- DefinitionTabular disclosure of the type of arrangements and the corresponding amounts that comprise the current and noncurrent balance of deferred revenue as of the balance sheet date.
Reference 1: http://www.xbrl.org/2003/role/presentationRef
 -Publisher FASB
 -Name Accounting Standards Codification
 -Topic 605
 -SubTopic 10
 -Section S99
 -Paragraph 1
 -Subparagraph (SAB TOPIC 13.A.4(a).Q1)
 -URI http://asc.fasb.org/extlink&oid=27012821&loc=d3e214044-122780
Reference 2: http://www.xbrl.org/2003/role/presentationRef
 -Publisher FASB
 -Name Accounting Standards Codification
 -Topic 210
 -SubTopic 10
 -Section 45
 -Paragraph 8
 -Subparagraph (b)
 -URI http://asc.fasb.org/extlink&oid=28358313&loc=d3e6935-107765
Reference 3: http://www.xbrl.org/2003/role/presentationRef
 -Publisher SEC
 -Name Staff Accounting Bulletin (SAB)
 -Number Topic 13
 -Section A
| Name: | us-gaap_DeferredRevenueByArrangementDisclosureTextBlock | 
| Namespace Prefix: | us-gaap_ | 
| Data Type: | nonnum:textBlockItemType | 
| Balance Type: | na | 
| Period Type: | duration |