Condensed Consolidated Financial Statements - Components of Other Current Assets and Other Current Liabilities (Detail) - USD ($) $ in Thousands	Mar. 31, 2017	Dec. 31, 2016
Other Current Assets and Liabilities [Line Items]
Other	$ 9,977	$ 8,755
Total other current assets	21,086	33,578
Settlement payables	10,932	24,016
Accrued interest	2,429	7,356
Vendor financed licenses	5,637	9,213
Royalties payable	6,885	7,197
Other	28,270	31,059
Total other current liabilities	54,153	78,841
Settlement deposits [Member]
Other Current Assets and Liabilities [Line Items]
Other assets settlement	7,226	10,496
Settlement receivables [Member]
Other Current Assets and Liabilities [Line Items]
Other assets settlement	$ 3,883	$ 14,327