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Stock-based Compensation and Benefits (Tables)

3 Months Ended

Mar. 31, 2023

Stock-based Compensation and Benefits

Summary of Option Activity

The following table summarizes stock option activity for the three months ended March 31, 2023:

​

​	​	​	​	​	​	​	​	​	​	​
​		​		​	​		Weighted		​	​
​	​	​	​	​	​	​	average	​	​	​
​	​	​	​	Weighted		​	remaining	​	​	​
​	​	​	​	average		​	contractual	​	Aggregate
​	​	​	​	exercise		​	term in	​	intrinsic
​	​	Options	​	price		​	years	​	value
Outstanding at December 31, 2022		717,088	​	$	29.79		5.98	​	$	8,850
Granted		—	​		—	​	​	​	​	​
Exercised	​	(1,900)	​	​	18.09	​	​	​	​	​
Forfeited		—	​		—	​	​	​	​	​
Outstanding at March 31, 2023		715,188	​	​	29.82		5.70	​	​	3,863
Options exercisable at March 31, 2023		520,292	​	​	27.82		4.80	​	​	3,214
Options vested and expected to vest		704,495	​	​	29.65		5.66	​	​	3,859

​

Summary of Restricted Stock Activity

The following table summarizes restricted stock and performance stock unit activity during the three months ended March 31, 2023:

​

​	​	​	​	​	​	​	​	​	​	​
​		​		Weighted		​	​	​	​	Weighted
​	​	Restricted	​	average grant-		​	Performance	​	​	average grant-
​	​	stock shares	​	date fair value		​	stock units	​	​	date fair value
Unvested at December 31, 2022	​	165,137	​	$	38.28	​	155,857	​	$	33.81
Granted	​	2,836	​	​	40.49	​	—	​	​	—
Adjustment due to performance	​	—	​	​	—	​	12,084	​	​	24.58
Vested	​	(633)	​	​	36.22	​	(36,236)	​	​	24.58
Forfeited	​	(1,162)	​	​	38.69	​	(1,030)	​	​	37.67
Unvested at March 31, 2023	​	166,178	​	$	38.33	​	130,675	​	$	35.49

​

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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 https://asc.fasb.org/extlink&oid=128089324&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 https://asc.fasb.org/extlink&oid=128089324&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 https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901

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Disclosure of the number and weighted-average grant date fair value for restricted stock and restricted stock units that were outstanding at the beginning and end of the year, and the number of restricted stock and restricted stock units that were granted, vested, or forfeited during the year.

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