- DefinitionPercentage of domestic federal statutory tax rate applicable to pretax income (loss).
Reference 1: http://www.xbrl.org/2003/role/presentationRef
 -Publisher FASB
 -Name Accounting Standards Codification
 -Topic 740
 -SubTopic 10
 -Section 50
 -Paragraph 12
 -URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32687-109319
Reference 2: http://www.xbrl.org/2003/role/presentationRef
 -Publisher FASB
 -Name Accounting Standards Codification
 -Topic 740
 -SubTopic 10
 -Section S99
 -Paragraph 1
 -Subparagraph (SAB TOPIC 6.I)
 -URI http://asc.fasb.org/extlink&oid=34349781&loc=d3e330036-122817
Reference 3: http://www.xbrl.org/2003/role/presentationRef
 -Publisher FASB
 -Name Accounting Standards Codification
 -Topic 740
 -SubTopic 10
 -Section 50
 -Paragraph 13
 -URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32698-109319
| Name: | us-gaap_EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate | 
| Namespace Prefix: | us-gaap_ | 
| Data Type: | num:percentItemType | 
| Balance Type: | na | 
| Period Type: | duration |