FINANCIAL RISK MANAGEMENT - Financial Assets Subject to Offsetting (Details) - PEN (S/) S/ in Thousands |
Dec. 31, 2019 |
Dec. 31, 2018 |
| Disclosure of financial risks management [Line Items] |
|
|
| Gross amounts recognized financial assets |
S/ 8,538,612
|
S/ 9,850,775
|
| Gross amounts of recognized financial liabilities and offset in the consolidated statement of financial positions |
0
|
0
|
| Net of financial assets presented in the consolidated statements of financial position |
8,538,612
|
9,850,775
|
| Related amounts not offset in the consolidated statement of financial position Financial Instruments |
(3,483,068)
|
(3,203,097)
|
| Related amounts not offset in the consolidated statement of financial position Cash collateral received |
(3,037,898)
|
(3,348,855)
|
| Net amount |
2,017,646
|
3,298,823
|
| Payables from derivatives [Member] |
|
|
| Disclosure of financial risks management [Line Items] |
|
|
| Gross amounts recognized financial assets |
1,092,107
|
766,317
|
| Gross amounts of recognized financial liabilities and offset in the consolidated statement of financial positions |
0
|
0
|
| Net of financial assets presented in the consolidated statements of financial position |
1,092,107
|
766,317
|
| Related amounts not offset in the consolidated statement of financial position Financial Instruments |
(122,557)
|
(44,159)
|
| Related amounts not offset in the consolidated statement of financial position Cash collateral received |
(144,175)
|
(28,906)
|
| Net amount |
825,375
|
693,252
|
| Available-for-sale and held-to-maturity investments pledged as collateral [Member] |
|
|
| Disclosure of financial risks management [Line Items] |
|
|
| Gross amounts recognized financial assets |
|
5,001,516
|
| Gross amounts of recognized financial liabilities and offset in the consolidated statement of financial positions |
|
0
|
| Net of financial assets presented in the consolidated statements of financial position |
|
5,001,516
|
| Related amounts not offset in the consolidated statement of financial position Financial Instruments |
|
(3,123,930)
|
| Related amounts not offset in the consolidated statement of financial position Cash collateral received |
|
0
|
| Net amount |
|
1,877,586
|
| Cash collateral, reverse repurchase agreements and securities borrowings [Member] |
|
|
| Disclosure of financial risks management [Line Items] |
|
|
| Gross amounts recognized financial assets |
4,288,524
|
4,082,942
|
| Gross amounts of recognized financial liabilities and offset in the consolidated statement of financial positions |
0
|
0
|
| Net of financial assets presented in the consolidated statements of financial position |
4,288,524
|
4,082,942
|
| Related amounts not offset in the consolidated statement of financial position Financial Instruments |
(151,538)
|
(35,008)
|
| Related amounts not offset in the consolidated statement of financial position Cash collateral received |
(2,893,723)
|
(3,319,949)
|
| Net amount |
1,243,263
|
S/ 727,985
|
| Investments At Fair Value Through Other Comprehensive Income And Amortized Cost Pledged As Collateral [Member] |
|
|
| Disclosure of financial risks management [Line Items] |
|
|
| Gross amounts recognized financial assets |
3,157,981
|
|
| Gross amounts of recognized financial liabilities and offset in the consolidated statement of financial positions |
0
|
|
| Net of financial assets presented in the consolidated statements of financial position |
3,157,981
|
|
| Related amounts not offset in the consolidated statement of financial position Financial Instruments |
(3,208,973)
|
|
| Related amounts not offset in the consolidated statement of financial position Cash collateral received |
0
|
|
| Net amount |
S/ 50,992
|
|