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Subsequent Events Additional Information (Details) - USD ($)
$ in Thousands
1 Months Ended 9 Months Ended
Nov. 06, 2019
Sep. 30, 2019
Sep. 30, 2018
Subsequent Event [Line Items]      
Payments to acquire real estate   $ 439,885 $ 207,791
Subsequent Event      
Subsequent Event [Line Items]      
Non-recourse mortgage loan $ 15,716    
Payments to acquire real estate 53,393    
Proceeds from sale of assets $ 13,775