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v3.21.1

Loans (Details Textual) | 12 Months Ended
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Dec. 31, 2020 | Dec. 31, 2019
Fixed interest rate [member] |  |
Disclosure of detailed information about financial instruments [line items] |  |
Percentage of loan portfolio at fixed interest rate maturing in not more than one hundred and eight days | 41.00% | 74.00%
Annual interest rate [Member] | Minimum |  |
Disclosure of detailed information about financial instruments [line items] |  |
Interest rate fluctuations of loans at amortized cost, financial assets | 0.43% | 1.20%
Annual interest rate [Member] | Maximum |  |
Disclosure of detailed information about financial instruments [line items] |  |
Interest rate fluctuations of loans at amortized cost, financial assets | 9.70% | 13.93%

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