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FAIR VALUE - Summary of Assets Measured at Fair Value on a Recurring Basis (Detail) - USD ($) $ in Thousands | Dec. 31, 2020 | Dec. 31, 2019
--- | --- | ---
Investment securities: |  |
Securities available for sale (amortized cost of $460,999 and $491,492 at December 31, 2020 and 2019, respectively) | $ 466,465 | $ 490,885
States and political subdivisions |  |
Investment securities: |  |
Securities available for sale (amortized cost of $460,999 and $491,492 at December 31, 2020 and 2019, respectively) | 112,670 | 87,863
GSE residential CMOs |  |
Investment securities: |  |
Securities available for sale (amortized cost of $460,999 and $491,492 at December 31, 2020 and 2019, respectively) | 58,011 | 68,154
Non-agency CMOs |  |
Investment securities: |  |
Securities available for sale (amortized cost of $460,999 and $491,492 at December 31, 2020 and 2019, respectively) | 16,918 | 17,087
Other |  |
Investment securities: |  |
Securities available for sale (amortized cost of $460,999 and $491,492 at December 31, 2020 and 2019, respectively) | 371 | 637
Interest Rate lock commitments with customers |  |
Investment securities: |  |
Interest rate lock commitments on residential mortgages | 673 | 103
Fair Value, Measurements, Recurring |  |
Investment securities: |  |
Loans held for sale | 11,734 | 9,364
Totals | 479,562 | 500,352
Fair Value, Measurements, Recurring | Interest rate swaps |  |
Investment securities: |  |
Interest rate swaps | 690 |
Fair Value, Measurements, Recurring | States and political subdivisions |  |
Investment securities: |  |
Securities available for sale (amortized cost of $460,999 and $491,492 at December 31, 2020 and 2019, respectively) | 112,670 | 87,863
Fair Value, Measurements, Recurring | GSE residential MBSs |  |
Investment securities: |  |
Securities available for sale (amortized cost of $460,999 and $491,492 at December 31, 2020 and 2019, respectively) | 4,293 |
Fair Value, Measurements, Recurring | GSE residential CMOs |  |
Investment securities: |  |
Securities available for sale (amortized cost of $460,999 and $491,492 at December 31, 2020 and 2019, respectively) | 58,011 | 68,154
Fair Value, Measurements, Recurring | Non-agency CMOs |  |
Investment securities: |  |
Securities available for sale (amortized cost of $460,999 and $491,492 at December 31, 2020 and 2019, respectively) | 16,918 | 17,087
Fair Value, Measurements, Recurring | Private label commercial CMOs |  |
Investment securities: |  |
Securities available for sale (amortized cost of $460,999 and $491,492 at December 31, 2020 and 2019, respectively) | 62,236 | 86,629
Fair Value, Measurements, Recurring | Asset-backed |  |
Investment securities: |  |
Securities available for sale (amortized cost of $460,999 and $491,492 at December 31, 2020 and 2019, respectively) | 211,966 | 230,515
Fair Value, Measurements, Recurring | Other |  |
Investment securities: |  |
Securities available for sale (amortized cost of $460,999 and $491,492 at December 31, 2020 and 2019, respectively) | 371 | 637
Fair Value, Measurements, Recurring | Interest Rate lock commitments with customers |  |
Investment securities: |  |
Interest rate lock commitments on residential mortgages | 673 | 103
Fair Value, Measurements, Recurring | Level 1 |  |
Investment securities: |  |
Loans held for sale | 0 | 0
Totals | 371 | 637
Fair Value, Measurements, Recurring | Level 1 | Interest rate swaps |  |
Investment securities: |  |
Interest rate swaps | 0 |
Fair Value, Measurements, Recurring | Level 1 | States and political subdivisions |  |
Investment securities: |  |
Securities available for sale (amortized cost of $460,999 and $491,492 at December 31, 2020 and 2019, respectively) | 0 | 0
Fair Value, Measurements, Recurring | Level 1 | GSE residential MBSs |  |
Investment securities: |  |
Securities available for sale (amortized cost of $460,999 and $491,492 at December 31, 2020 and 2019, respectively) | 0 |
Fair Value, Measurements, Recurring | Level 1 | GSE residential CMOs |  |
Investment securities: |  |
Securities available for sale (amortized cost of $460,999 and $491,492 at December 31, 2020 and 2019, respectively) | 0 | 0
Fair Value, Measurements, Recurring | Level 1 | Non-agency CMOs |  |
Investment securities: |  |
Securities available for sale (amortized cost of $460,999 and $491,492 at December 31, 2020 and 2019, respectively) | 0 | 0
Fair Value, Measurements, Recurring | Level 1 | Private label commercial CMOs |  |
Investment securities: |  |
Securities available for sale (amortized cost of $460,999 and $491,492 at December 31, 2020 and 2019, respectively) | 0 | 0
Fair Value, Measurements, Recurring | Level 1 | Asset-backed |  |
