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FAIR VALUE - Summary of Assets Measured at Fair Value on a Recurring Basis (Detail) - USD ($) $ in Thousands | Dec. 31, 2019 | Dec. 31, 2018
--- | --- | ---
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
AFS securities | $ 490,386 | $ 465,844
States and political subdivisions |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
AFS securities | 87,863 | 145,004
GSE residential CMOs |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
AFS securities | 68,154 | 108,064
Non-agency CMOs |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
AFS securities | 17,087 |
Private label residential CMOs |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
AFS securities |  | 143
Interest Rate Lock Commitments |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Interest rate lock commitments on residential mortgages | 103 |
Level 3 | Interest Rate Lock Commitments |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Interest rate lock commitments on residential mortgages | 103 |
Fair Value, Measurements, Recurring |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Loans held for sale | 9,364 |
Totals | 499,853 | 465,844
Fair Value, Measurements, Recurring | States and political subdivisions |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
AFS securities | 87,863 | 145,004
Fair Value, Measurements, Recurring | GSE residential CMOs |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
AFS securities | 68,154 | 108,064
Fair Value, Measurements, Recurring | Non-agency CMOs |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
AFS securities | 17,087 |
Fair Value, Measurements, Recurring | Private label residential CMOs |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
AFS securities |  | 143
Fair Value, Measurements, Recurring | Private label commercial CMOs |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
AFS securities | 86,629 | 75,045
Fair Value, Measurements, Recurring | Asset-backed and other |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
AFS securities | 230,653 | 137,588
Fair Value, Measurements, Recurring | Level 1 |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Loans held for sale | 0 |
Totals | 0 | 0
Fair Value, Measurements, Recurring | Level 1 | States and political subdivisions |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
AFS securities | 0 | 0
Fair Value, Measurements, Recurring | Level 1 | GSE residential CMOs |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
AFS securities | 0 | 0
Fair Value, Measurements, Recurring | Level 1 | Non-agency CMOs |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
AFS securities | 0 |
Fair Value, Measurements, Recurring | Level 1 | Private label residential CMOs |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
AFS securities |  | 0
Fair Value, Measurements, Recurring | Level 1 | Private label commercial CMOs |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
AFS securities | 0 | 0
Fair Value, Measurements, Recurring | Level 1 | Asset-backed and other |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
AFS securities | 0 | 0
Fair Value, Measurements, Recurring | Level 1 | Interest Rate Lock Commitments |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Interest rate lock commitments on residential mortgages | 0 |
Fair Value, Measurements, Recurring | Level 2 |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Loans held for sale | 9,364 |
Totals | 475,471 | 458,635
Fair Value, Measurements, Recurring | Level 2 | States and political subdivisions |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
AFS securities | 87,863 | 145,004
Fair Value, Measurements, Recurring | Level 2 | GSE residential CMOs |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
AFS securities | 68,154 | 108,064
Fair Value, Measurements, Recurring | Level 2 | Non-agency CMOs |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
AFS securities | 0 |
Fair Value, Measurements, Recurring | Level 2 | Private label residential CMOs |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
AFS securities |  | 143
Fair Value, Measurements, Recurring | Level 2 | Private label commercial CMOs |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
AFS securities | 79,437 | 67,836
Fair Value, Measurements, Recurring | Level 2 | Asset-backed and other |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
AFS securities | 230,653 | 137,588
Fair Value, Measurements, Recurring | Level 2 | Interest Rate Lock Commitments |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Interest rate lock commitments on residential mortgages | 0 |
Fair Value, Measurements, Recurring | Level 3 |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Loans held for sale | 0 |
Totals | 24,382 | 7,209
Fair Value, Measurements, Recurring | Level 3 | States and political subdivisions |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
AFS securities | 0 | 0
Fair Value, Measurements, Recurring | Level 3 | GSE residential CMOs |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
AFS securities | 0 | 0
Fair Value, Measurements, Recurring | Level 3 | Non-agency CMOs |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
AFS securities | 17,087 |
Fair Value, Measurements, Recurring | Level 3 | Private label residential CMOs |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
AFS securities |  | 0
Fair Value, Measurements, Recurring | Level 3 | Private label commercial CMOs |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
AFS securities | 7,192 | 7,209
Fair Value, Measurements, Recurring | Level 3 | Asset-backed and other |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
AFS securities | $ 0 | $ 0

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