- Amount of Gain or Loss Recognized in Income on Derivatives (Details) - Not Designated as Hedging Instruments - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2017	Jun. 30, 2016	Jun. 30, 2017	Jun. 30, 2016
Derivative Instruments, Gain (Loss) [Line Items]
Total Derivatives Gain	$ 55	$ 8	$ 276	$ 303
Interest Rate Swap Contracts - Commercial Loans
Derivative Instruments, Gain (Loss) [Line Items]
Total Derivatives Gain	(8)	23	16	120
Interest Rate Lock Commitments - Mortgage Loans
Derivative Instruments, Gain (Loss) [Line Items]
Total Derivatives Gain	(13)	117	220	382
Forward Sale Contracts - Mortgage Loans
Derivative Instruments, Gain (Loss) [Line Items]
Total Derivatives Gain	$ 76	$ (132)	$ 40	$ (199)