Earnings per Share (Tables)

6 Months Ended

Jun. 30, 2022

Earnings Per Share [Abstract]

Summary of Computation for Basic and Diluted Earnings per Share

The following table sets forth the computation of basic and diluted earnings per share. For additional information on the calculation of basic and diluted earnings per share, see Note 1, "Summary of Significant Accounting Policies - Earnings per Share" of the Corporation's Annual Report on Form 10-K for the year ended December 31, 2021.

	Three Months Ended				Six Months Ended
	June 30,				June 30,
(Dollars and shares in thousands, except per share data)	2022		2021		2022		2021
Numerator:
Net income	$	13,166	$	20,875	$	33,483	$	53,478
Net income allocated to unvested restricted stock awards	—		—		—		(30)
Net income allocated to common shares	$	13,166	$	20,875	$	33,483	$	53,448
Denominator:
Weighted average shares outstanding	29,490		29,390		29,516		29,359
Average unvested restricted stock awards	—		—		—		(16)
Denominator for basic earnings per share—weighted-average shares outstanding	29,490		29,390		29,516		29,343
Effect of dilutive securities—employee stock options and restricted stock units	110		140		153		136
Denominator for diluted earnings per share—adjusted weighted-average shares outstanding	29,600		29,530		29,669		29,479
Basic earnings per share	$	0.45	$	0.71	$	1.14	$	1.82
Diluted earnings per share	$	0.45	$	0.71	$	1.13	$	1.81
Average antidilutive options and restricted stock units excluded from computation of diluted earnings per share	400		283		253		287