Share based compensation arrangement by share based payment award expiration period

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.

+ References

No definition available.

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- Definition

Share based compensation number of deferrals.

+ References

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

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 718

-SubTopic 10

-Section 50

-Paragraph 2

-Subparagraph (h)(1)(i)

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-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 123R

-Paragraph A240

-Subparagraph g(1)

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

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-Publisher FASB

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-Publisher SEC

-Name Staff Accounting Bulletin (SAB)

-Number Topic 14

-Section F

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-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 123R

-Paragraph 64

-Subparagraph b

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

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-Publisher FASB

-Name Accounting Standards Codification

-Topic 718

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SAB TOPIC 14.F)

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- Definition

Aggregate number of common shares reserved for future issuance.

+ References

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

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 129

-Paragraph 4

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.5-02.29)

-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

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- Definition

Number of common stock held in a trust that has been set up specifically to accumulate stock for the sole purpose of distribution to participating employees but not yet earned.

+ References

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

-Publisher AICPA

-Name Statement of Position (SOP)

-Number 93-6

-Paragraph 14

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 718

-SubTopic 40

-Section 25

-Paragraph 12

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- Definition

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

+ References

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

-Publisher AICPA

-Name Accounting Principles Board Opinion (APB)

-Number 12

-Paragraph 6, 7

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 718

-SubTopic 10

-Section 50

-Paragraph 1

-Subparagraph (b)

-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5047-113901

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-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 123R

-Paragraph 64, 65

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 4: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 710

-SubTopic 10

-Section 30

-Paragraph 1

-URI http://asc.fasb.org/extlink&oid=6409875&loc=d3e20015-108363

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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

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.

+ Details

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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.

+ Details

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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.

+ References

No definition available.

+ Details

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- Definition

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.

+ References

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- Definition

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

+ References

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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.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 718

-SubTopic 10

-Section 50

-Paragraph 2

-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901

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- Definition

The number of shares under options that were cancelled during the reporting period as a result of occurrence of a terminating event specified in contractual agreements pertaining to the stock option plan.

+ References

+ Details

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- Definition

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

+ References

No definition available.

+ Details

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- Definition

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

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.5-02.28,29)

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-Name Accounting Standards Codification

-Topic 718

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-Paragraph 2

-Subparagraph (c)(1)(iv)(2)

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-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 04

-Article 3

Reference 4: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 29, 30

-Article 5

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-Publisher FASB

-Name Accounting Standards Codification

-Topic 505

-SubTopic 10

-Section 50

-Paragraph 2

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-Publisher FASB

-Name Accounting Standards Codification

-Topic 505

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.3-04)

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- Definition

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

+ References

No definition available.

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Share-Based Compensation (Details Textual) (USD $)	3 Months Ended			3 Months Ended
Share-Based Compensation (Details Textual) (USD $)	Mar. 31, 2013	Dec. 31, 2012	Mar. 31, 2013 Restricted Stock Units [Member]	Mar. 31, 2013 Stock options [Member]	Mar. 31, 2013 Restricted Stock [Member] Chief Executive Officer [Member]	Mar. 31, 2013 Time Based Restricted Stock [Member]	Mar. 31, 2012 Time Based Restricted Stock [Member]	Mar. 31, 2013 The 1999 Stock Option Plan [Member]	Mar. 31, 2012 The 1999 Stock Option Plan [Member]	Mar. 31, 2013 The 1999 Stock Option Plan [Member] Maximum [Member]	Mar. 31, 2013 The 1999 Stock Option Plan [Member] Minimum [Member]	Mar. 31, 2013 Long Term Incentive Plan [Member]	Mar. 31, 2012 Long Term Incentive Plan [Member]	Mar. 31, 2013 Performance based restricted stock [Member]	Mar. 31, 2012 Performance based restricted stock [Member]	Mar. 31, 2013 Long term incentive stock option [Member]	Mar. 31, 2012 Long term incentive stock option [Member]	Mar. 31, 2013 Long term incentive stock option [Member] Maximum [Member]	Mar. 31, 2013 Long term incentive stock option [Member] Minimum [Member]	Mar. 31, 2013 Long Term Incentive plan stock option [Member]	Mar. 31, 2012 Long Term Incentive plan stock option [Member]	Mar. 31, 2013 Deferred Compensation Plan [Member] Deferrals
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Common shares reserved for awards			800,000	100,000				300,000				900,000				100,000
Shares remaining to be issued			429,873					0								57,000
Option issued under vest plan								50.00%												50.00%
Option issued under vest plan and granted after 2 years								75.00%												75.00%
Option issued under vest plan and granted after 3 years								100.00%												100.00%
Option issued under vest plan and expire										10 years	5 years							10 years	5 years
Estimated Forfeitures								$ 0
Granted, Number of Shares	0											0								0	0
Stock options exercised	0							0	0			0	0
Compensation expenses						100,000	100,000	0	11,000							45,000	100,000
Weighted-average period to be recognized						2 years 2 months 12 days								2 years 2 months 12 days		1 year 9 months 18 days
LTIP expiry date												Apr. 17, 2018
Share based compensation arrangement share based payment award vesting period					3 years
Compensation cost expected to be recognized over period						600,000								5,500,000
Performance-based compensation expense														500,000	500,000
Excess tax benefits from restricted share awards						0	0							0	0
Stock option forfeitures	0			0								0
Compensation cost related to Nonvested awards not yet recognized																$ 200,000
Number of deferrals																						2
Share Based Compensation (Textual) [Abstract]
Deferred shares and held by the rabbi trust	183,929	184,036