Earnings Per Share (Tables)

12 Months Ended

Dec. 31, 2018

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, 2018		December 31, 2017	December 31, 2016
Net income available to common stockholders, basic and diluted	$	181,878	116,377	121,131
Average outstanding shares - basic	83,603,515		77,537,664	76,278,463
Add: dilutive restricted stock awards and stock options	73,670		69,941	63,373
Average outstanding shares - diluted	83,677,185		77,607,605	76,341,836
Basic earnings per share	$	2.18	1.50	1.59
Diluted earnings per share	$	2.17	1.50	1.59