- DefinitionPCAOB issued Audit Firm Identifier
 
+ ReferencesReference 1: http://www.xbrl.org/2003/role/presentationRef
 -Publisher SEC
 -Name Form 10-K
 -Number 249
 -Section 310
Reference 2: http://www.xbrl.org/2003/role/presentationRef
 -Publisher SEC
 -Name Form 20-F
 -Number 249
 -Section 220
 -Subsection f
Reference 3: http://www.xbrl.org/2003/role/presentationRef
 -Publisher SEC
 -Name Form 40-F
 -Number 249
 -Section 240
 -Subsection f
 
+ Details
|  Name: | 
dei_AuditorFirmId | 
|  Namespace Prefix: | 
dei_ | 
|  Data Type: | 
dei:nonemptySequenceNumberItemType | 
|  Balance Type: | 
na | 
|  Period Type: | 
duration |