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Financial Risk (Details 21) - USD ($) $ in Thousands | Dec. 31, 2020 | Dec. 31, 2019
--- | --- | ---
Financial assets available to support future funding |  |
Guaranteed | $ 29,254 | $ 58,983
Available as collateral | 6,129,305 | 7,021,096
Cash and due from banks |  |
Financial assets available to support future funding |  |
Guaranteed | 17,804 | 18,452
Available as collateral | 846,008 | 1,159,718
Notional of investment securities |  |
Financial assets available to support future funding |  |
Guaranteed | 11,450 | 40,531
Available as collateral | 371,900 | 38,045
Loans at amortized cost |  |
Financial assets available to support future funding |  |
Available as collateral | $ 4,911,397 | $ 5,823,333

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Balance Type: | debit
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- Definition The amount of availability of bank guaranteed financial assets. + References No definition available. + Details
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Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

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- Definition Line items represent concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes of the table. + References No definition available. + Details
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- Details
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- Details
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- Details
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