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Share-Based Compensation (Tables)

3 Months Ended

Mar. 31, 2023

Share-Based Compensation

Schedule of stock option activity

​

​	​	​	​	​	​	​	​	​	​	​	​
​	​	​									​
​	​	​				​	​				​
​	​	​	​	​		​	Weighted	​	​		​
​	​	​	​	Weighted		​	Average	​	Aggregate		​
​	​	​	​	Average		​	Remaining	​	Intrinsic		​
​		Shares		Price			(Yrs.)		(000's)
Outstanding at January 1, 2023	​	161,832	​	$	66.20	​	​	​	​	​	​
Exercised	​	(19,011)	​		51.01	​	​	​		​	​
Expired	​	(929)	​	​	33.09	​	​	​		​	​
Outstanding at March 31, 2023	​	141,892	​		68.45	​	3.03	​	$	1,534	​
Exercisable at March 31, 2023	​	141,892	​	​	68.45	​	3.03	​	$	1,534	​

Summary of nonvested restricted stock

​

​	​	​	​	​	​	​
​		​		Weighted-
​	​	​	​	Average
​	​	​	​	Grant-Date
Restricted Stock	​	Shares	​	Fair Value
Nonvested at January 1, 2023		50,506	​	$	89.12	​
Vested		(18,380)	​		90.00	​
Forfeited		(2,233)	​		90.00	​
Nonvested at March 31, 2023		29,893	​	$	88.51	​

Summary of nonvested RSUs

​

​	​	​	​	​	​	​
​		​		Weighted-
​	​	​	​	Average
​	​	​	​	Grant-Date
Restricted Stock Units	​	Shares	​	Fair Value
Outstanding at January 1, 2023		940,512	​	$	73.82	​
Granted		328,343	​		76.05	​
Vested	​	(177,708)	​	​	86.81	​
Forfeited	​	(3,604)	​	​	75.92	​
Outstanding at March 31, 2023		1,087,543	​	$	72.37	​

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- Definition

Tabular disclosure of the changes in outstanding nonvested shares.

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
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Tabular disclosure of the number and weighted-average grant date fair value for restricted stock units that were outstanding at the beginning and end of the year, and the number of restricted stock units that were granted, vested, or forfeited during the year.

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-Topic 718
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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.

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