SEGMENT DISCLOSURE (Details 3) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2014	Mar. 31, 2013	Dec. 31, 2013
Segment disclosure
Total assets	$ 2,051,228		$ 1,834,477
Total capital expenditures	6,750	4,909
Originations	1,593
Total capital expenditures and originations	8,343	4,909
Office properties
Segment disclosure
Total capital expenditures	6,055	3,920
Hotel properties
Segment disclosure
Total capital expenditures	485	470
Multi-family properties
Segment disclosure
Total capital expenditures	210	519
Reportable segments | Office properties
Segment disclosure
Total assets	1,474,971		1,481,757
Reportable segments | Hotel properties
Segment disclosure
Total assets	175,201		174,263
Reportable segments | Multi-family properties
Segment disclosure
Total assets	170,723		173,985
Reportable segments | Lending division
Segment disclosure
Total assets	223,954
Non-segment
Segment disclosure
Total assets	$ 6,379		$ 4,472