Related party transactions - Impact on the results of operations of transactions between the Corporation and EVERTEC (Details) - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Related Party Transaction
Related Party Transaction, Amounts of Transaction	$ (3,182)	$ (8,360)
EVERTEC Inc.
Related Party Transaction
Related Party Transaction, Amounts of Transaction	(211,616)	(192,671)	$ (182,338)
EVERTEC Inc. \| Interest Expense
Related Party Transaction
Interest Expense Related Party	(388)	(315)	(106)
EVERTEC Inc. \| ATH and credit cards interchange income from services
Related Party Transaction
Related Party Transaction Revenues From Transactions With Related Party	27,384	22,406	29,224
EVERTEC Inc. \| Rental income charged
Related Party Transaction
Related Party Transaction Revenues From Transactions With Related Party	6,593	7,305	7,418
EVERTEC Inc. \| Processing fees on services provided
Related Party Transaction
Expenses from Transactions with related party	(245,945)	(223,069)	(219,992)
EVERTEC Inc. \| Other services provided
Related Party Transaction
Related Party Transaction Revenues From Transactions With Related Party	$ 740	$ 1,002	$ 1,118

Amount of interest expense incurred on a debt or other obligation to related party.

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- Definition

Amount of transactions with related party during the financial reporting period.

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Expenses recognized resulting from transactions (excluding transactions that are eliminated in consolidated or combined financial statements) with related party.

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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Amount of revenue, fees and commissions earned from transactions between (a) a parent company and its subsidiaries; (b) subsidiaries of a common parent; (c) an entity and trusts for the benefit of employees, for example, but not limited to, pension and profit-sharing trusts that are managed by or under the trusteeship of the entity's management; (d) an entity and its principal, owners, management, or members of their immediate families; and (e) affiliates.

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