Accumulated Shares Purchased, Shares

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- Definition

Accumulated Stock Acquired, Average Cost Per Share

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No definition available.

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- Definition

Fungible Share Pool, Grant Of Full Value Share Conversion Ratio

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No definition available.

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- Definition

Treasury Stock, Percentage of Outstanding Shares Reacquired

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No definition available.

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- Definition

Face amount or stated value per share of common stock.

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- Definition

Face amount or stated value per share of preferred stock nonredeemable or redeemable solely at the option of the issuer.

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- Definition

The maximum number of nonredeemable preferred shares (or preferred stock redeemable solely at the option of the issuer) permitted to be issued by an entity's charter and bylaws.

+ References

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- Definition

Total number of nonredeemable preferred shares (or preferred stock redeemable solely at the option of the issuer) issued to shareholders (includes related preferred shares that were issued, repurchased, and remain in the treasury). May be all or portion of the number of preferred shares authorized. Excludes preferred shares that are classified as debt.

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- Definition

Aggregate share number for all nonredeemable preferred stock (or preferred stock redeemable solely at the option of the issuer) held by stockholders. Does not include preferred shares that have been repurchased.

+ References

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- Definition

Period over which grantee's right to exercise award under share-based payment arrangement is no longer contingent on satisfaction of service or performance condition, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. Includes, but is not limited to, combination of market, performance or service condition.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (a)(1)
-URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901

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- Definition

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.

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No definition available.

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- Definition

Number of additional shares authorized for issuance under share-based payment arrangement.

+ References

No definition available.

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- Definition

The difference between the maximum number of shares (or other type of equity) authorized for issuance under the plan (including the effects of amendments and adjustments), and the sum of: 1) the number of shares (or other type of equity) already issued upon exercise of options or other equity-based awards under the plan; and 2) shares (or other type of equity) reserved for issuance on granting of outstanding awards, net of cancellations and forfeitures, if applicable.

+ References

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-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901

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- Definition

The grant-date intrinsic value of options granted during the reporting period as calculated by applying the disclosed option pricing methodology.

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (d)(1)
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- Definition

Amount by which the current fair value of the underlying stock exceeds the exercise price of options outstanding.

+ 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.

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (e)(2)
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- Definition

Weighted-average exercise price, at which grantee can acquire shares reserved for issuance, for fully vested and expected to vest options outstanding. 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.

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-SubTopic 10
-Section 50
-Paragraph 2
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- Definition

Price of a single share of a number of saleable stocks of a company.

+ References

No definition available.

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- Definition

Period from grant date that an equity-based award expires, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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-Paragraph 2
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- Definition

Amount of stock repurchase plan authorized.

+ References

No definition available.

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Amount remaining of a stock repurchase plan authorized.

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No definition available.

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- Definition

Number of shares that have been repurchased during the period and have not been retired and are not held in treasury. Some state laws may govern the circumstances under which an entity may acquire its own stock and prescribe the accounting treatment therefore. This element is used when state law does not recognize treasury stock.

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-Name Accounting Standards Codification
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-SubTopic 10
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- Definition

Equity impact of the value of stock that has been repurchased during the period and has not been retired and is not held in treasury. Some state laws may mandate the circumstances under which an entity may acquire its own stock and prescribe the accounting treatment therefore. This element is used when state law does not recognize treasury stock.

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- Definition

Total cost of shares repurchased divided by the total number of shares repurchased.

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-Name Accounting Standards Codification
-Topic 505
-SubTopic 30
-Section 45
-Paragraph 1
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- Definition

Number of common and preferred shares that were previously issued and that were repurchased by the issuing entity and held in treasury on the financial statement date. This stock has no voting rights and receives no dividends.

+ References

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Shareholders' Equity and Share-Based Compensation - Narrative (Details)	12 Months Ended
	Dec. 31, 2021 USD ($) $ / shares shares	Dec. 31, 2020 USD ($) $ / shares shares	Dec. 31, 2015 shares	Dec. 31, 2013	Dec. 31, 2019 $ / shares	Sep. 30, 2015 USD ($) $ / shares
Share-based Compensation Arrangement by Share-based Payment Award
Common stock, par value (in usd per share) \| $ / shares	$ 0.001	$ 0.001			$ 0.001
Shares reacquired during period (in shares) \| shares	140,758	52,095
Percentage of outstanding shares reacquired	0.30%	0.10%
Shares reacquired during period, value \| $	$ 5,300,000	$ 2,200,000
Share price of treasury stock acquired during period (in usd per share) \| $ / shares	$ 37.49	$ 41.17
Accumulated shares repurchased (shares) \| shares	1,040,226
Accumulated average cost of share repurchase (in usd per share) \| $ / shares	$ 33.33
Remaining authorized repurchase amount \| $	$ 15,300,000
Treasury stock (in shares) \| shares	25,043,337	24,902,579
Preferred stock, shares authorized (in shares) \| shares	1,000,000	1,000,000
Preferred stock, par value (in usd per share) \| $ / shares	$ 0.001	$ 0.001
Preferred stock, shares issued (in shares) \| shares	0	0
Preferred stock shares outstanding \| shares	0	0
Fungible share pool, grant of full value share conversion ratio				2.5
Intrinsic value \| $ / shares	$ 0
Weighted average exercise prices of vested and exercisable options (in usd per share) \| $ / shares	37.94	$ 36.59			$ 34.81
Share price (in usd per share) \| $ / shares	$ 38.70
Aggregate intrinsic value of vested options \| $	$ 1,500,000
Aggregate intrinsic value of options \| $	$ 1,500,000
Minimum \| Employee stock option
Share-based Compensation Arrangement by Share-based Payment Award
Vesting period	4 years
Expiration period	7 years
Minimum \| Restricted stock units
Share-based Compensation Arrangement by Share-based Payment Award
Vesting period	1 year
Maximum \| Employee stock option
Share-based Compensation Arrangement by Share-based Payment Award
Expiration period	10 years
Maximum \| Restricted stock units
Share-based Compensation Arrangement by Share-based Payment Award
Vesting period	4 years
2015 Plan
Share-based Compensation Arrangement by Share-based Payment Award
Authorized repurchase amount \| $						$ 50,000,000
Common stock, par value (in usd per share) \| $ / shares						$ 0.001
Comprehensive Plan
Share-based Compensation Arrangement by Share-based Payment Award
Amended increase in shares reserved for issuance (in shares) \| shares			2,500,000
Shares available for grant (in shares) \| shares	2,688,416