Share based compensation arrangement by share based payment award number of common stock reserved for issuance.

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- Definition

Share based compensation arrangement by share based payment award option awards contractual term.

+ References

No definition available.

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- Definition

Amount of expense for award under share-based payment arrangement. Excludes amount capitalized.

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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 1
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-Section S99
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- Definition

Amount, after tax, of expense for award under share-based payment arrangement.

+ References

No definition available.

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- Definition

Amount of cost not yet recognized for nonvested award under share-based payment arrangement.

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-Publisher FASB
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- Definition

Weighted-average period over which cost not yet recognized is expected to be recognized for award under share-based payment arrangement, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

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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.

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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.

+ 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.

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- Definition

Net number of share options (or share units) granted during the period.

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- Definition

Number of fully vested and expected to vest options outstanding that can be converted into shares under option plan. 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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- Definition

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 - Narrative (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018	May 19, 2017	May 09, 2012
Share Based Compensation Arrangement by Share Based Payment Award [Line Items]
Fully vested options (in shares)	63,000
Options outstanding, weighted average remaining contractual term (years)	1 year
Restricted Stock Units (RSUs)
Share Based Compensation Arrangement by Share Based Payment Award [Line Items]
Recognized stock-based compensation costs	$ 19,697	$ 23,620	$ 31,382
Recognized stock-based compensation costs, net of tax	14,576	$ 17,479	$ 24,436
Pre-tax unrecognized compensation expense	$ 17,706
Recognized expense over a weighted-average period, years	1 year 7 months 6 days
2012 Long-Term Incentive Plan
Share Based Compensation Arrangement by Share Based Payment Award [Line Items]
Common stock reserved for issuance (in shares)					3,200,000
Additional awards available to be granted (in shares)				0
2012 Long-Term Incentive Plan \| Stock Options Plans
Share Based Compensation Arrangement by Share Based Payment Award [Line Items]
Option awards contractual term (years)	10 years
2012 Long-Term Incentive Plan \| Minimum \| Stock Options Plans
Share Based Compensation Arrangement by Share Based Payment Award [Line Items]
Vesting period (years)	3 years
2012 Long-Term Incentive Plan \| Minimum \| Restricted Stock Units (RSUs)
Share Based Compensation Arrangement by Share Based Payment Award [Line Items]
Vesting period (years)	3 years
2012 Long-Term Incentive Plan \| Maximum \| Stock Options Plans
Share Based Compensation Arrangement by Share Based Payment Award [Line Items]
Vesting period (years)	5 years
2012 Long-Term Incentive Plan \| Maximum \| Restricted Stock Units (RSUs)
Share Based Compensation Arrangement by Share Based Payment Award [Line Items]
Vesting period (years)	5 years
2017 Long-Term Incentive Plan
Share Based Compensation Arrangement by Share Based Payment Award [Line Items]
Common stock reserved for issuance (in shares)				3,000
Non-employee director
Share Based Compensation Arrangement by Share Based Payment Award [Line Items]
Options granted (in shares)	1	1	1