SHARE BASED PAYMENTS (Summary of share based compensation expense and unearned compensation) (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019	Dec. 31, 2019
Share-based Compensation Arrangement by Share-based Payment Award
Share Based Compensation Expense	$ 1,936	$ 2,009	$ 6,191	$ 7,441
Unearned Compensation	6,314		6,314		$ 6,668
LTIP Unit Awards
Share-based Compensation Arrangement by Share-based Payment Award
Share Based Compensation Expense	1,169	1,428	4,120	4,218
Unearned Compensation	3,071		3,071		2,878
Restricted Share Awards
Share-based Compensation Arrangement by Share-based Payment Award
Share Based Compensation Expense	428	334	1,103	1,128
Unearned Compensation	958		958		1,051
Share Awards
Share-based Compensation Arrangement by Share-based Payment Award
Share Based Compensation Expense	0	0	0	402
Unearned Compensation	0		0		0
Market Based
Share-based Compensation Arrangement by Share-based Payment Award
Share Based Compensation Expense	339	388	968	1,078
Unearned Compensation	2,285		2,285		2,739
Performance Based
Share-based Compensation Arrangement by Share-based Payment Award
Share Based Compensation Expense	0	$ (141)	0	$ 615
Unearned Compensation	$ 0		$ 0		$ 0