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Stock Options (Tables)

9 Months Ended

Sep. 30, 2025

Stock Options

Summary of option activity under stock option plans

​

​	​	​	​	​	​	​	​	​	​	​	​
​		​		​	​		Weighted			​	​
​	​	​	​	Weighted		​	average	​	​	​	​
​	​	​	​	average		​	remaining	​	Aggregate		​
​	​	Number of	​	exercise		​	contractual	​	intrinsic		​
​	​	options	​	price		​	term (years)	​	value ($)		​
​	​	​	​	​	​	​	​	​	(in Thousands)		​
Options outstanding at December 31, 2024		212,155	​	$	35.27	​	​	​	​	​	​
Plus: Options granted		—	​	​	—	​	​	​	​	​	​
Less:	​	​	​	​	​	​	​	​	​	​	​
Options exercised		(36,170)	​	​	34.55	​	​	​	​	​	​
Options expired		—	​	​	—	​	​	​	​	​	​
Options forfeited		(5,150)	​	​	34.03	​	​	​	​	​	​
Options outstanding at September 30, 2025		170,835	​		35.46		3.59	​	$	5,688	​
​	​	​	​	​	​	​	​	​	​	​	​
Options fully vested and exercisable at September 30, 2025		128,422	​	$	36.25		2.89	​	$	4,174	​

Summary of activity under the SAR Plan

​

​	​	​	​	​	​	​	​	​	​	​
​		​		​	​		Weighted			​
​	​	​	​	Weighted		​	average	​	​	​
​	​	Number of	​	average		​	remaining	​	Aggregate
​	​	stock appreciation	​	exercise		​	contractual	​	intrinsic
​	​	rights	​	price		​	term (years)	​	value ($)
​	​	​	​	​	​	​	​	​	(in Thousands)
SARs outstanding at December 31, 2024		456,702	​	$	39.61	​	​	​	​	​
Plus: SARs granted		—	​	​	​	​	​	​	​	​
Less:	​	​	​	​	​	​	​	​	​	​
SARs exercised		(8,048)	​	​	39.33	​	​	​	​	​
SARs expired		—	​	​	—	​	​	​	​	​
SARs forfeited		(14,125)	​	​	39.33	​	​	​	​	​
SARs outstanding at September 30, 2025		434,529	​		39.62	​	6.79	​	$	12,657
​	​	​	​	​	​	​	​	​	​	​
SARs fully vested and exercisable at September 30, 2025		63,779	​	$	39.34		6.75	​	$	1,876

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- Definition

Tabular disclosure of the number and weighted-average exercise prices (or conversion ratios) for stock appreciation rights awards that were outstanding at the beginning and end of the year, and the number of stock appreciation rights awards that were granted, exercised or converted, forfeited, and expired during the year.

+ References

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-Name Accounting Standards Codification
-Section 50
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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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