SEGMENT DISCLOSURE (Details 3) (USD $) In Thousands, unless otherwise specified	6 Months Ended
	Jun. 30, 2014	Jun. 30, 2013	Dec. 31, 2013
Segment disclosure
Total assets	$ 2,072,698		$ 1,834,477
Total capital expenditures	12,578	9,161
Originations	25,191
Total capital expenditures and originations	37,769	9,161
Office properties
Segment disclosure
Total capital expenditures	11,428	6,830
Hotel properties
Segment disclosure
Total capital expenditures	721	1,504
Multi-family properties
Segment disclosure
Total capital expenditures	429	827
Reportable segments | Office properties
Segment disclosure
Total assets	1,518,743		1,481,757
Reportable segments | Hotel properties
Segment disclosure
Total assets	174,898		174,263
Reportable segments | Multi-family properties
Segment disclosure
Total assets	171,283		173,985
Reportable segments | Lending division
Segment disclosure
Total assets	204,933
Non-segment
Segment disclosure
Total assets	$ 2,841		$ 4,472