COMPOSITION OF THE MAIN ITEMS OF THE CONSOLIDATED STATEMENT OF FINANCIAL POSITION AND CONSOLIDATED INCOME STATEMENT - Income from insurance activities (Details) - ARS ($) $ in Thousands	12 Months Ended
Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
COMPOSITION OF THE MAIN ITEMS OF THE CONSOLIDATED STATEMENT OF FINANCIAL POSITION AND CONSOLIDATED INCOME STATEMENT
Accrued premiums	$ 2,188,006	$ 2,263,710	$ 2,438,417
Accrued losses	(346,018)	(510,785)	(623,792)
Production expenses	(448,632)	(447,403)	(430,916)
Total	$ 1,393,356	$ 1,305,522	$ 1,383,709

The amount of income arising from insurance contracts. [Refer: Types of insurance contracts [member]]

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Note Expiry date 2021-01-01
-Name IFRS
-Number 4
-IssueDate 2019-01-01
-Paragraph 37
-Subparagraph b
-URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=4&code=ifrs-tx-2019-en-b&anchor=para_37_b&doctype=Standard&book=b
-URIDate 2019-03-27

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Namespace Prefix:	ifrs-full_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration