Earnings Per Share (Tables)

12 Months Ended

Dec. 31, 2020

Earnings Per Share [Abstract]

Summary of Per Common Share Data and Amounts

The following table presents a summary of earnings per common share data and amounts for the periods indicated.

	Year ended December 31,
($ in thousands, except per share data)	2020		2019		2018
Net income	$	74,384	$	92,739	$	89,217
Weighted average common shares outstanding	26,954		26,045		23,100
Additional dilutive common stock equivalents	35		114		189
Weighted average diluted common shares outstanding	26,989		26,159		23,289
Basic earnings per common share:	$	2.76	$	3.56	$	3.86
Diluted earnings per common share:	$	2.76	$	3.55	$	3.83