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USD ($) / shares
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USD ($) / shares
USD ($)
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1/1/2008 - 12/31/2008
USD ($) / shares
USD ($)
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{dei_LegalEntityAxis} : Minimum [Member]
1/1/2010 - 12/31/2010
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1/1/2010 - 12/31/2010
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1/1/2010 - 12/31/2010
USD ($)
USD ($) / shares
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1/1/2009 - 12/31/2009
USD ($) / shares
USD ($)
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1/1/2008 - 12/31/2008
USD ($) / shares
USD ($)
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-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
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alsefalsefalseEPSus-types:perShareItemTypedecimalThe weighted average fair value at grant for nonvested share-based awards issued during the period on other than stock option plans (for example, phantom stock plan, stock appreciation rights plan, performance target plan).Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 123R
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-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 123R
-Paragraph A240
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{dei_LegalEntityAxis} : Minimum [Member]
1/1/2010 - 12/31/2010
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{dei_LegalEntityAxis} : Maximum [Member]
1/1/2010 - 12/31/2010
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