Related party transactions - Impact on the results of operations of transactions between the Corporation and EVERTEC (Details) - EVERTEC Inc. - USD ($) $ in Thousands	3 Months Ended
Mar. 31, 2021	Mar. 31, 2020
Related Party Transaction
Related Party Transaction, Amounts of Transaction	$ (52,108)	$ (48,146)
Interest Expense
Related Party Transaction
Interest Expense Related Party	(89)	(67)
Other service fees
Related Party Transaction
Related Party Transaction Revenues From Transactions With Related Party	6,454	5,489
Net occupancy
Related Party Transaction
Related Party Transaction Revenues From Transactions With Related Party	1,547	1,767
Professional fees
Related Party Transaction
Expenses from Transactions with related party	(60,141)	(55,596)
Other operating expenses
Related Party Transaction
Related Party Transaction Revenues From Transactions With Related Party	$ 121	$ 261

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.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 850
-SubTopic 10
-Section 50
-Paragraph 1
-Subparagraph (c)
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-Paragraph 3
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- Definition

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

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 850
-SubTopic 10
-Section 50
-Paragraph 1
-Subparagraph (c)
-URI http://asc.fasb.org/extlink&oid=6457730&loc=d3e39549-107864

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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.

+ References

No definition available.

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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.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 946
-SubTopic 220
-Section S99
-Paragraph 1
-Subparagraph (SX 210.6-07.1(c))
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