Offsetting Assets and Liabilities (Tables)
 12 Months Ended
Dec. 31, 2016
Offsetting [Abstract]  
Schedule of financial instruments that are eligible for offset [Table Text Block]

The following table presents information about financial instruments that are eligible for offset as of December 31, 2016 and December 31, 2015:

 

               Gross Amounts Not Offset 
   Gross Amounts
Recognized		   Gross Amounts
Offset in the
Statement of
Financial
Position		   Net Amounts
of Assets
Presented in the
Statement of
Financial
Position		   Financial
Instruments
Recognized		   Cash or
Financial
Instrument
Collateral		   Net
Amount		 
   (in thousands) 
December 31, 2016                              
Assets:                              
Interest rate swaps  $88   $     -   $88   $    -   $-   $88 
Liabilities:                              
Repurchase agreements  $15,000   $-    15,000    -    15,000    - 
December 31, 2015                              
Liabilities:                              
Interest rate swaps  $131   $-   $131   $-   $-   $- 
Repurchase agreements   15,000    -    15,000    -    15,000    131 
Total  $15,131   $-   $15,131   $-   $15,000   $131