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Changes to Financing Obligation to Acquire Non-controlling Interest (Detail) (Obligation for AWS call/put option, USD $)
In Thousands, unless otherwise specified |
12 Months Ended |
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Dec. 31, 2013
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Obligation for AWS call/put option
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| Schedule Of Reconciliation Of Changes In Fair Value Of Assets And Liabilities [Line Items] | |
| Balance at beginning of period | $ 9,021 |
| Accretion | 1,083 |
| Balance at end of period | $ 10,104 |