Earnings per Common Share (Tables)

12 Months Ended

Dec. 31, 2017

Earnings Per Share [Abstract]

Computation of Basic and Diluted Earnings Per Common Share

The following table sets forth the computation of basic and diluted earnings per common share:

Year Ended December 31	2017		2016		2015
(dollars in thousands, except per share data)
Net income	$	199,204	$	170,891	$	159,649
Less: Preferred stock dividends	8,041		8,041		8,041
Net income available to common stockholders	$	191,163	$	162,850	$	151,608
Basic weighted average common shares outstanding	302,195,295		206,244,498		174,971,785
Net effect of dilutive stock options, warrants and restricted stock	1,662,681		1,524,111		1,367,168
Diluted weighted average common shares outstanding	303,857,976		207,768,609		176,338,953
Earnings per common share:
Basic	$	0.63	$	0.79	$	0.87
Diluted	$	0.63	$	0.78	$	0.86

Schedule of Average Shares Excluded from Diluted Earnings Per Common Share Calculation

The following table shows the average shares excluded from the above calculation as their effect would have been anti-dilutive:

Year Ended December 31	2017	2016	2015
Average shares excluded from the diluted earnings per common share calculation	910	9,980	18,167