XML 34 R24.htm IDEA: XBRL DOCUMENT
v3.23.1

Stock Options and Stock Appreciation Rights (Tables) | 3 Months Ended
--- | ---
Mar. 31, 2023
Stock Options and Stock Appreciation Rights |
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, 2022 |  | 461,822 | ​ | $ | 29.67 | ​ | ​ | ​ | ​ | ​ | ​
Plus: Options granted |  | — | ​ |  | — | ​ | ​ | ​ | ​ | ​ | ​
Less: | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Options exercised |  | 3,537 | ​ |  | 24.00 | ​ | ​ | ​ | ​ | ​ | ​
Options expired |  | — | ​ |  | — | ​ | ​ | ​ | ​ | ​ | ​
Options forfeited |  | 2,938 | ​ |  | 36.51 | ​ | ​ | ​ | ​ | ​ | ​
Options outstanding at March 31, 2023 |  | 455,347 | ​ |  | 29.67 |  | 3.82 | ​ | $ | 5,987 | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Options fully vested and exercisable at March 31, 2023 |  | 257,932 | ​ | $ | 25.20 |  | 2.06 | ​ | $ | 4,545 | ​
​
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)
Stock appreciation rights outstanding at December 31, 2022 |  | 489,250 | ​ | $ | 39.35 | ​ | ​ | ​ | ​ | ​
Plus: Stock appreciation rights granted |  | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Less: | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Stock appreciation rights exercised |  | — | ​ | ​ | — | ​ | ​ | ​ | ​ | ​
Stock appreciation rights expired |  | — | ​ | ​ | — | ​ | ​ | ​ | ​ | ​
Stock appreciation rights forfeited |  | 5,750 | ​ | ​ | 39.33 | ​ | ​ | ​ | ​ | ​
Stock appreciation rights outstanding at March 31, 2023 |  | 483,500 | ​ |  | 39.35 |  | 9.50 | ​ | $ | 1,680
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Stock appreciation rights fully vested and exercisable at March 31, 2023 |  | — | ​ | $ | — |  | ​ | ​ | ​ | ​
​

X
- References No definition available. + Details
Name: | us-gaap_DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- 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 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 (c)(1) -URI https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901 + Details
Name: | us-gaap_ScheduleOfShareBasedCompensationStockAppreciationRightsAwardActivityTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- 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 + Details
Name: | us-gaap_ScheduleOfShareBasedCompensationStockOptionsActivityTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration