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Fair Value Measurements - Fair Value Measurement Inputs and Valuation Techniques (Details) - IRLCs - Not Designated as Hedging Instrument | Sep. 30, 2020 | Dec. 31, 2019
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Minimum |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |
Fair value rates, IRLCs | 0.41 | 0.56
Maximum |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |
Fair value rates, IRLCs | 1 | 1
Weighted average |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |
Fair value rates, IRLCs | 0.67 | 0.78

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- Definition Value of input used to measure derivative asset. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (bbb)(2) -URI http://asc.fasb.org/extlink&oid=117815213&loc=d3e19207-110258 + Details
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
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