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Fair Value of Financial Instruments - Narrative (Details) - USD ($)
$ in Millions
Mar. 31, 2017
Dec. 31, 2016
Fair Value Disclosures [Abstract]    
Notes payable, fixed interest rate 4.10% 4.25%
Notes payable, aggregate fair value $ 890.8 $ 851.3
Notes payable, principal balance 878.7 $ 844.3
Interest Rate Swap    
Fair Value of Financial Instruments [Line Items]    
Fair value of derivative liability $ 1.8