Quarterly report pursuant to Section 13 or 15(d)

Amortizable Intangible Assets, Estimate Amortization Expense (Detail)

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Amortizable Intangible Assets, Estimate Amortization Expense (Detail) (USD $)
In Thousands, unless otherwise specified
Dec. 31, 2012
Expected Amortization Expense [Line Items]  
2013 (Apr - Dec) $ 2,040
2014 2,410
2015 1,732
2016 956
2017 582
Thereafter 1,071
Total $ 8,791