SHARE REPURCHASE (Details) (USD $) In Thousands, except Share data, unless otherwise specified	3 Months Ended	130 Months Ended
	Jun. 30, 2012	Jun. 30, 2012
Share Repurchase Plan of August 2011 [Member]
Equity, Class of Treasury Stock [Line Items]
Authorized number of shares under stock repurchase program (in shares)	500,000	500,000
Common stock repurchased during the period (in shares)		403,458
Share Repurchase Plan of November 2011 [Member]
Equity, Class of Treasury Stock [Line Items]
Authorized number of shares under stock repurchase program (in shares)	500,000	500,000
Common stock repurchased during the period (in shares)	19,423	4,700,000
Average cost of share repurchased (In dollars per share)	$ 29.46	$ 14.01
Common stock repurchased during the period	$ 573	$ 65,900