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Earnings Per Share (Tables)

6 Months Ended

Jun. 30, 2023

Earnings Per Share [Abstract]

Factors Used in Computation of Earnings Per Share

The factors used in the earnings per share computation follow:

			Three Months Ended June 30,												Six Months Ended June 30,
(Dollars in thousands)			2023						2022						2023						2022
Basic
Net income to common stockholders			$	6,848					$	43,390					$	17,057					$	66,918
Weighted average common shares outstanding			23,138,835						24,427,270						23,249,668						24,612,988
Basic earnings per common share			$	0.30					$	1.78					$	0.73					$	2.72
Diluted
Net income to common stockholders			$	6,848					$	43,390					$	17,057					$	66,918
Weighted average common shares outstanding			23,138,835						24,427,270						23,249,668						24,612,988
Dilutive effects of:
Assumed exercises of stock options			71,658						89,443						73,884						99,402
Restricted stock awards			90,645						144,526						113,930						189,492
Restricted stock units			65,909						85,934						91,878						91,236
Performance stock units - market based			87,360						115,825						104,203						127,694
Performance stock units - performance based			—						—						—						—
Employee stock purchase program			1,064						3,575						780						2,173
Average shares and dilutive potential common shares			23,455,471						24,866,573						23,634,343						25,122,985
Diluted earnings per common share			$	0.29					$	1.74					$	0.72					$	2.66

Schedule of Shares not Considered in Computing Diluted Earnings per Common Share

Shares that were not considered in computing diluted earnings per common share because they were antidilutive are as follows:

			Three Months Ended June 30,												Six Months Ended June 30,
			2023						2022						2023						2022
Stock options			107,309						52,878						107,309						52,878
Restricted stock awards			4,232						6,348						4,232						6,348
Restricted stock units			11,250						15,000						11,250						15,000
Performance stock units - market based			42,056						45,296						42,056						45,296
Performance stock units - performance based			—						254,832						—						254,832
Employee stock purchase program			—						—						—						—

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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
-Name Accounting Standards Codification
-Topic 260
-SubTopic 10
-Section 50
-Paragraph 1
-Subparagraph (c)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147482662/260-10-50-1

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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://www.xbrl.org/2009/role/commonPracticeRef
-Topic 260
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 1
-Subparagraph (a)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147482662/260-10-50-1

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