STOCKHOLDERS' EQUITY (Details) (USD $) In Millions, except Share data, unless otherwise specified	1 Months Ended						1 Months Ended
	May 31, 2012	Mar. 31, 2013	Dec. 31, 2012	May 01, 2012	Apr. 23, 2012	Feb. 08, 2012	Feb. 29, 2012 Ares Investments item	Jan. 31, 2012 Ares Investments	May 31, 2012 ACREM
STOCKHOLDER'S EQUITY
Common shares sold in a private placement							770,000	400,000
Total purchase price							$ 15.4	$ 8.0
Common stock, shares authorized		450,000,000	450,000,000		450,000,000	95,000,000
Preferred stock, shares authorized		50,000,000	50,000,000		50,000,000	5,000,000
Common stock, par value (in dollars per share)		$ 0.01	$ 0.01		$ 0.01	$ 0.01
Preferred stock, par value (in dollars per share)		$ 0.01	$ 0.01		$ 0.01	$ 0.01
Reverse stock split							0.5
Common shares issued	7,700,000
Common stock price (in dollars per share)				$ 18.50
Gross proceeds from the IPO	142.5
Underwriting commissions incurred	5.3
Underwriting commissions contributed									5.3
IPO expenses	3.5
Net proceeds from the IPO	139.0
Repayment of outstanding facilities	47.3
Redemption of Series A preferred stock	$ 6.3