Quarterly report pursuant to Section 13 or 15(d)

Derivative Financial Instruments (Classifications on Consolidated Balance Sheets) (Details)

v3.4.0.3
Derivative Financial Instruments (Classifications on Consolidated Balance Sheets) (Details) - Designated as Hedging Instrument [Member] - USD ($)
Mar. 31, 2016
Dec. 31, 2015
Derivative [Line Items]    
Derivative, notional amount $ 150,000,000  
Derivative, fair value, net (2,002,000) $ (616,000)
Interest Rate Swap One [Member]    
Derivative [Line Items]    
Derivative, notional amount $ 50,000,000  
Derivative, fixed interest rate 1.3075%  
Derivative, fair value, net $ (673,000) (212,000)
Interest Rate Swap Two [Member]    
Derivative [Line Items]    
Derivative, notional amount $ 50,000,000  
Derivative, fixed interest rate 1.297%  
Derivative, fair value, net $ (661,000) (198,000)
Interest Rate Swap Three [Member]    
Derivative [Line Items]    
Derivative, notional amount $ 50,000,000  
Derivative, fixed interest rate 1.3025%  
Derivative, fair value, net $ (668,000) $ (206,000)