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LOANS HELD FOR INVESTMENT - Breakdown Between Accrual and Nonaccrual Status of TDRs (Parenthetical) (Detail) - USD ($) $ in Millions | Sep. 30, 2021 | Dec. 31, 2020
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TDR [Member] |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |
Loans forced to nonaccrual status | $ 13.6 | $ 5.9

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- Definition Amount represents nonaccrual loans that are performing under the terms of the restructuring agreement but are reported in nonaccrual status until the restructured loans meet the specific requirements. + References No definition available. + Details
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Balance Type: | debit
Period Type: | instant

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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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- Details
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Balance Type: |
Period Type: |