REAL ESTATE SECURITIES (Narrative) (Details) (USD $) In Thousands, unless otherwise specified	9 Months Ended
Sep. 30, 2012	Dec. 31, 2011
Schedule of Available-for-sale Securities [Line Items]
Fixed rate CMBS	$ 24,213	$ 58,602
Unrealized gains	278
Available-for-sale Securities [Member]
Schedule of Available-for-sale Securities [Line Items]
Other-than-temporary impairment	$ 0

Amount of debt securities categorized neither as held-to-maturity nor trading.

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+ Details

- Definition

The amount by which the fair value of an investment is less than the amortized cost basis or carrying amount of that investment at the balance sheet date and the decline in fair value is deemed to be other than temporary, before considering whether or not such amount is recognized in earnings or other comprehensive income.

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