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LOANS HELD FOR INVESTMENT - Loan Modifications are Considered TDRs (Detail) $ in Thousands | 12 Months Ended
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Dec. 31, 2022 USD ($) numberofcontracts | Dec. 31, 2021 USD ($) numberofcontracts | Dec. 31, 2020 USD ($) numberofcontracts
Financing Receivable Modifications [Line Items] |  |  |
Post-Modification Outstanding Recorded Investment | $ 23,616 | $ 34,216 | $ 36,319
Residential Portfolio Segment [Member] | Conventional Loan [Member] |  |  |
Financing Receivable Modifications [Line Items] |  |  |
Post-Modification Outstanding Recorded Investment | 7,100 | 7,594 | 8,307
Commercial Portfolio Segment [Member] | Commercial And Industrial Sector [Member] |  |  |
Financing Receivable Modifications [Line Items] |  |  |
Post-Modification Outstanding Recorded Investment | 4,928 | 9,908 | 22,524
Commercial Portfolio Segment [Member] | Mortgage Receivable [Member] |  |  |
Financing Receivable Modifications [Line Items] |  |  |
Post-Modification Outstanding Recorded Investment | 5,890 | 11,223 | 824
Construction loans [Member] | Commercial Portfolio Segment [Member] |  |  |
Financing Receivable Modifications [Line Items] |  |  |
Post-Modification Outstanding Recorded Investment | 0 | 0 | 0
Auto loans [Member] | Consumer Portfolio Segment [Member] |  |  |
Financing Receivable Modifications [Line Items] |  |  |
Post-Modification Outstanding Recorded Investment | 3,454 | 2,598 | 2,623
Finance Leases [Member] | Consumer Portfolio Segment [Member] |  |  |
Financing Receivable Modifications [Line Items] |  |  |
Post-Modification Outstanding Recorded Investment | 591 | 697 | 408
Personal Loans [Member] | Consumer Portfolio Segment [Member] |  |  |
Financing Receivable Modifications [Line Items] |  |  |
Post-Modification Outstanding Recorded Investment | 394 | 504 | 305
Other Loans [Member] | Consumer Portfolio Segment [Member] |  |  |
Financing Receivable Modifications [Line Items] |  |  |
Post-Modification Outstanding Recorded Investment | 443 | 266 | 545
Credit Card Receivables [Member] | Consumer Portfolio Segment [Member] |  |  |
Financing Receivable Modifications [Line Items] |  |  |
Post-Modification Outstanding Recorded Investment | $ 816 | $ 1,426 | $ 783
TDR [Member] |  |  |
Financing Receivable Modifications [Line Items] |  |  |
Number of contracts | numberofcontracts | 600 | 612 | 648
Pre-modification Outstanding Recorded Investment | $ 23,829 | $ 34,485 | $ 37,140
Post-Modification Outstanding Recorded Investment | $ 23,616 | $ 34,216 | $ 36,319
TDR [Member] | Residential Portfolio Segment [Member] | Conventional Loan [Member] |  |  |
Financing Receivable Modifications [Line Items] |  |  |
Number of contracts | numberofcontracts | 68 | 66 | 103
Pre-modification Outstanding Recorded Investment | $ 7,165 | $ 7,687 | $ 9,027
Post-Modification Outstanding Recorded Investment | $ 7,100 | $ 7,594 | $ 8,307
TDR [Member] | Commercial Portfolio Segment [Member] | Commercial And Industrial Sector [Member] |  |  |
Financing Receivable Modifications [Line Items] |  |  |
Number of contracts | numberofcontracts | 17 | 6 | 14
Pre-modification Outstanding Recorded Investment | $ 5,156 | $ 10,031 | $ 22,544
Post-Modification Outstanding Recorded Investment | $ 4,928 | $ 9,908 | $ 22,524
TDR [Member] | Commercial Portfolio Segment [Member] | Mortgage Receivable [Member] |  |  |
Financing Receivable Modifications [Line Items] |  |  |
Number of contracts | numberofcontracts | 3 | 7 | 5
Pre-modification Outstanding Recorded Investment | $ 5,897 | $ 11,285 | $ 824
Post-Modification Outstanding Recorded Investment | $ 5,890 | $ 11,223 | $ 824
TDR [Member] | Construction loans [Member] | Commercial Portfolio Segment [Member] |  |  |
Financing Receivable Modifications [Line Items] |  |  |
Number of contracts | numberofcontracts | 0 | 0 | 0
Pre-modification Outstanding Recorded Investment | $ 0 | $ 0 | $ 0
Post-Modification Outstanding Recorded Investment | $ 0 | $ 0 | $ 0
TDR [Member] | Auto loans [Member] | Consumer Portfolio Segment [Member] |  |  |
Financing Receivable Modifications [Line Items] |  |  |
Number of contracts | numberofcontracts | 168 | 134 | 163
Pre-modification Outstanding Recorded Investment | $ 3,404 | $ 2,601 | $ 2,635
Post-Modification Outstanding Recorded Investment | $ 3,454 | $ 2,598 | $ 2,623
TDR [Member] | Finance Leases [Member] | Consumer Portfolio Segment [Member] |  |  |
Financing Receivable Modifications [Line Items] |  |  |
Number of contracts | numberofcontracts | 33 | 42 | 29
Pre-modification Outstanding Recorded Investment | $ 592 | $ 692 | $ 408
Post-Modification Outstanding Recorded Investment | $ 591 | $ 697 | $ 408
TDR [Member] | Personal Loans [Member] | Consumer Portfolio Segment [Member] |  |  |
Financing Receivable Modifications [Line Items] |  |  |
Number of contracts | numberofcontracts | 26 | 46 | 30
Pre-modification Outstanding Recorded Investment | $ 366 | $ 497 | $ 306
Post-Modification Outstanding Recorded Investment | $ 394 | $ 504 | $ 305
TDR [Member] | Other Loans [Member] | Consumer Portfolio Segment [Member] |  |  |
Financing Receivable Modifications [Line Items] |  |  |
Number of contracts | numberofcontracts | 170 | 246 | 159
Pre-modification Outstanding Recorded Investment | $ 815 | $ 1,426 | $ 783
Post-Modification Outstanding Recorded Investment | $ 816 | $ 1,426 | $ 783
TDR [Member] | Credit Card Receivables [Member] | Consumer Portfolio Segment [Member] |  |  |
Financing Receivable Modifications [Line Items] |  |  |
Number of contracts | numberofcontracts | 115 | 65 | 145
Pre-modification Outstanding Recorded Investment | $ 434 | $ 266 | $ 613
Post-Modification Outstanding Recorded Investment | $ 443 | $ 266 | $ 545

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