Shareholders' Equity and Earnings Per Share (Tables)

6 Months Ended

Jun. 30, 2018

Shareholders' Equity and Earnings Per Share.

Schedule of reconciliation of factors used in computing basic and diluted earnings per common share

	Three Months Ended				Six Months Ended
	June 30,				June 30,
	2018		2017		2018		2017
		(Dollars in thousands, except per share amounts)
Net income	$	915	$	7,449	$	9,724	$	13,987
Weighted average common shares outstanding for basic
earnings per common share		41,925,616		38,070,042		40,083,056		38,014,020
Dilutive effect of stock options outstanding, using
the treasury stock method		583,058		509,092		577,027		521,995
Shares used in computing diluted earnings per common share		42,508,674		38,579,134		40,660,083		38,536,015
Basic earnings per share	$	0.02	$	0.20	$	0.24	$	0.37
Diluted earnings per share	$	0.02	$	0.19	$	0.24	$	0.36