SEGMENT DISCLOSURE - Assets and Capital Expenditures and Loan Originations (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2019	Mar. 31, 2018	Dec. 31, 2018
Segment disclosure
Total assets	$ 1,186,574		$ 1,342,401
Total capital expenditures	3,205	$ 9,191
Loan originations	3,404	11,641
Total capital expenditures and loan originations	6,609	20,832
Reportable segments | Office (1)
Segment disclosure
Total assets	707,769		1,094,269
Total capital expenditures	2,597	8,710
Reportable segments | Hotel
Segment disclosure
Total assets	107,725		105,845
Total capital expenditures	608	$ 481
Reportable segments | Lending
Segment disclosure
Total assets	88,724		97,465
Non-segment
Segment disclosure
Total assets	$ 282,356		$ 44,822