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Investment in Non-Consolidated Joint Venture - Summarized Balance Sheet Information for Joint Venture (Detail) (Joint Venture [Member], USD $) In Thousands, unless otherwise specified	Sep. 30, 2014	Dec. 31, 2013
Joint Venture [Member]
Schedule Of Results Related To Equity Accounted Investees [Line Items]
Current assets	$ 21,366	$ 21,488
Non-current assets	20,176	19,106
Total assets	41,542	40,594
Current liabilities	12,387	13,477
Total liabilities	$ 12,387	$ 13,477

The amount of assets reported by an equity method investment of the entity.

The amount of current assets reported by an equity method investment of the entity.

The amount of current liabilities reported by an equity method investment of the entity.

The amount of liabilities reported by an equity method investment of the entity.

The amount of noncurrent assets reported by an equity method investment of the entity.