Related party transactions - Impact on the results of operations of transactions between the Corporation and EVERTEC (Details) - EVERTEC Inc. $ in Thousands	9 Months Ended
Sep. 30, 2022 USD ($)
Related Party Transaction [Line Items]
Related Party Transaction, Amounts of Transaction	$ (111,315)
Interest Expense on deposits
Related Party Transaction [Line Items]
Interest Expense Related Party	(267)
ATH and credit cards interchange income from services
Related Party Transaction [Line Items]
Related Party Transaction Revenues From Transactions With Related Party	13,955
Rental income charged
Related Party Transaction [Line Items]
Related Party Transaction Revenues From Transactions With Related Party	3,258
Processing fees on services provided
Related Party Transaction [Line Items]
Expenses from Transactions with related party	(128,681)
Other services provided
Related Party Transaction [Line Items]
Related Party Transaction Revenues From Transactions With Related Party	$ 420

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

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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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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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