Annual report pursuant to Section 13 and 15(d)

Derivative Instruments (Details)

v3.3.1.900
Derivative Instruments (Details) - Interest Rate Swap [Member] - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2015
Dec. 31, 2014
Dec. 20, 2012
Derivative [Line Items]      
Derivative, notional amount     $ 187,500
Derivative, fixed interest rate     0.8525%
Interest rate, all inclusive 2.3525%    
Change in fair value of derivative instrument $ 200 $ 200  
Price Risk Cash Flow Hedge Unrealized Gain (Loss) to be Reclassified During Next 12 Months 300    
Other Liabilities [Member]      
Derivative [Line Items]      
Derivative Liability $ 200    
Other Assets [Member]      
Derivative [Line Items]      
Derivative Liability, Fair Value, Gross Asset   $ 200