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Subsequent Events (Details Textual) - CLP ($)
$ in Millions
 1 Months Ended
Nov. 27, 2018
Jan. 21, 2020
Feb. 04, 2020
Jan. 22, 2020
Dec. 31, 2019
Dec. 31, 2018
Dec. 31, 2017
Disclosure of financial liabilities [line items]              
Notion amount         $ 377,131,597 $ 241,467,084 $ 177,224,139
Non-adjusting events after reporting period [member]              
Disclosure of financial liabilities [line items]              
Bond issuance and repurchase, Shares 280            
Non-adjusting events after reporting period [member] | USD [Member]              
Disclosure of financial liabilities [line items]              
Notion amount   $ 750          
Bond issuance and repurchase term   5 years          
Non-adjusting events after reporting period [member] | USD [Member] | Nexus [Member]              
Disclosure of financial liabilities [line items]              
Notion amount       $ 79,577      
Non-adjusting events after reporting period [member] | Senior Bonds [Member] | Unidad De Fomento [Member]              
Disclosure of financial liabilities [line items]              
Notion amount     $ 2,000,000        
Non-adjusting events after reporting period [member] | Subordinated bond [Member] | USD [Member]              
Disclosure of financial liabilities [line items]              
Notion amount   $ 200