failed to meet performance conditions; and (v) dividends or other earnings paid on equity awards not otherwise reflected in fair value. Document Type Document Type Entity Central Index Key Entity Central Index Key Equity Awards Value In Summary Compensation Table (Grant Date Value) [Member] This member presents the adjustment (deduction) for equity awards value from summary compensation table. Document Financial Statement Error Correction [Flag] Change In Fair Value At The End Of The Prior Year Of Equity Awards That Were Forfeited In The Year [Member] This member presents change in fair value at the end of the prior year of equity awards that were forfeited in the year. Current Fiscal Year End Date Current Fiscal Year End Date Entity Address, State or Province Entity Address, State or Province Auditor Firm ID Auditor Firm ID Net Income (Loss), Including Portion Attributable to Noncontrolling Interest Net loss Net loss Net loss Class V Common Stock Class V Common Stock [Member] Class V common stock. Entity Address, Address Line Two Entity Address, Address Line Two Entity Address, City or Town Entity Address, City or Town Security Exchange Name Security Exchange Name Document Period End Date Document Period End Date ICFR Auditor Attestation Flag ICFR Auditor Attestation Flag Class of Stock Class of Stock [Axis] Change In Fair Value As Of Vesting Date Of Prior Year Awards Vested During Current Year [Member] This member presents the equity awards adjustments on the change in fair value (as of vesting date) of prior year awards vested during current year. Change In Fair Value Of Outstanding And Unvested Awards Granted In Prior Fiscal Years [Member] This member presents the equity awards adjustments on the change in fair value from the end of the prior fiscal year of any awards granted in prior years that are outstanding and unvested as of the end of the applicable year. Entity File Number Securities Act File Number Cover [Abstract] Total Net Adjustments For Equity Awards [Member] This member presents the net compensation adjustment for equity awards, which is comprised of equity awards value from summary compensation table, net of total equity awards adjustments. Document Transition Report Document Transition Report No Trading Symbol Flag Preferred Stock Purchase Rights [Member] Preferred stock purchase rights. Preferred Stock Purchase Rights Document Fiscal Year Focus Document Fiscal Year Focus Title of 12(b) Security Title of 12(b) Security Trading Symbol Trading Symbol Document Annual Report Document Annual Report Entity Public Float Entity Public Float Entity Registrant Name Entity Registrant Name Entity Voluntary Filers Entity Voluntary Filers Amendment Description Entity Common Stock, Shares Outstanding Entity Common Stock, Shares Outstanding City Area Code City Area Code Auditor Name Auditor Name Change In Fair Value As Of Vesting Date Of Awards Vested During Current Year [Member] This member presents the equity awards adjustments on the change in fair value (as of vesting date) of awards vested during current year. Auditor Location Auditor Location Entity Interactive Data Current Entity Interactive Data Current Entity Tax Identification Number Entity Tax Identification Number Local Phone Number Local Phone Number Auditor Opinion [Text Block] Class of Stock Class of Stock [Domain] Entity Emerging Growth Company Entity Emerging Growth Company