EQUITY (Details) (USD $) In Thousands, except Share data, unless otherwise specified	0 Months Ended				9 Months Ended		0 Months Ended	9 Months Ended
	Aug. 01, 2012	Apr. 24, 2012	Feb. 29, 2012	Aug. 01, 2011	Sep. 30, 2012	Sep. 30, 2011	Oct. 29, 2012 Subsequent Event [Member] Dividend Declared [Member]	Sep. 30, 2012 Restricted Stock Units (RSUs) [Member]	Sep. 30, 2012 Stock Options [Member]
Equity [Line Items]
Common dividends, declared	$ 0.33	$ 0.33	$ 0.33		$ 0.99	$ 0.64	$ 0.33
Stock issuance, Shares				11,700,000
Stock issuance, Value				$ 163,900	$ 144	$ 163,342
Shares sold to underwriters (in shares)				1,500,000
Purchase price per share sold to underwriters (USD per share)				$ 14.75
Stock-based compensation, issued during period (in shares)								117,890	41,640