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v3.20.1

FAIR VALUE MEASUREMENTS - Information about Significant Unobservable Inputs Used for Recurring Fair Value Measurements for Level 3 MSRs (Detail) - Fair Value, Measurements, Recurring - Level 3 - Mortgage Servicing Rights | 3 Months Ended | 12 Months Ended
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Mar. 31, 2020 USD ($) | Dec. 31, 2019 USD ($)
Minimum |  |
Fair Value Inputs, Assets, Quantitative Information [Line Items] (Deprecated 2018-01-31) |  |
Unobservable input, cost to service | $ 81 | $ 81
Maximum |  |
Fair Value Inputs, Assets, Quantitative Information [Line Items] (Deprecated 2018-01-31) |  |
Unobservable input, cost to service | 134 | 135
Weighted Average |  |
Fair Value Inputs, Assets, Quantitative Information [Line Items] (Deprecated 2018-01-31) |  |
Unobservable input, cost to service | $ 108 | $ 107
Discount Rate | Minimum |  |
Fair Value Inputs, Assets, Quantitative Information [Line Items] (Deprecated 2018-01-31) |  |
MSR measurement inputs | 0.090 | 0.090
Discount Rate | Maximum |  |
Fair Value Inputs, Assets, Quantitative Information [Line Items] (Deprecated 2018-01-31) |  |
MSR measurement inputs | 0.120 | 0.120
Discount Rate | Weighted Average |  |
Fair Value Inputs, Assets, Quantitative Information [Line Items] (Deprecated 2018-01-31) |  |
MSR measurement inputs | 0.093 | 0.093
Prepayment Rate | Minimum |  |
Fair Value Inputs, Assets, Quantitative Information [Line Items] (Deprecated 2018-01-31) |  |
MSR measurement inputs | 0.101 | 0.063
Prepayment Rate | Maximum |  |
Fair Value Inputs, Assets, Quantitative Information [Line Items] (Deprecated 2018-01-31) |  |
MSR measurement inputs | 0.396 | 0.266
Prepayment Rate | Weighted Average |  |
Fair Value Inputs, Assets, Quantitative Information [Line Items] (Deprecated 2018-01-31) |  |
MSR measurement inputs | 0.249 | 0.137
Delinquency Rate | Minimum |  |
Fair Value Inputs, Assets, Quantitative Information [Line Items] (Deprecated 2018-01-31) |  |
MSR measurement inputs | 0.000 | 0.000
Delinquency Rate | Maximum |  |
Fair Value Inputs, Assets, Quantitative Information [Line Items] (Deprecated 2018-01-31) |  |
MSR measurement inputs | 0.040 | 0.040
Delinquency Rate | Weighted Average |  |
Fair Value Inputs, Assets, Quantitative Information [Line Items] (Deprecated 2018-01-31) |  |
MSR measurement inputs | 0.021 | 0.022

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- Definition Fair value inputs cost to service. + References No definition available. + 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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- Definition Value of input used to measure servicing 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=99377789&loc=d3e19207-110258 + Details
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Period Type: | instant

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- Details
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