Investment securities: |  |
Securities available for sale (amortized cost of $460,999 and $491,492 at December 31, 2020 and 2019, respectively) | 0 | 0
Fair Value, Measurements, Recurring | Level 1 | Other |  |
Investment securities: |  |
Securities available for sale (amortized cost of $460,999 and $491,492 at December 31, 2020 and 2019, respectively) | 371 | 637
Fair Value, Measurements, Recurring | Level 1 | Interest Rate lock commitments with customers |  |
Investment securities: |  |
Interest rate lock commitments on residential mortgages | 0 | 0
Fair Value, Measurements, Recurring | Level 2 |  |
Investment securities: |  |
Loans held for sale | 11,734 | 9,364
Totals | 447,015 | 475,333
Fair Value, Measurements, Recurring | Level 2 | Interest rate swaps |  |
Investment securities: |  |
Interest rate swaps | 690 |
Fair Value, Measurements, Recurring | Level 2 | States and political subdivisions |  |
Investment securities: |  |
Securities available for sale (amortized cost of $460,999 and $491,492 at December 31, 2020 and 2019, respectively) | 103,591 | 87,863
Fair Value, Measurements, Recurring | Level 2 | GSE residential MBSs |  |
Investment securities: |  |
Securities available for sale (amortized cost of $460,999 and $491,492 at December 31, 2020 and 2019, respectively) | 4,293 |
Fair Value, Measurements, Recurring | Level 2 | GSE residential CMOs |  |
Investment securities: |  |
Securities available for sale (amortized cost of $460,999 and $491,492 at December 31, 2020 and 2019, respectively) | 58,011 | 68,154
Fair Value, Measurements, Recurring | Level 2 | Non-agency CMOs |  |
Investment securities: |  |
Securities available for sale (amortized cost of $460,999 and $491,492 at December 31, 2020 and 2019, respectively) | 0 | 0
Fair Value, Measurements, Recurring | Level 2 | Private label commercial CMOs |  |
Investment securities: |  |
Securities available for sale (amortized cost of $460,999 and $491,492 at December 31, 2020 and 2019, respectively) | 56,730 | 79,437
Fair Value, Measurements, Recurring | Level 2 | Asset-backed |  |
Investment securities: |  |
Securities available for sale (amortized cost of $460,999 and $491,492 at December 31, 2020 and 2019, respectively) | 211,966 | 230,515
Fair Value, Measurements, Recurring | Level 2 | Other |  |
Investment securities: |  |
Securities available for sale (amortized cost of $460,999 and $491,492 at December 31, 2020 and 2019, respectively) | 0 | 0
Fair Value, Measurements, Recurring | Level 2 | Interest Rate lock commitments with customers |  |
Investment securities: |  |
Interest rate lock commitments on residential mortgages | 0 | 0
Fair Value, Measurements, Recurring | Level 3 |  |
Investment securities: |  |
Loans held for sale | 0 | 0
Totals | 32,176 | 24,382
Fair Value, Measurements, Recurring | Level 3 | Interest rate swaps |  |
Investment securities: |  |
Interest rate swaps | 0 |
Fair Value, Measurements, Recurring | Level 3 | States and political subdivisions |  |
Investment securities: |  |
Securities available for sale (amortized cost of $460,999 and $491,492 at December 31, 2020 and 2019, respectively) | 9,079 | 0
Fair Value, Measurements, Recurring | Level 3 | GSE residential MBSs |  |
Investment securities: |  |
Securities available for sale (amortized cost of $460,999 and $491,492 at December 31, 2020 and 2019, respectively) | 0 |
Fair Value, Measurements, Recurring | Level 3 | GSE residential CMOs |  |
Investment securities: |  |
Securities available for sale (amortized cost of $460,999 and $491,492 at December 31, 2020 and 2019, respectively) | 0 | 0
Fair Value, Measurements, Recurring | Level 3 | Non-agency CMOs |  |
Investment securities: |  |
Securities available for sale (amortized cost of $460,999 and $491,492 at December 31, 2020 and 2019, respectively) | 16,918 | 17,087
Fair Value, Measurements, Recurring | Level 3 | Private label commercial CMOs |  |
Investment securities: |  |
Securities available for sale (amortized cost of $460,999 and $491,492 at December 31, 2020 and 2019, respectively) | 5,506 | 7,192
Fair Value, Measurements, Recurring | Level 3 | Asset-backed |  |
Investment securities: |  |
Securities available for sale (amortized cost of $460,999 and $491,492 at December 31, 2020 and 2019, respectively) | 0 | 0
Fair Value, Measurements, Recurring | Level 3 | Other |  |
Investment securities: |  |
Securities available for sale (amortized cost of $460,999 and $491,492 at December 31, 2020 and 2019, respectively) | 0 | 0
Fair Value, Measurements, Recurring | Level 3 | Interest Rate lock commitments with customers |  |
Investment securities: |  |
Interest rate lock commitments on residential mortgages | $ 673 | $ 103

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