SIGNIFICANT ACCOUNTING POLICIES - Additional Information (Details)
S/ in Thousands, $ in Millions |
12 Months Ended |
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Dec. 31, 2019
PEN (S/)
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Dec. 31, 2018
PEN (S/)
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Dec. 31, 2017
PEN (S/)
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Jan. 01, 2019
USD ($)
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Jan. 01, 2019
PEN (S/)
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Jan. 01, 2018
PEN (S/)
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Dec. 31, 2016
PEN (S/)
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| Disclosure Of Significant Accounting Policies [Line Items] |
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| Assets |
S/ 187,876,691
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S/ 177,263,201
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S/ 170,472,000
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| Liabilities |
161,130,381
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152,997,125
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148,219,000
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| Equity |
26,746,310
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24,266,076
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22,253,703
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S/ 20,116,511
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| Profit (loss) |
4,352,331
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4,071,305
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4,181,648
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| Additional allowance recognised in profit or loss, allowance account for credit losses of financial assets |
114,200
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S/ 2,057,478
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| Unrealised Gains Losses On reclassified Cash Flow Hedges Net Of Tax |
314,400
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| Investments in equity instruments designated at fair value through other comprehensive income |
48,800
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S/ 653,539
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| Right-of-use assets |
839,086
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0
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S/ 855,500
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| Lease liabilities |
S/ 847,504
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0
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S/ 852,800
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| Deferred charges prepayments | $ |
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$ 2.7
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| Bottom of range [member] |
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| Disclosure Of Significant Accounting Policies [Line Items] |
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| Useful life measured as period of time, intangible assets other than goodwill |
3 years
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| Top of range [member] |
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| Disclosure Of Significant Accounting Policies [Line Items] |
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| Useful life measured as period of time, intangible assets other than goodwill |
5 years
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| Investment property [member] |
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| Disclosure Of Significant Accounting Policies [Line Items] |
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| Useful life measured as period of time, intangible assets other than goodwill |
33 years
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| Mibanco [Member] |
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| Disclosure Of Significant Accounting Policies [Line Items] |
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| Assets |
S/ 13,741,700
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13,220,300
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| Liabilities |
11,655,700
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11,321,800
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| Equity |
2,086,000
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1,898,500
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| Profit (loss) |
401,000
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462,100
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| Banco De Credito De Bolivia [Member] |
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| Disclosure Of Significant Accounting Policies [Line Items] |
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| Assets |
10,480,900
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9,956,900
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| Liabilities |
9,743,900
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9,265,800
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| Equity |
737,000
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691,100
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| Profit (loss) |
S/ 79,000
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S/ 78,300
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