Related Party Transactions (Detail)	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Resolute Investments, Ltd. [Member]
Related Party Transaction [Line Items]
Share of Resolute in outstanding common stock	37.10%	39.10%	34.80%

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

No definition available.

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