SEGMENT DISCLOSURE (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2014 item	Mar. 31, 2013
Segment disclosure
Number of types of commercial real estate properties	3
Revenues	$ 64,123	$ 58,308
Property/Lending expenses:
Interest expense	4,217	4,677
General and administrative	1,179	542
EXPENSES	57,816	52,486
Reportable segments
Property/Lending expenses:
Total segment net operating income	33,492	33,401
Reportable segments | Office properties
Segment disclosure
Revenues	43,274	43,460
Property/Lending expenses:
Operating	17,653	16,302
General and administrative	316	100
EXPENSES	17,969	16,402
Total segment net operating income	25,305	27,058
Reportable segments | Hotel properties
Segment disclosure
Revenues	14,339	9,947
Property/Lending expenses:
Operating	9,846	6,528
General and administrative	37	79
EXPENSES	9,883	6,607
Total segment net operating income	4,456	3,340
Reportable segments | Multi-family properties
Segment disclosure
Revenues	4,984	4,901
Property/Lending expenses:
Operating	2,087	1,891
General and administrative	25	7
EXPENSES	2,112	1,898
Total segment net operating income	2,872	3,003
Reportable segments | Lending division
Segment disclosure
Revenues	1,526
Property/Lending expenses:
Interest expense	262
General and administrative	405
EXPENSES	667
Total segment net operating income	$ 859