- ReferencesReference 1: http://www.xbrl.org/2003/role/presentationRef
 -Publisher SEC
 -Name Regulation S-K
 -Number 229
 -Section 408
 -Subsection b
 -Paragraph 1
Reference 2: http://www.xbrl.org/2003/role/presentationRef
 -Publisher SEC
 -Name Form 20-F
 -Section 16
 -Subsection J
 -Paragraph a
| Name: | ecd_InsiderTradingPoliciesProcLineItems | 
| Namespace Prefix: | ecd_ | 
| Data Type: | xbrli:stringItemType | 
| Balance Type: | na | 
| Period Type: | duration |