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FINANCIAL DEBT - IFC and IIC loans (Details) $ in Millions, $ in Millions	Sep. 22, 2020 USD ($)	Apr. 25, 2019 USD ($) installment	Mar. 24, 2019 installment	Mar. 18, 2019 USD ($) installment	Mar. 04, 2019 USD ($) installment	Apr. 07, 2017 USD ($) installment	Oct. 05, 2016 USD ($) installment	Dec. 31, 2020 USD ($)	Dec. 31, 2020 ARS ($)	Dec. 31, 2019 ARS ($)
Current and non-current financial debt
Financial debt | $									$ 200,200	$ 206,928
Bank loans - IFC Loan
Current and non-current financial debt
Principal amount | $		$ 20.0			$ 450.0
Half-yearly installments | installment		8	8
Gross proceeds | $				$ 290.0
Loan proceeds | $				285.5
Debt issuance cost | $				4.5
Loss on financial debt renegotiation | $	$ 525.0
Debt amortization deferred, Percentage	85.00%
Percentage of deb prepaid	15.00%
Financial debt								$ 487.3	$ 41,006
Bank loans - IFC Loan | LIBOR
Current and non-current financial debt
Applicable margin		4.85%
Bank loans - IFC Loan | Tranche A
Current and non-current financial debt
Half-yearly installments | installment					8
Bank loans - IFC Loan | Tranche A | LIBOR
Current and non-current financial debt
Applicable margin					4.85%
Bank loans - IFC Loan | Tranche B-1
Current and non-current financial debt
Half-yearly installments | installment					6
Bank loans - IFC Loan | Tranche B-1 | LIBOR
Current and non-current financial debt
Applicable margin					4.60%
Bank loans - IFC Loan | Tranche B-2
Current and non-current financial debt
Half-yearly installments | installment					8
Bank loans - IFC Loan | Tranche B-2 | LIBOR
Current and non-current financial debt
Applicable margin					4.85%
Bank loans - IFC Loan | Tranche B-3
Current and non-current financial debt
Half-yearly installments | installment					6
Bank loans - IFC Loan | Tranche B-3 | LIBOR
Current and non-current financial debt
Applicable margin					4.60%
Bank loans - IFC Loan | Tranche B-4
Current and non-current financial debt
Half-yearly installments | installment					8
Bank loans - IFC Loan | Tranche B-4 | LIBOR
Current and non-current financial debt
Applicable margin					4.85%
Bank loans - IFC Loan | Tranche One
Current and non-current financial debt
Principal amount | $				$ 160.0
Half-yearly installments | installment				8
Bank loans - IFC Loan | Tranche One | LIBOR
Current and non-current financial debt
Applicable margin				4.85%
Bank loans - IFC Loan | Tranche Two
Current and non-current financial debt
Principal amount | $				$ 130.0
Half-yearly installments | installment				6
Bank loans - IFC Loan | Tranche Two | LIBOR
Current and non-current financial debt
Applicable margin				4.60%
Bank loans - IFC Loan | Minimum
Current and non-current financial debt
Deferred debt amortization period	24 months
Bank loans - IFC Loan | Maximum
Current and non-current financial debt
Deferred debt amortization period	48 months
Bank loans - IFC Loan | Personal
Current and non-current financial debt
Principal amount | $							$ 400.0
Borrowing term							6 years
Half-yearly installments | installment							8
Bank loans - IFC Loan | Personal | LIBOR
Current and non-current financial debt
Applicable margin							4.00%
IIC Loan | Personal
Current and non-current financial debt
Principal amount | $						$ 100.0
Half-yearly installments | installment						8
IIC Loan | Personal | LIBOR
Current and non-current financial debt
Applicable margin						4.00%

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