Derivative Instruments (Tables)

12 Months Ended

Dec. 31, 2014

Derivative instruments and hedging activities disclosure abstract

Schedule of Derivative Instruments [Table Text Block]

							Other
				Other	Other		noninterest
				Assets	Liabilities		income
				Estimated	Estimated		Gains
(Dollars in thousands)			Notional	Fair Value	Fair Value		(Losses)
December 31, 2014:
Pay fixed / receive variable		$	4,667	—	634	$	210
Pay variable / receive fixed			4,667	634	—		(210)
	Total interest rate swap agreements	$	9,334	634	634	$	—
December 31, 2013:
Pay fixed / receive variable		$	5,017	—	844	$	366
Pay variable / receive fixed			5,017	844	—		(366)
	Total interest rate swap agreements	$	10,034	844	844	$	—