Related party transactions - Financial Condition accounts outstanding with EVERTEC (Details) - EVERTEC Inc. - USD ($) $ in Thousands	Sep. 30, 2021	Dec. 31, 2020
Related Party Transaction [Line Items]
Accounts receivables (Other assets)	$ 7,641	$ 5,678
Deposits	(144,130)	(125,361)
Accounts payable (Other liabilities)	(2,738)	(2,395)
Net total	$ (139,227)	$ (122,078)

For an unclassified balance sheet, amount of receivables arising from transactions with related parties.

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Name:	us-gaap_AccountsReceivableRelatedParties
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant