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SCHEDULE III REAL ESTATE AND ACCUMULATED DEPRECIATION (Details 1) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2019
Dec. 31, 2018
Dec. 31, 2017
Reconciliation of Real Estate      
Balance at at beginning $ 459,142 $ 1,165,662 $ 1,066,603
Additions      
Acquisitions, improvements and construction 97,554 576,232 129,483
Deductions      
Sale of real estate (78,733) (1,282,752) (30,424)
Balance at ending 477,963 459,142 1,165,662
Reconciliation of Accumulated Depreciation      
Balance at at beginning 78,099 177,546 165,597
Additions      
Depreciation 13,379 22,670 24,417
Deductions      
Sale of real estate (1,305) (122,117) (12,468)
Balance at ending $ 90,173 $ 78,099 $ 177,546