XML 179 R164.htm IDEA: XBRL DOCUMENT v3.19.1
NET PREMIUMS EARNED (Details Textual) - PEN (S/)
S/ in Thousands
 12 Months Ended
Dec. 31, 2018
Dec. 31, 2017
Dec. 31, 2016
Revenue from insurance contracts issued, without reduction for reinsurance held [1] S/ 2,598,434 S/ 2,308,143 S/ 2,302,701
Medical Assistance Services [Member] | Health insurance contract [Member]      
Revenue from insurance contracts issued, without reduction for reinsurance held S/ 420,000 S/ 386,300 S/ 371,200
Percentage of entity's revenue 91.84% 88.83% 89.38%
[1] This item includes earned premiums, reinsurance premiums accepted and coinsurance premiums accepted and received.