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Accounts Receivable, Net - Additional Information (Detail) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2014	Dec. 31, 2013
Receivables [Abstract]
Due from unconsolidated affiliates	$ 3,765us-gaap_DueFromAffiliateCurrent	$ 3,192us-gaap_DueFromAffiliateCurrent

- Definition

Amount of receivables due from an entity that is affiliated with the reporting entity by means of direct or indirect ownership, due within 1 year (or 1 business cycle).

+ References+ Details