SHARE REPURCHASE (Details) (USD $) In Thousands, except Share data, unless otherwise specified	132 Months Ended	6 Months Ended		10 Months Ended
	Sep. 30, 2012	Sep. 30, 2012 Share Repurchase Plan of August 2011 [Member]	Sep. 30, 2012 Share Repurchase Plan of November 2011 [Member]	Sep. 15, 2012 Share Repurchase Plan of November 2011 [Member]	Sep. 30, 2012 Share Repurchase Plan of August 2012 [Member]
Equity, Class of Treasury Stock [Line Items]
Authorized number of shares under stock repurchase program (in shares)		500,000	500,000		500,000
Common stock repurchased during the period (in shares)	4,700,000	403,458	19,423	72,978
Average cost of share repurchased (In dollars per share)	$ 13.94		$ 29.46
Common stock repurchased during the period	$ 65,300		$ 572