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Investment Property (Details Textual) - CLP ($)
$ in Thousands
12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Dec. 31, 2018
Statement [Line Items]      
Direct operating expense from investment property $ 69,533 $ 67,096 $ 90,312
Investment property $ 7,705,942 8,313,274 8,715,956
Investment Property Fair Value Percentage 96.00%    
Difference in percentage between market value and book value of the investment property 100.00%    
At fair value [member]      
Statement [Line Items]      
Investment property $ 11,071,904    
CHILE      
Statement [Line Items]      
Rental income from investment property 5,868 3,825 158,235
ARGENTINA      
Statement [Line Items]      
Rental income from investment property $ 99,840 $ 104,334 $ 97,312