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Derivative Financial Instruments, Summary (Details)
$ in Millions
3 Months Ended
Mar. 31, 2017
USD ($)
item
Dec. 31, 2016
USD ($)
Interest Rate Swaps    
Derivative Financial Instruments    
Fair Value, classified in Other Liabilities   $ (0.2)
Qualifying | LIBOR Caps    
Derivative Financial Instruments    
Count | item 2  
Fair Value, classified in Other Assets   $ 0.1
Notional value of matured instruments $ 55.6  
Qualifying | LIBOR Cap, One    
Derivative Financial Instruments    
Cap rate (as a percent) 2.00%  
Qualifying | LIBOR Cap, Two    
Derivative Financial Instruments    
Cap rate (as a percent) 3.00%  
Qualifying | Interest Rate Swaps    
Derivative Financial Instruments    
Count | item 2  
Notional value of matured instruments $ 41.5