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Stock-based Compensation and Benefits (Tables)

6 Months Ended

Jun. 30, 2023

Stock-based Compensation and Benefits

Summary of outstanding stock options

The following table summarizes stock option activity for the six months ended June 30, 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		107,530	​		33.46	​	​	​	​	​
Exercised	​	(4,755)	​	​	18.09	​	​	​	​	​
Forfeited		—	​		—	​	​	​	​	​
Outstanding at June 30, 2023		819,863	​	​	30.34		6.03	​	​	2,374
Options exercisable at June 30, 2023		628,519	​	​	28.39		5.07	​	​	2,372
Options vested and expected to vest		795,529	​	​	30.16		5.93	​	​	2,374

Summary of Restricted Stock Activity

The following table summarizes restricted stock and performance stock unit activity during the six months ended June 30, 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	​	179,406	​	​	31.07	​	79,215	​	​	30.57
Adjustment due to performance	​	—	​	​	—	​	18,664	​	​	25.94
Vested	​	(79,014)	​	​	35.08	​	(74,142)	​	​	26.55
Forfeited	​	(1,528)	​	​	37.06	​	(1,030)	​	​	37.67
Unvested at June 30, 2023	​	264,001	​	$	34.35	​	178,564	​	$	34.54

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- References

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- Definition

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.

+ References

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- Definition

Tabular disclosure of number, weighted-average exercise price or conversion ratio, aggregate intrinsic value, and weighted-average remaining contractual term for outstanding and exercisable options that are fully vested and expected to vest. Includes, but is not limited to, unvested options for which requisite service period has not been rendered but that are expected to vest based on achievement of performance condition, if forfeitures are recognized when they occur.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (e)
-SubTopic 10
-Topic 718
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147480429/718-10-50-2

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