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Reconciliation of Assets Measured at Fair Value on Recurring Basis Using Significant Unobservable Inputs Level Three (Detail) (Corporate Securities [Member], USD $)
In Thousands, unless otherwise specified |
9 Months Ended | 12 Months Ended |
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Sep. 30, 2012
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Dec. 31, 2011
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Corporate Securities [Member]
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| Fair Value Assets Measured On Recurring Basis Unobservable Input Reconciliation [Line Items] | ||
| Balance of recurring Level 3 assets at January 1 | $ 1,060 | $ 1,060 |
| Purchases | 0 | 0 |
| Sales | 0 | 0 |
| Issuances | 0 | 0 |
| Settlements | 0 | 0 |
| Transfers into Level 3 | 0 | 0 |
| Transfers out of Level 3 | 0 | 0 |
| Balance of recurring Level 3 assets at December 31 | $ 1,060 | $ 1,060 |
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- Details
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- Definition
Issues that have taken place during the period in relation to assets measured at fair value and categorized within Level 3 of the fair value hierarchy. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
Purchases that have taken place during the period in relation to assets measured at fair value and categorized within Level 3 of the fair value hierarchy. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
Sales that have taken place during the period in relation to assets measured at fair value and categorized within Level 3 of the fair value hierarchy. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
Settlements that have taken place during the period in relation to assets measured at fair value and categorized within Level 3 of the fair value hierarchy. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
Transfers into assets measured at fair value and categorized within Level 3 of the fair value hierarchy that have taken place during the period. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
Transfers out of assets measured at fair value and categorized within Level 3 of the fair value hierarchy that have taken place during the period. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
This element represents an asset measured at fair value using significant unobservable inputs (Level 3) which is required for reconciliation purposes of beginning and ending balances. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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