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Deposits - Additional Information (Details) - USD ($) $ in Millions | Dec. 31, 2020 | Dec. 31, 2019
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Schedule of Investments [Line Items] |  |
Aggregate amounts of deposits reclassified as loan balances | $ 2.3 | $ 2.4
Brokered deposits | $ 5,300.0 | $ 5,200.0
Brokered deposits, weighted average interest rates | 0.08% | 1.94%
Money Market |  |
Schedule of Investments [Line Items] |  |
Brokered deposits | $ 3,000.0 | $ 1,500.0
Interest Bearing Checking Accounts |  |
Schedule of Investments [Line Items] |  |
Brokered deposits | 1,300.0 | 1,200.0
Certificates of Deposits |  |
Schedule of Investments [Line Items] |  |
Brokered deposits | $ 1,000.0 | $ 2,500.0

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- Definition Amount of deposits held by the entity that have been reclassified as loan balances receivable, for example, but not limited to, overdrafts receivable. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 405 -Section 50 -Paragraph 1 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=116652737&loc=d3e64164-112818 + Details
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- Definition Amount of interest-bearing domestic third-party deposits placed by or through the assistance of a deposit broker, also known as brokered deposit liabilities. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03.12) -URI http://asc.fasb.org/extlink&oid=120398452&loc=d3e534808-122878 + Details
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