Derivative Financial Instruments (Details) - Non-designated hedging instruments - Client-Related - Interest rate swap contracts - USD ($) $ in Thousands	Jun. 30, 2015	Dec. 31, 2014
Summary of Derivative Instruments [Abstract]
Notional Amount	$ 148,878	$ 141,263
Other Assets
Summary of Derivative Instruments [Abstract]
Asset derivatives (other assets), fair value	1,166	907
Other Liabilities
Summary of Derivative Instruments [Abstract]
Liability derivatives (other liabilities), fair value	$ 1,166	$ 907