Stock Based Compensation (Tables)

3 Months Ended

Mar. 31, 2013

Disclosure Of Compensation Related Costs, Share-Based Payments [Abstract]

Schedule of Share-based Compensation, Restricted Stock and Restricted Stock Units Activity [Table Text Block]

Restricted share activity is summarized as follows:

	Shares Outstanding			Weighted Average Grant Date  Fair Value
Unvested restricted stock at January 1, 2013		250,180		$	22.66
Restricted stock granted		82,050			27.51
Restricted stock vested		(69,680	)		22.50
Restricted stock forfeited		(1,250	)		20.33
Unvested restricted stock at March 31, 2013		261,300		$	24.24