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Property, net - Assets Measured on a Nonrecurring Basis (Details) - Nonrecurring - USD ($)
$ in Thousands
Dec. 31, 2016
Dec. 31, 2015
Dec. 31, 2014
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Total Fair Value Measurement $ 86,100 $ 33,300 $ 44,500
(Level 1)      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Total Fair Value Measurement 0 0 0
(Level 2)      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Total Fair Value Measurement 0 0 0
(Level 3)      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Total Fair Value Measurement $ 86,100 $ 33,300 $ 44,500