Earnings per Share (Tables)

9 Months Ended

Sep. 30, 2020

Earnings Per Share [Abstract]

Schedule of Earnings Per Share, Basic and Diluted

	Three Months Ended September 30,				Nine Months Ended September 30,
(Dollars in thousands, except per share data)	2020		2019		2020		2019
Basic earnings per share
Net income	$	22,628	$	25,605	$	48,417	$	71,563
Average common shares outstanding	53,978		51,473		52,926		51,426
Net income per share	$	0.42	$	0.50	$	0.91	$	1.39
Diluted earnings per share
Net income	$	22,628	$	25,605	$	48,417	$	71,563
Average common shares outstanding	53,978		51,473		52,926		51,426
Add: Dilutive effect of employee restricted stock and stock options	323		462		399		570
Average diluted shares outstanding	54,301		51,935		53,325		51,996
Net income per share	$	0.42	$	0.49	$	0.91	$	1.38