Cover [Abstract] Document Information [Table] Document Information [Line Items] Amendment Description Amendment Flag Auditor Firm ID Auditor Location Auditor Name City Area Code Contact Personnel Email Address Contact Personnel Name Current Fiscal Year End Date Document Accounting Standard Document Annual Report Document Financial Statement Error Correction [Flag] Document Fiscal Period Focus Document Fiscal Year Focus Document Period End Date Document Registration Statement Document Shell Company Report Document Transition Report Document Type Entity Address, Address Line One Entity Address, Address Line Two Entity Address, City or Town Entity Address, Country Entity Address, Postal Zip Code Entity Central Index Key Entity Common Stock, Shares Outstanding Entity Current Reporting Status Entity Emerging Growth Company Entity File Number Entity Filer Category Entity Incorporation, State or Country Code Entity Interactive Data Current Entity Registrant Name Entity Shell Company Entity Voluntary Filers Entity Well-known Seasoned Issuer ICFR Auditor Attestation Flag Local Phone Number No Trading Symbol Flag Title of 12(b) Security Security Exchange Name Trading Symbol Entity Addresses, Address Type [Axis] Address Type [Domain] Business Contact [Member] Class of Stock [Axis] Class of Stock [Domain] ADR [Member] Common Class A [Member] Common Class B [Member]