- DefinitionAmount of unrecognized tax benefits.
Reference 1: http://www.xbrl.org/2003/role/disclosureRef
 -Publisher FASB
 -Name Accounting Standards Codification
 -Topic 740
 -SubTopic 10
 -Section 45
 -Paragraph 10B
 -URI http://asc.fasb.org/extlink&oid=120406818&loc=SL37586934-109318
Reference 2: http://www.xbrl.org/2003/role/disclosureRef
 -Publisher FASB
 -Name Accounting Standards Codification
 -Topic 740
 -SubTopic 10
 -Section 50
 -Paragraph 15A
 -Subparagraph (a)
 -URI http://asc.fasb.org/extlink&oid=84230637&loc=SL6600010-109319
| Name: | us-gaap_UnrecognizedTaxBenefits | 
| Namespace Prefix: | us-gaap_ | 
| Data Type: | xbrli:monetaryItemType | 
| Balance Type: | credit | 
| Period Type: | instant |