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Investment Property (Details Textual) - CLP ($)
$ in Thousands
12 Months Ended
Dec. 31, 2017
Dec. 31, 2016
Dec. 31, 2015
Direct operating expense from investment property $ 60,452 $ 71,090 $ 120,340
Investment property 5,825,359 6,253,827 6,838,002
Investment Property Fair Value Percentage 89    
At fair value [member]      
Investment property 16,904,331    
Chile [Member]      
Rental income from investment property 193,839 251,545 172,243
Argentina [Member]      
Rental income from investment property $ 135,064 $ 131,389 $ 127,093