Accounts Receivable, Net (Detail) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2013	Dec. 31, 2012
Receivables [Abstract]
Trade	$ 46,200	$ 43,882
Due from affiliates, net	12,030	17,976
Settlement assets	11,157	17,703
Other	69	44
Less: allowance for doubtful accounts	(1,022)	(984)
Accounts receivable, net	$ 68,434	$ 78,621