Amount of accumulated difference between fair value of underlying shares on dates of exercise and exercise price on options exercised (or share units converted) into shares.

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- Definition

Number of options outstanding, including both vested and non-vested options.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)(1)(ii)
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-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
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-Section 50
-Paragraph 2
-Subparagraph (c)(1)(i)
-URI https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901

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- Definition

Weighted average price at which grantees can acquire the shares reserved for issuance under the stock option plan.

+ References

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- Definition

Amount by which current fair value of underlying stock exceeds exercise price of fully vested and expected to vest exercisable or convertible options. 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

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

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- Definition

Intrinsic value of outstanding award under share-based payment arrangement. Excludes share and unit options.

+ References

No definition available.

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- Definition

Weighted average remaining contractual term for vested portions of options outstanding and currently exercisable or convertible, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

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-Publisher FASB
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-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
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Weighted average remaining contractual term for option awards outstanding, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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Stock-Based Compensation Plans - Exercise Prices and Contractual Lives of Options Outstanding (Details) - USD ($) $ / shares in Units, $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Stock Options
Share-based Payment Arrangement, Option, Exercise Price Range [Line Items]
Intrinsic value of options exercised	$ 602	$ 186	$ 251
2009 Plan
Share-based Payment Arrangement, Option, Exercise Price Range [Line Items]
Share-based compensation arrangement by share-based payment award, equity instruments other than options, aggregate intrinsic value, outstanding	60
Options exercisable intrinsic value	$ 60
Options exercisable weighted average contractual life (in years)	1 month 6 days
2009 Plan \| Stock Options
Share-based Payment Arrangement, Option, Exercise Price Range [Line Items]
Options outstanding (in shares)	293,813	299,149	12,506	14,408
Exercise price (in dollars per share)	$ 181.85	$ 178.71	$ 129.35	$ 124.05
Exercise Price $130.23 \| 2009 Plan \| Stock Options
Share-based Payment Arrangement, Option, Exercise Price Range [Line Items]
Options outstanding (in shares)	1,932
Exercise price (in dollars per share)	$ 130.23
Weighted Average Remaining Contractual Term (in years)	1 month 6 days
Exercise Price $180.32 \| 2009 Plan \| Stock Options
Share-based Payment Arrangement, Option, Exercise Price Range [Line Items]
Options outstanding (in shares)	282,088
Exercise price (in dollars per share)	$ 180.32
Weighted Average Remaining Contractual Term (in years)	8 years 2 months 12 days
Exercise Price $236.14 \| 2009 Plan \| Stock Options
Share-based Payment Arrangement, Option, Exercise Price Range [Line Items]
Options outstanding (in shares)	9,793
Exercise price (in dollars per share)	$ 236.14
Weighted Average Remaining Contractual Term (in years)	9 years 1 month 6 days