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Debt And Commitments - Schedule of Company's Long-term Debt (Parenthetical) (Detail) | Dec. 31, 2012 | Dec. 31, 2011
--- | --- | ---
Bank Term Debt [Member] |  |
Weighted average interest rate of bank term debt | 8.00% | 9.40%
Government Loans [Member] |  |
Weighted average interest rate of bank term debt | 5.40% | 5.80%

X
- Definition Reflects the calculation as of the balance sheet date of the average interest rate weighted by the amount of long-term debt outstanding by type or by instrument at that time. + References No definition available. + Details
Name: | us-gaap_LongtermDebtWeightedAverageInterestRate
Namespace Prefix: | us-gaap_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant