Earnings Per Share (Tables)

12 Months Ended

Dec. 31, 2022

Earnings Per Share [Abstract]

Basic and diluted earnings per share

Basic and diluted earnings per share has been computed based on the following:

	Years ended
(Dollars in thousands, except per share data)	December 31, 2022		December 31, 2021	December 31, 2020
Net income available to common stockholders, basic and diluted	$	303,202	284,757	266,400
Average outstanding shares - basic	110,757,473		99,313,255	94,883,864
Add: dilutive restricted stock units and stock options	70,460		84,995	48,489
Average outstanding shares - diluted	110,827,933		99,398,250	94,932,353
Basic earnings per share	$	2.74	2.87	2.81
Diluted earnings per share	$	2.74	2.86	2.81
Restricted stock units and stock options excluded from the   diluted average outstanding share calculation 1	8,642		194	88,240

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1 Anti-dilution occurs when the unrecognized compensation cost per share of a restricted stock unit or the exercise price of a stock option exceeds the market price of the Company’s stock.