Derivatives - Balance Sheet Impact (Details) - Interest rate contracts - USD ($) $ in Thousands	Dec. 31, 2015	Dec. 31, 2014
Other Assets | Derivatives designated as hedging instruments
Derivatives, Fair Value [Line Items]
Interest rate contracts - asset position		$ 228
Other liabilities | Derivatives designated as hedging instruments
Derivatives, Fair Value [Line Items]
Interest rate contracts - liability position	$ 79	36
Other liabilities | Not Designated as Hedging Instrument
Derivatives, Fair Value [Line Items]
Interest rate contracts - liability position	$ 7	$ 10