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Company's contribution of eligible compensation for those employed after December 31, 2000.

No definition available.

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Company's contribution of eligible compensation for employees employed at December 31, 2000.

No definition available.

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Defined contribution plan employers contribution maximum.

No definition available.

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Data Type:	xbrli:monetaryItemType
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Period Type:	duration

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Data Type:	xbrli:stringItemType
Balance Type:	na
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The amount of the cost recognized during the period for defined contribution plans.

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 715

-SubTopic 70

-Section 50

-Paragraph 1

-URI http://asc.fasb.org/extlink&oid=6414718&loc=d3e28014-114942

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Percentage of employees' gross pay for which the employer contributes a matching contribution to a defined contribution plan.

No definition available.

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Percentage employer matches of the employee's percentage contribution matched.

No definition available.

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Data Type:	num:percentItemType
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Maximum amount the employee may contribute to a defined contribution plan.

No definition available.

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Maximum percentage of employee gross pay the employee may contribute to a defined contribution plan.

No definition available.

Name:	us-gaap_DefinedContributionPlanMaximumAnnualContributionsPerEmployeePercent
Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
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