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Deposits - Additional Information (Details) - USD ($) $ in Millions | Sep. 30, 2020 | Dec. 31, 2019
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Banking and Thrift, Other Disclosures [Abstract] |  |
Time deposits, $250,000 and over | $ 544.3 | $ 150.6

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- Definition Amount of time deposit liabilities, including certificates of deposit, in denominations that meet or exceed the Federal Deposit Insurance Corporation (FDIC) insurance limit. + 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 -URI http://asc.fasb.org/extlink&oid=116652737&loc=d3e64164-112818 + Details
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