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Net Income Per Common Share (Tables)

9 Months Ended

Sep. 30, 2019

Earnings Per Share [Abstract]

Basic and Diluted Net Income Per Common Share Based on Weighted-average Shares Outstanding

Basic and diluted net income per common share based on weighted-average shares outstanding are calculated as follows:

		Income (Numerator)				Shares (Denominator)				Per Share Amount
		(Dollars in thousands, except per share data)
Three Months Ended September 30, 2019
Basic
Income available to common stockholders		$	33,368				32,641,902			$	1.02
Dilutive effect of stock options			—				685,311
Diluted
Income available to common stockholders plus assumed exercises of stock options		$	33,368				33,327,213			$	1.00
Three Months Ended September 30, 2018
Basic
Income available to common stockholders		$	32,883				32,742,480			$	1.01
Dilutive effect of stock options			—				761,663
Diluted
Income available to common stockholders plus assumed exercises of stock options		$	32,883				33,504,143			$	0.98
Nine Months Ended September 30, 2019
Basic
Income available to common stockholders		$	99,372				32,627,924			$	3.04
Dilutive effect of stock options			—				686,374
Diluted
Income available to common stockholders plus assumed exercises of stock options		$	99,372				33,314,298			$	2.98
Nine Months Ended September 30, 2018
Basic
Income available to common stockholders		$	93,089				32,678,310			$	2.85
Dilutive effect of stock options			—				752,451
Diluted
Income available to common stockholders plus assumed exercises of stock options		$	93,089				33,430,761			$	2.78

Options Excluded From Computation of Diluted Net Income Per Common Share

The following table shows the number of options that were excluded from the computation of diluted net income per common share for each period because the options were anti-dilutive for the period:

		Shares
Three Months Ended September 30, 2019			164,696
Three Months Ended September 30, 2018			83,799
Nine Months Ended September 30, 2019			174,489
Nine Months Ended September 30, 2018			84,368

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- References

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- Definition

Tabular disclosure of securities (including those issuable pursuant to contingent stock agreements) that could potentially dilute basic earnings per share (EPS) in the future that were not included in the computation of diluted EPS because to do so would increase EPS amounts or decrease loss per share amounts for the period presented, by antidilutive securities.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 260
-SubTopic 10
-Section 50
-Paragraph 1
-Subparagraph (c)
-URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257

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- Definition

Tabular disclosure of an entity's basic and diluted earnings per share calculations, including a reconciliation of numerators and denominators of the basic and diluted per-share computations for income from continuing operations.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 260
-SubTopic 10
-Section 50
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257

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