Label	Element	Value
Registration Payment Arrangement, Gains and Losses	us-gaap_RegistrationPaymentArrangementGainsAndLosses	$ (13,603)
Registration Payment Arrangement, Gains and Losses	us-gaap_RegistrationPaymentArrangementGainsAndLosses	$ (18,616)

The decrease (gain) or increase (loss) in the carrying amount of the registration payment obligation that was recognized in earnings during the period.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 825

-SubTopic 20

-Section 50

-Paragraph 1

-Subparagraph (f)

-URI http://asc.fasb.org/extlink&oid=6449706&loc=d3e16207-108621

Name:	us-gaap_RegistrationPaymentArrangementGainsAndLosses
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration