Employee Service Share-based Compensation, Nonvested Awards, Modifications to Awards

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The number of shares issued to directors for a specific year pursuant to the terms of the deferred compensation plan.

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No definition available.

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- Definition

The fair value at grant date for nonvested equity-based awards issued during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan).

+ References

No definition available.

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- Definition

Share-based Compensation Arrangement by Share-based Payment Award, Performance Objective Measurement Period

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- Definition

Unrecognized cost of unvested share-based compensation awards.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (i)
-URI http://asc.fasb.org/extlink&oid=109197908&loc=d3e5070-113901

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- Definition

Weighted average period over which unrecognized compensation is expected to be recognized for equity-based compensation plans, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

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- Definition

Unrecognized cost of unvested share-based awards, other than options, awarded to employees as compensation.

+ References

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- Definition

Unrecognized cost of unvested options awarded to employees as compensation.

+ References

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- Definition

Description of award terms as to how many shares or portion of an award are no longer contingent on satisfaction of either a service condition, market condition or a performance condition, thereby giving the employee the legal right to convert the award to shares, to sell the shares, and be entitled to the cash proceeds of such sale. For example, vesting may be expressed as being 25 percent of the shares under option on each anniversary of the grant date.

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- Definition

The number of grants made during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan).

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-Publisher FASB
-Name Accounting Standards Codification
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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

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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-Publisher FASB
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-Topic 718
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- Definition

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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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
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- Definition

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

+ References

No definition available.

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- Definition

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

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-Publisher FASB
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- Definition

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

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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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Accounting for Stock-Based Compensation (Narrative) (Details)	3 Months Ended
	Mar. 31, 2019 USD ($) item $ / shares shares	Mar. 31, 2018 USD ($) item	Mar. 01, 2019 shares	Mar. 01, 2018 shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Employee service share-based compensation, unrecognized compensation costs on nonvested awards \| $	$ 22,000,000
Employee service share-based compensation total compensation cost not yet recognized, period for recognition	28 months
Aggregate intrinsic value of options exercised \| $	$ 0	$ 0
Common Class A [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share Price \| $ / shares	$ 3.73
Employee Stock Option [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Employee service share-based compensation total compensation cost not yet recognized, period for recognition	35 months
Employee service share-based compensation, unrecognized compensation costs on nonvested stock options \| $	$ 2,000,000
Employee service share-based compensation, nonvested awards, modifications to awards \| item	0	0
Weighted-average grant date fair value of stock options \| $ / shares	$ 3.08
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross	646,500
Restricted Stock Units (RSUs) [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Granted, Shares	306,612
Restricted Stock [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based compensation arrangement award vesting rights	one-third increments on each of the first three anniversaries of the award date
Granted, Shares	1,958,000
Restricted Stock and Restricted Stock Units [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Employee service share-based compensation total compensation cost not yet recognized, period for recognition	27 months
Employee service share-based compensation, unrecognized compensation costs on nonvested awards other than options \| $	$ 20,000,000
Restricted Stock, Performance-Based Units [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based compensation arrangement award vesting rights	one-third increments on each of the first three anniversaries of the award date
Plan 2000 [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based compensation arrangement award vesting rights	one-third increments on each of the first three anniversaries of the award date
Unissued common stock reserved for grants	0
Plan 2009 [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based compensation arrangement award vesting rights	one-third increments on each of the first three anniversaries of the award date
Unissued common stock reserved for grants	4,948,119
Plan 2009 [Member] \| Restricted Stock Units (RSUs) [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Fair value of units granted \| $	$ 170,000	$ 170,000
Share-based compensation, number of shares received by each director			34,068	37,118
Contractual Term of Option Granted Prior to 2005 [Member] \| Plan 2000 [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Contractual term of option granted	10 years
Contractual Term of Option Granted From 2005 Through 2007 [Member] \| Plan 2000 [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Contractual term of option granted	8 years
Contractual Term Of Option Granted From 2008 Through 2011 [Member] \| Plan 2000 [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Contractual term of option granted	10 years
Contractual Term of Option Granted in 2011 or Later [Member] \| Plan 2009 [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Contractual term of option granted	10 years
Performance-Based Awards Granted Prior To March 1, 2017 [Member] \| Restricted Stock, Performance-Based Units [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based compensation arrangement by payment award, performance objective measurement period	1 year
Performance-Based Awards Granted On Or After March 1, 2017 [Member] \| Restricted Stock, Performance-Based Units [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based compensation arrangement by payment award, performance objective measurement period	3 years