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Amounts Recognized Within Assets and Liabilities Based on Right of Offset (Detail) (USD $)
In Thousands, unless otherwise specified |
Mar. 31, 2013
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Dec. 31, 2012
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|---|---|---|
| Derivative [Line Items] | ||
| Gross Amounts | $ 23,899 | $ 32,989 |
| Gross Amounts Offset | (3,871) | (3,711) |
| Total Net Amounts | 20,028 | 29,278 |
| Gross Amounts Not Offset | (3,464) | (11,685) |
| Net Amounts | 16,564 | 17,593 |
| Gross Amounts | 50,272 | 39,486 |
| Gross Amounts Offset | (928) | (2,538) |
| Total Net Amounts | 49,344 | 36,948 |
| Gross Amounts Not Offset | (46,403) | (36,710) |
| Net Amounts | $ 2,941 | $ 238 |
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- Definition
Fair value of the gross assets less the gross liabilities of a derivative asset or group of derivative assets. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
Fair values as of the balance sheet date of all assets resulting from contracts that meet the criteria of being accounted for as derivative instruments, net of the effects of master netting arrangements. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
Fair value of derivative asset, presented on a gross basis even when the derivative instrument is subject to master netting arrangements and qualifies for net presentation in the statement of financial position. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
The amount as of the balance sheet date of the fair value of derivative assets that in accordance with the entity's accounting policy was not offset against an obligation to return cash collateral under a master netting arrangement. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
The amount as of the balance sheet date of the fair value of derivative assets that in accordance with the entity's accounting policy was offset against an obligation to return cash collateral under a master netting arrangement. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Fair value of derivative liability, presented on a gross basis even when the derivative instrument is subject to master netting arrangements and qualifies for net presentation in the statement of financial position. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
The amount as of the balance sheet date of the fair value of derivative liabilities that in accordance with the entity's accounting policy was not offset against the right to reclaim cash collateral under a master netting arrangement. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
The amount as of the balance sheet date of the fair value of derivative liabilities that in accordance with the entity's accounting policy were offset against the right to reclaim cash collateral under a master netting arrangement. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Fair values as of the balance sheet date of all liabilities resulting from contracts that meet the criteria of being accounted for as derivative instruments, net of the effects of master netting arrangements. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
Fair value of the gross liabilities less the gross assets of a derivative liability or group of derivative liabilities. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Details
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