Related Party Transactions - Summary of Balances of Transactions with Related Parties (Detail) - USD ($) $ in Thousands		Jun. 30, 2015	Dec. 31, 2014
Related Party Transactions [Abstract]
Cash and restricted cash deposits in affiliated bank		$ 17,648	$ 13,566
Indemnification assets from Popular reimbursement
Accounts receivable	[1]	141	1,428
Other due/to from affiliate
Accounts receivable		21,472	17,006
Prepaid expenses and other assets		1,355	1,141
Accounts payable	[2]	5,010	5,260
Unearned income		9,569	8,154
Other long-term liabilities	[2]	$ 45	$ 45

[1] Recorded in connection with reimbursements from Popular regarding certain software license fees.

[2] Includes an account payable of $0.2 million and a long-term liability of $45,000 for both June 30, 2015 and December 31, 2014, related to the unvested portion of stock options as a result of the equitable adjustment approved by our Board of Directors on December 18, 2012 that will be payable to executive officers and employees upon vesting of stock options.