SIGNIFICANT ACCOUNTING POLICIES Stock Split (Details)	Dec. 31, 2011	Jun. 09, 2011	Jun. 07, 2011	Dec. 31, 2010
Common Stock, Number of Shares, Par Value and Other Disclosures [Abstract]
Common stock, Authorized shares (in shares)	80,000,000	80,000,000	40,000,000	80,000,000

The maximum number of common shares permitted to be issued by an entity's charter and bylaws.

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

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 30

-Article 5

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.5-02.29)

-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

Name:	us-gaap_CommonStockSharesAuthorized
Namespace Prefix:	us-gaap_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	instant