LONG-LIVED ASSET IMPAIRMENT (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
Mar. 31, 2012
LONG-LIVED ASSET IMPAIRMENT
Long-lived asset impairment	$ 4,332

The aggregate amount of write-downs for impairments recognized during the period for long lived assets held for use (including those held for disposal by means other than sale).

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

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+ Details