XML 67 R54.htm IDEA: XBRL DOCUMENT v3.7.0.1
Fair Value (Narrative) (Details) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Jun. 30, 2017
Jun. 30, 2016
Jun. 30, 2017
Jun. 30, 2016
Dec. 31, 2016
Fair Value Off Balance Sheet Risks Disclosure Information [Line Items]          
Interest rate swap notional amount $ 159,600   $ 159,600   $ 163,900
Unrealized gain on interest rate swap, net of tax $ (200) $ (667) $ 165 $ (2,899)  
Interest Rate Swap [Member]          
Fair Value Off Balance Sheet Risks Disclosure Information [Line Items]          
Fixed interest rate 1.4935%   1.4935%    
Fair value of interest rate swap $ 700   $ 700   $ 500
Unrealized gain on interest rate swap     300    
Unrealized gain on interest rate swap, net of tax     $ 200