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Derivative Financial Instruments (Details) - USD ($)
3 Months Ended
Jan. 04, 2016
Jan. 23, 2014
Mar. 31, 2017
Mar. 31, 2016
Dec. 31, 2016
Nov. 25, 2015
Derivatives, Fair Value [Line Items]            
Hedge ineffectiveness gain (loss)     $ 0 $ 0    
Fair value of derivative instrument [Abstract]            
Fair value of interest rate swaps     (341,000)   $ (424,000)  
Interest Rate Swap Contracts            
Derivatives, Fair Value [Line Items]            
Percentage of Term Loan balance covered under interest rate swap contract   75.00%        
Termination of contract date Jan. 01, 2019 Sep. 30, 2023        
Notional amount     7,200,000     $ 9,100,000
Fixed interest rate (in hundredths) 1.28% 2.86%        
Unrealized net losses recorded in Accumulated other comprehensive loss     $ 300,000      
Interest Rate Swap Contracts | One Month LIBOR            
Derivatives, Fair Value [Line Items]            
One month variable interest rate (in hundredths)     0.93%      
Interest Rate Swap Contracts | Derivatives in Cash Flow Hedging Relationships | Interest Expense            
Effect of interest rate swap contract accounted for derivative instrument on Consolidated Statements of Income [Abstract]            
Amount of Gain (Loss) Recognized in Accumulated OCI (Effective Portion)     $ 83,000 (333,000)    
Amount of Loss Reclassified from Accumulated OCI into Income (Effective Portion)     $ 53,000 $ 63,000