Maximum non-employee cash deferral to non-qualified deferred compensation plan.

No definition available.

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- Definition

Maximum non-employee RSU deferral to non-qualified deferred compensation plan.

+ References

No definition available.

+ Details

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- Definition

Maximum of cash portion of PSU compensation to defer under non-qualified deferred compensation plan.

+ References

No definition available.

+ Details

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- Definition

Maximum of cash portion of RSU compensation to defer under non-qualified deferred compensation plan.

+ References

No definition available.

+ Details

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- Definition

Maximum percentage of salary and cash bonus received by plan participants.

+ References

No definition available.

+ Details

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- Definition

Maximum portion of base salary to defer under non-qualified deferred compensation plan.

+ References

No definition available.

+ Details

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- Definition

Maximum portion of bonus to defer under non-qualified deferred compensation plan.

+ References

No definition available.

+ Details

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- Definition

Minimum Percentage of salary and cash bonus received by plan participants.

+ References

No definition available.

+ Details

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- Definition

Number of executive officers associated to KERP (Key Employee Retention Program).

+ References

No definition available.

+ Details

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- Definition

Offering period.

+ References

No definition available.

+ Details

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- Definition

Payments to retain key employees.

+ References

No definition available.

+ Details

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- Definition

Share-based compensation arrangement by share-based payment award equity instruments other than options nonvested number in current year.

+ References

No definition available.

+ Details

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- Definition

Share-based compensation arrangement by share-based payment award equity instruments other than options nonvested number in year one.

+ References

No definition available.

+ Details

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- Definition

Share-based compensation arrangement by share-based payment award equity instruments other than options nonvested number in year two.

+ References

No definition available.

+ Details

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- Definition

Period over which share based payment arrangements expire

+ References

No definition available.

+ Details

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- Definition

Stock based and long term compensation.

+ References

No definition available.

+ Details

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- Definition

Supplemental executive retirement plan contribution.

+ References

No definition available.

+ Details

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- Definition

Amount of distribution made to individual in accordance with deferred compensation arrangement.

+ References

No definition available.

+ Details

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- Definition

Amount of discretionary contributions made by an employer to a defined contribution plan.

+ References

No definition available.

+ Details

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- Definition

Percentage of employees' gross pay for which the employer contributes a matching contribution to a defined contribution plan.

+ References

No definition available.

+ Details

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- Definition

Maximum percentage of employee gross pay the employee may contribute to a defined contribution plan.

+ References

No definition available.

+ Details

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- Definition

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

+ References

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- Definition

Estimated period over which an employee is required to provide service in exchange for the equity-based payment award, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ 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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- 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

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
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- Definition

Number of share options (or share units) exercised during the current period.

+ References

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-Name Accounting Standards Codification
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- Definition

Ratio applied to the conversion of stock split, for example but not limited to, one share converted to two or two shares converted to one.

+ References

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-Publisher FASB
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Stock-Based And Long-Term Incentive Compensation (Narrative) (Details)	12 Months Ended
	Dec. 31, 2020 USD ($) item shares	Dec. 31, 2019 USD ($) shares	Dec. 31, 2018 USD ($) shares
Stock Based and Long-Term Compensation (Textual) [Abstract]
Exercise of stock options, shares \| shares	0	0	0
Stock split, conversion ratio		0.1
Stock Options [Member]
Stock Based and Long-Term Compensation (Textual) [Abstract]
Shares available for future grants \| shares	0
Share-based payment vesting period, years	3 years
Stock Options [Member] \| Equal Installments [Member]
Stock Based and Long-Term Compensation (Textual) [Abstract]
Share-based payment expiration period, years	10 years
Restricted Stock Units (RSUs) [Member]
Stock Based and Long-Term Compensation (Textual) [Abstract]
Unrecognized compensation expense related to non-vested options oustanding	$ 1,200,000
Restricted Stock Units (RSUs) [Member] \| Equal Installments [Member]
Stock Based and Long-Term Compensation (Textual) [Abstract]
Share-based payment vesting period, years	3 years
Performance Share Units [Member]
Stock Based and Long-Term Compensation (Textual) [Abstract]
Performance period of PSU grant, years	3 years
Performance Share Units Outstanding, in 2020 \| shares	210,398
Performance Share Units Outstanding, in next year \| shares	96,522
Performance Share Units Outstanding, in 2 years \| shares	113,876
KERP [Member]
Stock Based and Long-Term Compensation (Textual) [Abstract]
Number of executive officers associated to KERP \| item	6
KERP [Member] \| Executive Officers [Member]
Stock Based and Long-Term Compensation (Textual) [Abstract]
Retention payments	$ 7,300,000
KERP [Member] \| Non-executive Employees [Member]
Stock Based and Long-Term Compensation (Textual) [Abstract]
Retention payments	$ 2,400,000
ESPP [Member]
Stock Based and Long-Term Compensation (Textual) [Abstract]
Offering period	6 months
401K/Profit Sharing Plan [Member]
Stock Based and Long-Term Compensation (Textual) [Abstract]
Maximum empoyee contribution	75.00%
Company contribution, percent	100.00%
Company discretionary contributions	$ 6,200,000	$ 10,500,000	$ 10,000,000.0
Maximum portion of base salary to defer under non-qualified deferred compensation plan	4.00%
Non-Qualified Deferred Compensation Plans [Member]
Stock Based and Long-Term Compensation (Textual) [Abstract]
Maximum portion of bonus to defer under non-qualified deferred compensation plan	75.00%
Non-employee cash deferred to non-qualified compensation plan	100.00%
Maximum of cash portion of PSU compensation to defer under non-qualified deferred compensation plan	100.00%
Maximum of cash portion of RSU compensation to defer under non-qualified deferred compensation plan	100.00%
Non-employee RSU deferred to non-qualified compensation plan	100.00%
Supplemental Executive Retirement Plan [Member]
Stock Based and Long-Term Compensation (Textual) [Abstract]
Employers Contribution to be received by plan participants, Minimum	5.00%
Employers Contribution to be received by plan participants, Maximum	35.00%
Employers contribution	$ 0	1,100,000	1,200,000
Distribution to select participants	$ 0	$ 2,300,000	$ 0