SEGMENT DISCLOSURE (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014 item	Sep. 30, 2013
Segment disclosure
Number of types of commercial real estate properties			3
Revenues	$ 68,195	$ 57,487	$ 203,776	$ 175,633
Property/Lending expenses:
Interest expense	5,451	4,611	14,607	14,013
General and administrative	3,157	564	7,946	1,821
EXPENSES	63,803	55,728	184,263	163,244
Reportable segments
Property/Lending expenses:
Total segment net operating income	34,252	31,219	106,709	98,854
Reportable segments | Office properties
Segment disclosure
Revenues	44,378	43,812	132,833	131,409
Property/Lending expenses:
Operating	18,644	17,360	54,230	49,854
General and administrative	413	335	805	689
EXPENSES	19,057	17,695	55,035	50,543
Total segment net operating income	25,321	26,117	77,798	80,866
Reportable segments | Hotel properties
Segment disclosure
Revenues	13,504	8,630	42,641	29,201
Property/Lending expenses:
Operating	9,867	6,419	29,636	20,072
General and administrative	61	29	134	191
EXPENSES	9,928	6,448	29,770	20,263
Total segment net operating income	3,576	2,182	12,871	8,938
Reportable segments | Multi-family properties
Segment disclosure
Revenues	5,235	5,045	15,427	15,023
Property/Lending expenses:
Operating	2,485	2,093	7,155	5,899
General and administrative	553	32	632	74
EXPENSES	3,038	2,125	7,787	5,973
Total segment net operating income	2,197	2,920	7,640	9,050
Reportable segments | Lending division
Segment disclosure
Revenues	5,078		12,875
Property/Lending expenses:
Interest expense	657		1,554
General and administrative	1,263		2,921
EXPENSES	1,920		4,475
Total segment net operating income	$ 3,158		$ 8,400