Stock-Based Compensation (Tables)

9 Months Ended

Sep. 30, 2013

Stock-based Compensation [Abstract]

Summary of Stock Option Activity [Table Text Block]

				Weighted		Aggregate
			Weighted	Average		Intrinsic
			Average	Remaining		Value
			Exercise	Contractual		(Dollars in
	Shares		Price	Term		thousands)
Outstanding and Exercisable at January 1, 2013	22,500	$	10.41	2.2
Granted	-		-	-
Canceled	-		-	-
Exercised	(3,750)		9.30	-
Outstanding and Exercisable at September 30, 2013	18,750	$	10.64	1.5	$	658

Schedule of Restricted Stock Awards [Table Text Block]

					Aggregate Grant
			Grant Date		Date Fair Value
Grant Date	Shares		Share Price		(Dollars in Thousands)
February 1, 2012	66,000	$	30.15	$	1,990
March 6, 2012	18,347		27.49		504
May 23, 2012	8,000		28.05		224
February 27, 2013	12,973		42.49		551

Schedule of Performance Unit Awards [Table Text Block]

						Aggregate Grant
Incentive				Grant Date		Date Fair Value
Plan	Grant Date	Units		Share Price		(Dollars in Thousands)
2011 - 2013	March 15, 2011	34,002	$	38.46	$	1,308
2012 - 2014	March 6, 2012	43,042		27.49		1,183
2013 - 2015	February 27, 2013	31,418		42.49		1,335