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SUBSEQUENT EVENT (Details) (USD $) In Millions, except Share data, unless otherwise specified	12 Months Ended	0 Months Ended
	Dec. 31, 2012	Mar. 15, 2013 Subsequent Event [Member]	Feb. 22, 2013 Subsequent Event [Member]
Subsequent Event [Line Items]
Maximum amount of stock authorized under stock repurchase program			$ 10
Stock repurchase program, period in force			12 months
Number of shares repurchased (in shares)		193,847
Average repurchase price	$ 13.63
Stock repurchased during period		$ 2.6

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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- Definition

Equity impact of the value of stock that has been repurchased during the period and has not been retired and is not held in treasury. Some state laws may mandate 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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