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Income Taxes - Reconciliation of Unrecognized Tax Benefits (Detail) (USD $)
In Thousands, unless otherwise specified |
12 Months Ended |
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Dec. 31, 2012
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| Reconciliation Of Unrecognized Tax Benefits [Line Items] | |
| Beginning balance | $ (15,492) |
| Additions based on tax positions taken during a prior period | (1,495) |
| Reductions based on tax positions taken during a prior period | 4,102 |
| Reductions related to a lapse of applicable statute of limitations | 2,855 |
| Ending balance | $ (10,030) |
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- Details
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- Definition
The gross amount of unrecognized tax benefits pertaining to uncertain tax positions taken in tax returns as of the balance sheet date. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
The gross amount of decreases in unrecognized tax benefits resulting from tax positions taken in prior period tax returns, excluding amounts pertaining to examined tax returns. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
The gross amount of increases in unrecognized tax benefits resulting from tax positions taken in prior period tax returns, excluding amounts pertaining to examined tax returns. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
The gross amount of decreases in unrecognized tax benefits resulting from lapses of the applicable statutes of limitations. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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