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Derivative and Hedging Activities (Details) - USD ($)
$ in Thousands
Dec. 31, 2016
Dec. 31, 2015
Derivative [Line Items]    
In the next 12 months will be reclassified as an increase to interest expense $ 2,000  
Interest Rate Swap | Bank of Montreal | Designated as Hedging Instrument    
Derivative [Line Items]    
Derivative, notional amount 50,000  
Interest Rate Swap | Regions Bank | Designated as Hedging Instrument    
Derivative [Line Items]    
Derivative, notional amount 50,000  
Interest Rate Swap | Fair Value, Measurements, Recurring    
Derivative [Line Items]    
Derivative asset 875  
Interest Rate Swap | Quoted Prices in Active Markets for Identical Assets and Liabilities (Level 1) | Fair Value, Measurements, Recurring    
Derivative [Line Items]    
Derivative asset 0  
Interest Rate Swap | Significant Other Observable Inputs (Level 2) | Fair Value, Measurements, Recurring    
Derivative [Line Items]    
Derivative asset 875  
Interest Rate Swap | Significant Unobservable Inputs (Level 3) | Fair Value, Measurements, Recurring    
Derivative [Line Items]    
Derivative asset 0  
Interest Rate Swap | Other assets | Designated as Hedging Instrument    
Derivative [Line Items]    
Derivative asset $ 875 $ 0