Related party transactions - Proportionate share of income (loss) and changes in stockholder's equity from EVERTEC (Details) - EVERTEC Inc. - USD ($) $ in Thousands	3 Months Ended
Mar. 31, 2021	Mar. 31, 2020
Related Party Transaction [Line Items]
Share of income from investment	$ 5,734	$ 3,602
Share of other changes in stockholders equity	178	785
Share of changes in equity recognized in income	$ 5,912	$ 4,387

Amount of income (loss) for proportionate share of equity method investee's income (loss).

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