RELATED PARTY TRANSACTIONS (Details) (USD $)			3 Months Ended			3 Months Ended		3 Months Ended			3 Months Ended			0 Months Ended	3 Months Ended	12 Months Ended		0 Months Ended
	Mar. 31, 2013	Dec. 31, 2012	Mar. 31, 2013 ACREM	Mar. 31, 2012 ACREM	Dec. 31, 2012 ACREM	Mar. 31, 2013 ACREM Management Fees	Dec. 31, 2012 ACREM Management Fees	Mar. 31, 2012 ACREM Servicing Fees	Mar. 31, 2013 ACREM General and administrative expenses	Dec. 31, 2012 ACREM General and administrative expenses	Mar. 31, 2013 ACREM Direct third party costs	Mar. 31, 2012 ACREM Direct third party costs	Dec. 31, 2012 ACREM Direct third party costs	Mar. 01, 2012 Ares Investments	Mar. 31, 2013 Ares Investments	Dec. 31, 2012 Ares Investments	Feb. 08, 2012 Ares Investments	May 01, 2012 ACRES Servicing Fees
RELATED PARTY TRANSACTIONS
Base management fees as a percentage of stockholders' equity per annum			1.50%
Percentage multiplied to arrive at first value affecting calculation of incentive fees			20.00%
Previous period for which core earnings are considered to arrive at first value affecting calculation of incentive fees			12 months
Previous period for product of weighted average price per share and weighted average number of shares of common stock and other shares			12 months
Percentage multiplied to arrive at difference of first value affecting calculation of incentive fees			8.00%
Number of fiscal quarters considered to arrive at second value affecting calculation of incentive fees			9 months
Period whose fiscal quarters are considered to arrive at first value affecting calculation of incentive fees			12 months
Incentive fee payable			$ 0
Cumulative core earnings			0
Period for which cumulative core earnings must be greater than zero			3 years
Automatic renewal period of management agreement			1 year
Period after offering for which core earnings will be based on the number of days that the management agreement has been in effect to arrive at incentive fee			12 months
Incentive fees earned			0	0
Multiplier of average annual base management and incentive fee to arrive at termination fee			3
Period preceding most recently completed fiscal quarter considered for calculation of average of annual base management and incentive fee			24 months
Incurred			1,442,000	12,000		614,000		11,000	746,000		82,000	1,000						0
Amount owed by the entity to related party	1,442,000	1,320,000	1,442,000		1,320,000	614,000	621,000		746,000	668,000	82,000		31,000
Promissory note entered into by the entity with related party																	2,000,000
Interest paid on note														4,000
Common stock owned by related party (in shares)															2,000,000	2,000,000
Ownership interest held by related party (as a percent)															21.60%	21.60%
Aggregate principal amount															$ 1,150,000	$ 1,150,000