Personnel Benefits (Details) - ARS ($) $ in Thousands	12 Months Ended
Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Classes of employee benefits expense [abstract]
Salaries	$ 12,951,727	$ 13,364,230	$ 13,036,484
Social Security Charges Expense	3,535,606	3,901,108	3,851,123
Other short term personnel benefits	2,778,210	4,028,583	3,424,584
Personnel compensations and rewards	436,790	719,905	1,836,160
Personnel services	433,919	496,513	478,813
Fees to Bank Directors and Supervisory Committee	60,188	22,247	41,895
Termination benefits	82,785	4,106	33,314
Other long term benefits	99,910	161,733	99,522
Total Personnel Benefits	$ 20,379,135	$ 22,698,425	$ 22,801,895

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Personnel compensation and benefits.

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The expense of all forms of consideration given by an entity in exchange for a service rendered by employees or for the termination of employment.

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The amount of employee expenses that the entity does not separately disclose in the same statement or note.

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The amount of long-term employee benefits other than post-employment benefits and termination benefits. Such benefits may include long-term paid absences, jubilee or other long-service benefits, long-term disability benefits, long-term profit-sharing and bonuses and long-term deferred remuneration. [Refer: Employee benefits expense]

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The amount of expense from employee benefits (other than termination benefits), which are expected to be settled wholly within twelve months after the end of the annual reporting period in which the employees render the related services, that the entity does not separately disclose in the same statement or note. [Refer: Employee benefits expense]

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A class of employee benefits expense that represents social security contributions. [Refer: Employee benefits expense]

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The amount of expense in relation to termination benefits. Termination benefits are employee benefits provided in exchange for the termination of an employee's employment as a result of either: (a) an entity's decision to terminate an employee's employment before the normal retirement date; or (b) an employee's decision to accept an offer of benefits in exchange for the termination of employment. [Refer: Employee benefits expense]

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A class of employee benefits expense that represents wages and salaries. [Refer: Employee benefits expense]

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