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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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- Definition

Fair value portion of probable future economic benefits obtained or controlled by an entity as a result of past transactions or events.

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Amount of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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Fair value portion of loans held-for-sale including, but not limited to, mortgage loans and finance receivables.

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