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Interest Rate Swap Agreements (Detail Textuals)
Jun. 13, 2012
Jan. 04, 2012
Dec. 31, 2015
Swap
Aug. 13, 2012
USD ($)
Derivatives, Fair Value [Line Items]        
Number of interest rate swap agreements | Swap     2  
Interest Rate Swap        
Derivatives, Fair Value [Line Items]        
Interest rate swap period 5 years 5 years    
Fixed rate paid 0.87% 1.00%    
Description of rate for the variable rate of the interest rate 1-month LIBOR 1-month LIBOR    
Derivative notional amount | $       $ 25,000,000