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Accounts Receivable, net - Net Accounts Receivables (Detail) (USD $)
In Thousands, unless otherwise specified
Dec. 31, 2013
Dec. 31, 2012
Receivables [Abstract]    
Trade receivables $ 77,899 $ 72,505
Insurance claims 1,865 10,059
Other 1,633 873
Accounts receivable, gross 81,397 83,437
Allowance for doubtful accounts (827) (636)
Accounts receivable, net $ 80,570 $ 82,801