REAL ESTATE (Schedule of Acquisitions) (Details) (USD $)	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Net [Abstract]
Total purchase price	$ 150.7	$ 166.3
Land	41.6	32.4
Buildings	106.1	125.7
Acquired in-place lease values	3.0	8.1
Mortgage notes placed/assumed	110.1	110.1
Total cash paid	40.6	56.2
Multifamily Acquired in Western U.S. 1 [Member]
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Net [Abstract]
Total purchase price	61.8	31.0
Land	18.4	12.4
Buildings	43.0	18.4
Acquired in-place lease values	0.3	0.2
Mortgage notes placed/assumed	49.7	23.5
Total cash paid	12.1	7.5
Commercial Acquired in Western U.S. 1 [Member]
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Net [Abstract]
Total purchase price	29.7	47.4	[1]
Land	11.2	8.8	[1]
Buildings	18.5	31.4	[1]
Acquired in-place lease values	0.0	7.2	[1]
Mortgage notes placed/assumed	18.7	29.0	[1]
Total cash paid	11.0	18.4	[1]
Recognized gain in excess of purchase price		2,600,000
Retail Acquired in Western U.S. 1 [Member]
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Net [Abstract]
Total purchase price	5.8
Land	1.3
Buildings	4.2
Acquired in-place lease values	0.3
Mortgage notes placed/assumed	4.0
Total cash paid	1.8
Retail Acquired in Western U.S. 2 [Member]
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Net [Abstract]
Total purchase price	10.9
Land	2.7
Buildings	6.7
Acquired in-place lease values	1.5
Mortgage notes placed/assumed	7.3
Total cash paid	3.6
Retail Acquired in Western U.S. 3 [Member]
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Net [Abstract]
Total purchase price	11.5
Land	3.5
Buildings	7.4
Acquired in-place lease values	0.7
Mortgage notes placed/assumed	8.0
Total cash paid	3.5
Commercial Acquired in Ireland [Member]
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Net [Abstract]
Total purchase price	1.2
Land	0.7
Buildings	0.5
Acquired in-place lease values	0.0
Mortgage notes placed/assumed	0.0
Total cash paid	1.2
Multifamily Acquired in Western U.S. 2 [Member]
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Net [Abstract]
Total purchase price	29.8	44.4
Land	3.8	2.6
Buildings	25.8	41.4
Acquired in-place lease values	0.2	0.4
Mortgage notes placed/assumed	22.4	26.0
Total cash paid	7.4	18.4
Multifamily Acquired in Western U.S. 3 [Member]
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Net [Abstract]
Total purchase price		43.5
Land		8.6
Buildings		34.5
Acquired in-place lease values		0.3
Mortgage notes placed/assumed		31.6
Total cash paid		$ 11.9

[1] The fair value of this multifamily property was in excess of the purchase price because this acquisition was an off-market transaction, and therefore we recognized a gain of approximately $2.6 million in the accompanying consolidated statements of operations for the year ended December 31, 2012.