ADR [Member]

NameAdrMember
Namespacehttp://xbrl.sec.gov/dei/2019-01-31
Prefixdei
Data typenonnum:domainItemType
Period typeduration
Substitution Groupxbrli:item
BalanceNone
NillableTrue
AbstractTrue

Labels

TextLangRoleContainer role
American Depository Receipt (or American Depository Share, ADS).en-UShttp://www.xbrl.org/2003/role/documentationhttp://www.xbrl.org/2003/role/link
ADR [Member]en-UShttp://www.xbrl.org/2003/role/labelhttp://www.xbrl.org/2003/role/link

References

NameValueRole
PublisherSEChttp://www.xbrl.org/2003/role/presentationRef
NameExchange Acthttp://www.xbrl.org/2003/role/presentationRef
Number240http://www.xbrl.org/2003/role/presentationRef
Section15http://www.xbrl.org/2003/role/presentationRef
Subsectiond-3http://www.xbrl.org/2003/role/presentationRef