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v3.20.4

Deposits - Average Interest Rate (Details) | Dec. 31, 2020 | Dec. 31, 2019 | Dec. 31, 2018
--- | --- | --- | ---
Average interest rate: |  |  |
Deposits | 2.21% | 2.46% | 1.91%
Interest-bearing brokered money market deposits | 0.61% | 2.28% | 2.03%

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- Definition Percentage of interest-bearing domestic money market demand account deposit liabilities to total deposit liabilities. + References No definition available. + Details
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Namespace Prefix: | us-gaap_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

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- Definition Weighted average interest rate calculated at point in time for domestic deposit liability. + References No definition available. + Details
Name: | us-gaap_WeightedAverageRateDomesticDeposit
Namespace Prefix: | us-gaap_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

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- References No definition available. + Details
Name: | us-gaap_WeightedAverageRateDomesticDepositLiabilitiesAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration