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

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- Definition

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

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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.

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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

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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- 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

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

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		9 Months Ended
	Mar. 01, 2018 USD ($) shares	Mar. 01, 2017 USD ($) shares	Sep. 30, 2018 USD ($) item $ / shares shares	Sep. 30, 2017 USD ($) item	Sep. 30, 2018 USD ($) item $ / shares shares	Sep. 30, 2017 USD ($) item
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Aggregate intrinsic value of options exercised			$ 0	$ 0	$ 0	$ 0
Common Class A [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share Price \| $ / shares			$ 3.46		$ 3.46
Employee Stock Option [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Employee Service Share-based Compensation, Unrecognized Compensation Costs on Nonvested Awards			$ 0		$ 0
Employee Service Share-based Compensation, Nonvested Awards, Modifications to Awards \| item			0	0	0	0
Restricted Stock [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Rights					one-third increments on each of the first three anniversaries of the award date
Restricted Stock and Restricted Stock Units [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Employee Service Share-based Compensation, Unrecognized Compensation Costs on Nonvested Awards			$ 15,000,000		$ 15,000,000
Employee Service Share-based Compensation, Nonvested Awards, Total Compensation Cost Not yet Recognized, Period for Recognition					22 months
Restricted Stock, Performance-Based Units [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Rights					one-third increments on each of the first three anniversaries of the award date
Share-based Compensation Arrangement by Share-based Payment Award, Performance Objective Measurement Period					3 years
Plan 2000 [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Rights					one-third increments on each of the first three anniversaries of the award date
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Available for Grant \| shares			0		0
Plan 2009 [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Rights					one-third increments on each of the first three anniversaries of the award date
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Available for Grant \| shares			8,680,357		8,680,357
Plan 2009 [Member] \| Restricted Stock and Restricted Stock Units [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 \| shares	37,118	18,498
Contractual Term of Option Granted Prior to 2005 [Member] \| Plan 2000 [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share Based Compensation 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]
Share Based Compensation 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]
Share Based Compensation 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]
Share Based Compensation Contractual Term of Option Granted					10 years