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Other Debt - Future Minimum Repayments (Detail) (USD $)
In Thousands, unless otherwise specified
Jun. 30, 2014
Debt Disclosure [Abstract]  
July 1, 2014 - December 31, 2014 $ 54,339us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalRemainderOfFiscalYear
2015 11,862us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo
2016 12,516us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree
2017 7,680us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour
2018 13,267us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive
Thereafter 50,140us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFive
Long-term debt $ 149,804us-gaap_LongTermDebt