INVESTMENTS - Amortized cost investments (Details ) - PEN (S/)
S/ in Thousands |
Dec. 31, 2019 |
Dec. 31, 2018 |
| Disclosure of Investments [Line Items] |
|
|
| Financial assets held to maturity before accrued interest |
S/ 78,180
|
S/ 4,069,015
|
| Financial assets held to maturity, accrued interest |
|
87,357
|
| Held-to-maturity investments |
3,477,313
|
4,156,372
|
| Provision for credit losses |
(267)
|
(1,534)
|
| Total investments at amortized cost, net |
3,477,046
|
4,154,838
|
| Financial assets held to maturity at fair value before accrued interest |
78,180
|
4,068,100
|
| Financial assets held to maturity at fair value, accrued interest |
|
87,357
|
| Total financial assets held to maturity at fair value |
3,896,994
|
4,155,457
|
| Provision for credit losses at fair value |
(267)
|
(1,534)
|
| Total investments, net at fair value |
3,896,727
|
4,153,923
|
| Peruvian sovereign bonds [Member] |
|
|
| Disclosure of Investments [Line Items] |
|
|
| Financial assets held to maturity before accrued interest |
3,277,667
|
3,167,666
|
| Financial assets held to maturity at fair value before accrued interest |
3,694,631
|
3,169,229
|
| Bonds of foreign governements [Member] |
|
|
| Disclosure of Investments [Line Items] |
|
|
| Financial assets held to maturity before accrued interest |
21,168
|
347,824
|
| Financial assets held to maturity at fair value before accrued interest |
21,168
|
347,502
|
| Peruvian treasury bonds [Member] |
|
|
| Disclosure of Investments [Line Items] |
|
|
| Financial assets held to maturity before accrued interest |
|
215,769
|
| Financial assets held to maturity at fair value before accrued interest |
|
215,787
|
| Corporate bonds |
|
|
| Disclosure of Investments [Line Items] |
|
|
| Financial assets held to maturity before accrued interest |
3,399,133
|
220,583
|
| Financial assets held to maturity at fair value before accrued interest |
3,818,814
|
218,373
|
| Certificates of payment on work progress [Member] |
|
|
| Disclosure of Investments [Line Items] |
|
|
| Financial assets held to maturity before accrued interest |
100,298
|
117,173
|
| Financial assets held to maturity at fair value before accrued interest |
S/ 103,015
|
S/ 117,209
|