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Commitments and Contingencies - Additional Information (Detail) (KBCD Partnership [Member], Scenario, Forecast [Member])
In Thousands, unless otherwise specified
Jun. 30, 2014
USD ($)
Jun. 30, 2014
EUR (€)
Schedule of Equity Method Investments [Line Items]    
Maximum limited partnership investment $ 50,000 € 38,000
Indirect ownership interest from limited partnership 21.00% 21.00%