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COMMON SHARE REPURCHASE PROGRAM (Details) | 3 Months Ended | 6 Months Ended |
--- | --- | --- | ---
Jun. 30, 2013 | Jun. 30, 2013 | Jul. 26, 2013 Subsequent Event [Member]
Subsequent Event [Line Items] |  |  |
Stock Repurchase Program Additional Number Of Shares Authorized To Be Repurchased |  |  | 15,000,000
Shares authorized for repurchase under share repurchase program | 30,000,000 | 30,000,000 |
Shares purchased in the open market under share repurchase program | 1,013,356 | 1,212,416 |
Remaining common shares available for repurchase under the stock repurchase program | 2,129,957 | 2,129,957 |

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- Definition The additional number of shares authorized to be repurchased by an entity's Board of Directors under the new stock repurchase plan above that previously authorized. + References No definition available. + Details
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- Definition The number of shares authorized to be repurchased by an entity's Board of Directors under a stock repurchase plan. + References No definition available. + Details
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- Definition The remaining number of shares authorized to be repurchased by an entity's Board of Directors under a stock repurchase plan. + References No definition available. + Details
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- Details
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- Definition Number of shares that have been repurchased during the period and are being held in treasury. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 04 -Article 3 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6928386&loc=d3e21463-112644 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 29, 30 -Article 5 + Details
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