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CONSOLIDATED STATEMENTS OF CHANGES IN EQUITY (Parenthetical)	12 Months Ended
	Dec. 31, 2011
CONSOLIDATED STATEMENTS OF CHANGES IN EQUITY [Abstract]
Purchase of Company stock (in shares)	16,056

Number of shares that have been repurchased during the period and have not been retired and are not held in treasury. Some state laws may govern the circumstances under which an entity may acquire its own stock and prescribe the accounting treatment therefore. This element is used when state law does not recognize treasury stock.

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