SCHEDULE III REAL ESTATE AND ACCUMULATED DEPRECIATION (Details 1) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Reconciliation of Real Estate
Balance at at beginning	$ 1,165,663	$ 1,066,603	$ 1,003,545
Additions
Acquisitions, improvements and construction	576,232	129,484	112,762
Deductions
Sale of real estate	(1,282,752)	(30,424)	(49,704)
Balance at ending	459,143	1,165,663	1,066,603
Reconciliation of Accumulated Depreciation
Balance at at beginning	177,546	165,597	150,038
Additions
Depreciation	22,670	24,417	23,277
Deductions
Sale of real estate	(122,117)	(12,468)	(7,718)
Balance at ending	$ 78,099	$ 177,546	$ 165,597