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Represents amount of cash which may be paid for providing service as a chairperson of the nominating and corporate governance committee.

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Amount of cash payment for employee bonuses.

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Represents the amount of employee's contribution, as of balance sheet date, in accordance with the terms and understanding of the deferred compensation arrangement.

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Represents the number of units outstanding, as of balance sheet date, in accordance with the terms and understanding of the deferred compensation arrangement.

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Represents the number of units unvested, as of balance sheet date, in accordance with the terms and understanding of the deferred compensation arrangement.

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Deferred Compensation Arrangement with Individual Units Vested

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Represents amount of cash paid for providing service to board of directors.

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Represents the fair value at grant date for nonvested equity-based awards issued during the period on other than stock (or unit) option plans.

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Represents the percentage of equity-based payment instruments, excluding stock (or unit) options, that vested during the reporting period.

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Represents the fair value at grant date for nonvested equity-based awards to be issued during the period on other than stock (or unit) option plans.

No definition available.

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Represents the minimum percentage of return on equity as a basis of performance-based vesting in equity-based compensation.

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Represents the number of installments in which awards are vested in equity-based compensation.

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Represents the performance period as a basis of performance-based vesting in equity-based compensation.

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Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Grant Date Fair Value

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Represents the expense recognized during the period arising from equity-based compensation arrangements (for example, shares of stock, unit, stock options or other equity instruments) with employees, directors and certain consultants qualifying for treatment as employees.

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Amount of expense recognized from equity-based compensation arrangements (for example, shares of stock, unit, stock options or other equity instruments), awarded to key employees or individuals. Excludes amount related to plans that cover generally all employees (for example, but not limited to, qualified pension plans).

No definition available.

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The compensation expense recognized during the period pertaining to the deferred compensation arrangement.

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Unrecognized cost of unvested share-based compensation awards.

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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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Period which an employee's right to exercise an award is no longer contingent on satisfaction of either a service condition, market condition or a performance condition, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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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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Weighted average remaining contractual term for equity-based awards excluding options, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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The estimated dividend rate (a percentage of the share price) to be paid (expected dividends) to holders of the underlying shares over the option's term.

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The estimated measure of the percentage by which a share price is expected to fluctuate during a period. Volatility also may be defined as a probability-weighted measure of the dispersion of returns about the mean. The volatility of a share price is the standard deviation of the continuously compounded rates of return on the share over a specified period. That is the same as the standard deviation of the differences in the natural logarithms of the stock prices plus dividends, if any, over the period.

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The risk-free interest rate assumption that is used in valuing an option on its own shares.

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

No definition available.

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Percentage of vesting of share-based compensation awards.

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Expected term of share-based compensation awards, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
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Aggregate value of stock related to Restricted Stock Awards issued during the period.

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