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Noncontrolling Interests - Narrative (Details) - $ / shares
9 Months Ended
Sep. 30, 2015
Feb. 11, 2014
Noncontrolling Interest [Line Items]    
Ownership percentage by noncontrolling owners 100.00%  
Operating Partnership    
Noncontrolling Interest [Line Items]    
Ownership percentage by noncontrolling owners 0.10%  
Percentage of Noncontrolling Interests Based on Weighted Average Shares 0.20%  
Operating Partnership | Limited Partner    
Noncontrolling Interest [Line Items]    
Limited partnership units issued (in shares)   20,000
Price per partnership unit (in USD per share)   $ 10
Period of unit outstanding 1 year  
Partnership unit exchange (in shares) 1