Earnings per Common Share (Tables)

9 Months Ended

Sep. 30, 2018

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 share and per share data)	2018		2017		2018		2017
Numerator:
Net income available to common shareholders	$	16,682	$	10,739	$	46,656	$	29,216
Denominator for basic earnings per share – weighted average shares outstanding	20,270,706		17,023,046		20,237,757		16,987,499
Effect of dilutive common shares	167,670		230,936		206,318		254,728
Denominator for diluted earnings per share – adjusted weighted average shares outstanding	20,438,376		17,253,982		20,444,075		17,242,227
Basic earnings per share	$	0.82	$	0.63	$	2.31	$	1.72
Diluted earnings per share	$	0.82	$	0.62	$	2.28	$	1.69
Antidilutive shares excluded from computation of average dilutive earnings per share	22,232		21,621		48,807		47,268