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Summary of Significant Accounting Policies (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2019
Dec. 31, 2018
Property, Plant and Equipment [Line Items]    
Ownership interest in subsidiaries (as a percent) 100.00%  
Assets of TRSs $ 31,920 $ 31,917
Liabilities of TRSs $ 138,708 $ 148,459
Buildings and Improvements | Maximum    
Property, Plant and Equipment [Line Items]    
Estimated useful life 40 years  
Personal Property | Maximum    
Property, Plant and Equipment [Line Items]    
Estimated useful life 12 years