Fair Value Measurements (Details) (USD $) In Thousands, unless otherwise specified	Mar. 31, 2013
Fair Value, Measurements, Recurring [Member]
Fair Value Measurements (Textual) [Abstract]
Fair value of assets	$ 0
Fair value of liabilities	0
Fair Value, Measurements, Nonrecurring [Member]
Fair Value Measurements (Textual) [Abstract]
Fair value of assets	0
Fair value of liabilities	$ 0

This element represents the aggregate of the liabilities reported on the balance sheet at period end measured at fair value by the entity. This element is intended to be used in connection with the fair value disclosures required in the footnote disclosures to the financial statements.

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 820

-SubTopic 10

-Section 50

-Paragraph 2

-Subparagraph (a)

-URI http://asc.fasb.org/extlink&oid=7578670&loc=d3e19207-110258

Name:	us-gaap_LiabilitiesFairValueDisclosure
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant