Earnings Per Share (EPS) Earnings Per Share (EPS) (Tables)

3 Months Ended

Mar. 31, 2017

Earnings Per Share [Abstract]

Schedule of Earnings Per Share, Basic and Diluted [Table Text Block]

The following is a reconciliation of the weighted average basic number of common shares outstanding to the diluted number of common and common stock equivalent shares outstanding and the calculation of earnings per share using the two-class method:

	Three Months Ended
	March 31, 2017			March 31, 2016
Net income	$	10,923		$	12,842
Less: earnings attributable to unvested shares	(50		)	(49		)
Net income available to participating common shareholders	$	10,873		$	12,793
Weighted average number of participating common and potential common shares outstanding:
Basic number of participating common shares outstanding	19,376,258			19,229,501
Dilutive effect of stock equivalents	318,493			200,528
Diluted number of weighted average participating common shares outstanding	19,694,751			19,430,029
Earnings per participating common share:
Earnings per participating common share—Basic	$	0.56		$	0.67
Earnings per participating common share—Diluted	$	0.55		$	0.66
Total outstanding options, performance share awards and unvested restricted stock not included in the calculation of diluted earnings per share as the effect would be anti-dilutive	347,354			437,241