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Loans (Details) - USD ($) | 12 Months Ended |
--- | --- | ---
Dec. 31, 2020 | Dec. 31, 2019 | Dec. 31, 2018
Disclosure of detailed information about financial instruments [line items] |  |  |
Loans at amortized cost |  | $ 5,892,997,000 |
Unearned interest and deferred fees | $ 0 |  |
Loans at fair value through profit or loss (1) | 4,949,000 | 6,492,000 | $ 0
Sales | (5,750,000) | 0 |
Loans |  |  |
Disclosure of detailed information about financial instruments [line items] |  |  |
Loans at amortized cost | 4,911,397,000 | 5,892,997,000 |
Interest receivable | 27,350,000 | 41,757,000 |
Loss allowances | (41,165,000) | (99,307,000) |
Unearned interest and deferred fees | (5,884,000) | (12,114,000) |
Loans at amortized cost, net | 4,891,698,000 | 5,823,333,000 |
Loans at fair value through profit or loss (1) | 4,949,000 | 0 |
Loans, net | 4,896,647,000 | 5,823,333,000 |
At fair value through profit or loss |  |  |
Disclosure of detailed information about financial instruments [line items] |  |  |
Loans at amortized cost | 4,916,346,000 |  |
At fair value through profit or loss | Level 3 |  |  |
Disclosure of detailed information about financial instruments [line items] |  |  |
Loans at fair value through profit or loss (1) | 4,900,000 |  |
Sales | 5,800,000 |  |
At fair value through profit or loss | Loans |  |  |
Disclosure of detailed information about financial instruments [line items] |  |  |
Loans at fair value through profit or loss (1) | 4,949,000 | 0 | $ 0
Sales | $ 0 | $ 0 |

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