Earnings Per Share (Tables)

6 Months Ended

Jun. 30, 2020

Earnings Per Share [Abstract]

Summary of earnings per share

Earnings per share consisted of the following components for the periods indicated:

	Three Months Ended				Six Months Ended
	June 30				June 30
	2020		2019		2020		2019
	(Dollars in thousands, except per share data)
Net income	$	24,902	$	30,628	$	51,653	$	65,853
Weighted Average Shares
Basic shares	32,944,761		34,313,492		33,564,596		31,226,985
Effect of dilutive securities	28,098		41,878		31,991		48,381
Diluted shares	32,972,859		34,355,370		33,596,587		31,275,366
Net income per share
Basic EPS	$	0.76	$	0.89	$	1.54	$	2.11
Effect of dilutive securities	—		—		—		—
Diluted EPS	$	0.76	$	0.89	$	1.54	$	2.11

Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share [Table Text Block]

As a result of the anti-dilution, the potential common shares excluded from the calculation of diluted earnings are as follows:

	Three Months Ended		Six Months Ended
	June 30		June 30
	2020	2019	2020	2019
Stock options	10,000	—	10,000	—
Performance-based restricted stock	—	—	9,763	11,419