v2.4.1.9
Contingencies - Additional Information (Detail) (USD $)
In Thousands, unless otherwise specified
3 Months Ended
Mar. 31, 2015
Commitments And Contingencies Disclosure [Abstract]  
Loss contingency accrual $ 495,000us-gaap_LossContingencyLossInPeriod
Litigation settlement amount 450,000us-gaap_LitigationSettlementAmount
Legal fees $ 45,000us-gaap_LegalFees