Note Related party transactions (Financial Condition accounts outstanding with EVERTEC) (Detail) - EVERTEC Inc. - USD ($) $ in Thousands	Mar. 31, 2018	Dec. 31, 2017
Related Party Transaction [Line Items]
Accounts receivables (Other assets)	$ 6,376	$ 6,830
Deposits	(24,249)	(22,284)
Accounts payable (Other liabilities)	(4,619)	(2,040)
Total	$ (22,492)	$ (17,494)