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Redeemable Noncontrolling Interest (Details) - USD ($)
12 Months Ended
Dec. 31, 2019
Dec. 31, 2018
Dec. 31, 2017
Changes in carrying amount of redeemable noncontrolling interest [Roll Forward]      
Beginning balance $ 1,371,000 $ 1,002,000  
Additions 151,000 369,000  
Distributions (151,000) 0 $ 0
Fair value adjustment to redemption value 173,000 232,000  
Net loss attributable to redeemable noncontrolling interests (82,000) (232,000) (33,000)
Ending balance $ 1,462,000 $ 1,371,000 $ 1,002,000
Noncontrolling Interest, Ownership Percentage by Parent 99.99% 99.99%  
Noncontrolling Interest, Ownership Percentage by Noncontrolling Owners 0.01% 0.01%  
Ownership Percentage, Properties 100.00%    
TRS [Member]      
Changes in carrying amount of redeemable noncontrolling interest [Roll Forward]      
Ownership Percentage, Properties 98.00%    
Limited Partner [Member]      
Changes in carrying amount of redeemable noncontrolling interest [Roll Forward]      
Stock Issued During Period, Shares, Stock Splits 208 208