Allocated share based compensation expenses description.

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- Definition

Cash received for the exercise of stock option awards.

+ References

No definition available.

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- Definition

Nonvested awards compensation not yet recognized stock options.

+ References

No definition available.

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- Definition

Excess tax benefits from restricted share awards.

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No definition available.

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Excess tax benefits from share-based awards description.

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- Definition

Intrinsic value of stock option awards.

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No definition available.

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- Definition

Intrinsic value of stock option awards.

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- Definition

Intrinsic value of stock options under stock option plan.

+ References

No definition available.

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- Definition

Proceeds from stock options exercised.

+ References

No definition available.

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Share based compensation arrangement by share based payment award expiration period

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No definition available.

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- Definition

Share based compensation arrangement by share based payment award options vested and expected to vest percentage after one year.

+ References

No definition available.

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- Definition

Share based compensation arrangement by share based payment award options vested and expected to vest percentage after three year.

+ References

No definition available.

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- Definition

Share based compensation arrangement by share based payment award options vested and expected to vest percentage after two year.

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No definition available.

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- Definition

Tax benefits from stock options exercised.

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No definition available.

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- Definition

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.

+ References

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- Definition

Aggregate number of common shares reserved for future issuance.

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-Name Statement of Financial Accounting Standard (FAS)

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Number of common shares reserved for future issuance related to deferred compensation arrangements with individuals.

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No definition available.

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- Definition

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

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-Name Accounting Principles Board Opinion (APB)

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-Paragraph 6, 7

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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.

+ References

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- Definition

Aggregate unrecognized cost of share-based awards, other than options, made to employees under an equity-based compensation plan, that have yet to vest.

+ References

No definition available.

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- Definition

Aggregate unrecognized cost of option awards made to employees under a stock option plan or plans, that have yet to vest.

+ References

No definition available.

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- Definition

The aggregate cash inflow comprised of the amount received from (a) employees to acquire the entity's shares under incentive awards, including stock option exercises and restricted stock arrangements, and (b) the excess tax benefit arising from such transactions.

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No definition available.

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- Definition

The cash inflow associated with the amount received from holders exercising their stock options. This item inherently excludes any excess tax benefit, which the entity may have realized and reported separately.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

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-Paragraph A240

-Subparagraph i

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-Name Accounting Standards Codification

-Glossary Financing Activities

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- Definition

Date the equity-based award expires, in CCYY-MM-DD format.

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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

The total accumulated difference between fair values of underlying shares on dates of exercise and exercise price on options which were exercised (or share units converted) into shares during the reporting period under the plan.

+ References

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- Definition

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

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No definition available.

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

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Value of stock (or other type of equity) forfeited during the period.

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- Definition

Tax benefits realized from the exercise of stock options resulting in reductions in the entity's income taxes, which increases net cash provided by operating activities.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 718

-SubTopic 20

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Share Based Compensation (Details Textual) (USD $)	3 Months Ended		6 Months Ended
Share Based Compensation (Details Textual) (USD $)	Jun. 30, 2012	Jun. 30, 2011	Jun. 30, 2012	Jun. 30, 2011
Share Based Compensation (Textual)
Shares to be issued under the Stock Option Plan			400
Granted, Number of Shares			0
LTIP expiry date			Apr. 17, 2018
Performance-based compensation expense	$ 700,000	$ 600,000	$ 1,200,000	$ 1,100,000
Compensation cost expected to be recognized over period	4,000,000		4,000,000
Excess tax benefits from restricted share awards			0
Excess tax benefits from restricted share awards description				Less than 0.1
Deferred shares and held by the rabbi trust	109,390		109,390
Maximum [Member]
Share Based Compensation (Textual)
Share based compensation arrangement by share based payment award expiration period	10 years		10 years
Minimum [Member]
Share Based Compensation (Textual)
Share based compensation arrangement by share based payment award expiration period	5 years		5 years
Restricted Stock Units [Member]
Share Based Compensation (Textual)
Common shares reserved for awards	800,000		800,000
Stock Options [Member]
Share Based Compensation (Textual)
Compensation cost related to Nonvested awards not yet recognized	400,000		400,000
Weighted-average period			2 years 6 months
Common shares reserved for awards	100,000		100,000
Restricted Stock [Member]
Share Based Compensation (Textual)
Shares remaining to be issued	483,319		483,319
Time Based Restricted Stock [Member]
Share Based Compensation (Textual)
Compensation expenses	100,000	100,000	100,000	100,000
The 1999 Stock Option Plan [Member]
Share Based Compensation (Textual)
Shares to be issued under the Stock Option Plan			400	19,725
Option issued under vest plan			50.00%
Option issued under vest plan and granted after 2 years			75.00%
Option issued under vest plan and granted after 3 years			100.00%
Estimated Forfeitures			0
Granted, Number of Shares			0	0
Total intrinsic value of stock options under Stock Option Plan				100,000
Total intrinsic value of stock options under stock option plan description			less than $.1 million
Cash received for the exercise of Stock Option Awards			less than $.1 million
Cash received from Stock Option Exercise				800,000
Excess tax benefits				100,000
Excess tax benefits description			Less than 0.1
Compensation expenses description	Less than 0.1	Less than 0.1	Less than 0.1	Less than 0.1
Compensation cost related to nonvested awards not yet recognized description	Less than 0.1		Less than 0.1
Weighted-average period			3 months 18 days
Common shares reserved for awards	300,000		300,000
Shares remaining to be issued	0		0
The 1999 Stock Option Plan [Member] \| Maximum [Member]
Share Based Compensation (Textual)
Share based compensation arrangement by share based payment award expiration period	10 years		10 years
The 1999 Stock Option Plan [Member] \| Minimum [Member]
Share Based Compensation (Textual)
Share based compensation arrangement by share based payment award expiration period	5 years		5 years
Long Term Incentive Plan [Member]
Share Based Compensation (Textual)
Shares to be issued under the Stock Option Plan			1,250	3,000
Option issued under vest plan			50.00%
Option issued under vest plan and granted after 2 years			75.00%
Option issued under vest plan and granted after 3 years			100.00%
Granted, Number of Shares			8,000	0
Compensation expenses description		less than $.1 million
Compensation expenses	100,000		200,000	100,000
Weighted-average period			2 years
Common shares reserved for awards	900,000		900,000
Shares remaining to be issued	57,000		57,000
Compensation cost expected to be recognized over period	400,000		400,000
Total intrinsic value of stock option awards				100,000
Total intrinsic value of stock option awards description			less than $.1 million
Cash received for exercise of Stock Option Awards			$ 100,000	$ 100,000
Excess tax benefits from share-based awards			Less than 0.1	Less than 0.1
Long Term Incentive Plan [Member] \| Stock Options [Member]
Share Based Compensation (Textual)
Common shares reserved for awards	100,000		100,000