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The number of directors that participated in the plan during the period.

No definition available.

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Number of stock-based compensation plan under which grants were made, including historical plans, and remained outstanding.

No definition available.

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Number Of Stock Based Compensation Plan Under Which Grants Were Not Made

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The number of stock units earned during the period.

No definition available.

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Share-based Compensation Arrangement by Share-based Payment Award, Plan authorization period

No definition available.

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

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Amount of commitment made to pay deferred cash remuneration.

No definition available.

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

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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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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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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.

No definition available.

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

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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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Name:	us-gaap_AwardTypeAxis=us-gaap_StockCompensationPlanMember
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