Proportionate share of income (loss) from Evertec minority interest (Detail) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2012	Sep. 30, 2011	Sep. 30, 2012	Sep. 30, 2011
Related Party Transaction [Line Items]
Income Loss From Equity Method Investments			$ (9,788)	$ (11,250)
E V E R T E C Inc [Member]
Related Party Transaction [Line Items]
Income Loss From Equity Method Investments	29	(1,426)	1,714	11,069
Intercompany Income (Loss) Eliminations	(12,793)	(12,288)	(39,067)	(38,747)
Income (Loss) From Equity Method Investments Net Of Intercompany Income (Loss) Eliminations	$ (12,764)	$ (13,714)	$ (37,353)	$ (27,678)