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Share-Based Compensation Plans (Tables)

12 Months Ended

Dec. 31, 2020

Share-based Payment Arrangement [Abstract]

Schedule of activity of stock options and awards of shares and stock units

The following table summarizes activity regarding our stock options and awards of shares and stock units since December 31, 2017:

Stock Options																		Restricted Stock Units
						Shares						Weighted Average Price												Shares						Weighted Average Price
Balance, December 31, 2017						93,000						$	24.48					Balance, December 31, 2017						508,872						$	54.13
Granted						—						—						Granted						135,259						$	80.37
Expired						—						—						Forfeited						(1,250)						$	71.27
Exercised						(53,000)						$	24.48					Vested						(166,295)						$	48.44
Balance, December 31, 2018						40,000						$	24.48					Balance, December 31, 2018						476,586						$	63.52
Granted						—						—						Granted						169,766						$	64.34
Expired						—						—						Forfeited						(2,545)						$	71.88
Exercised						(20,000)						$	24.48					Vested						(226,229)						$	51.64
Balance, December 31, 2019						20,000						$	24.48					Balance, December 31, 2019						417,578						$	70.24
Granted						—						—						Granted						137,771						$	81.56
Expired						—						—						Forfeited						(984)						$	79.17
Exercised						(20,000)						$	24.48					Vested						(156,447)						$	72.72
Balance, December 31, 2020						—						—						Balance, December 31, 2020						397,918						$	73.16

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- References

No definition available.

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- Definition

Tabular disclosure for stock option plans. Includes, but is not limited to, outstanding awards at beginning and end of year, grants, exercises, forfeitures, and weighted-average grant date fair value.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (d)
-URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (e)
-URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901

Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)(1)
-URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901

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