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FAIR VALUE - Schedule of Estimated Fair Values of Financial Instruments (Detail) - USD ($) $ in Thousands	Dec. 31, 2020	Dec. 31, 2019
Financial Assets
Interest-bearing deposits with banks	$ 99,055	$ 29,994
Restricted investments in bank stock	10,563	16,184
Investment securities	466,465	490,885
Carrying Amount
Financial Assets
Cash and due from banks	26,203	25,969
Interest-bearing deposits with banks	99,055	30,493
Restricted investments in bank stock	10,563	16,184
Investment securities	466,465	490,885
Loans held for sale	11,734	9,364
Loans, net of allowance for loan losses	1,959,539	1,629,675
Interest rate lock commitments on residential mortgages	673	103
Accrued interest receivable	8,927	6,040
Financial Liabilities
Deposits	2,356,880	1,875,522
Securities sold under agreements to repurchase	19,466	8,269
FHLB advances and other	58,045	209,667
Subordinated notes	31,903	31,847
Accrued interest payable	238	879
Carrying Amount | Interest rate swaps
Financial Assets
Interest rate swaps	690
Financial Liabilities
Interest rate swaps	1,956
Fair Value
Financial Liabilities
Subordinated notes		33,953
Fair Value | Fair Value
Financial Assets
Cash and due from banks	26,203	25,969
Interest-bearing deposits with banks	99,055	30,493
Investment securities	466,465	490,885
Loans held for sale	11,734	9,364
Loans, net of allowance for loan losses	1,953,860	1,652,788
Interest rate lock commitments on residential mortgages	673	103
Accrued interest receivable	8,927	6,040
Financial Liabilities
Deposits	2,359,317	1,876,555
Securities sold under agreements to repurchase	19,466	8,269
FHLB advances and other	58,298	210,005
Subordinated notes	31,712
Accrued interest payable	238	879
Fair Value | Fair Value | Interest rate swaps
Financial Assets
Interest rate swaps	690
Financial Liabilities
Interest rate swaps	1,956
Fair Value | Level 1
Financial Assets
Cash and due from banks	26,203	25,969
Interest-bearing deposits with banks	99,055	30,493
Investment securities	371	637
Loans held for sale	0	0
Loans, net of allowance for loan losses	0	0
Interest rate lock commitments on residential mortgages	0	0
Accrued interest receivable	0	0
Financial Liabilities
Deposits	0	0
Securities sold under agreements to repurchase	0	0
FHLB advances and other	0	0
Subordinated notes	0	0
Accrued interest payable	0	0
Fair Value | Level 1 | Interest rate swaps
Financial Assets
Interest rate swaps	0
Financial Liabilities
Interest rate swaps	0
Fair Value | Level 2
Financial Assets
Cash and due from banks	0	0
Interest-bearing deposits with banks	0	0
Investment securities	434,591	465,969
Loans held for sale	11,734	9,364
Loans, net of allowance for loan losses	0	0
Interest rate lock commitments on residential mortgages	0	0
Accrued interest receivable	1,529	1,863
Financial Liabilities
Deposits	2,359,317	1,876,555
Securities sold under agreements to repurchase	19,466	8,269
FHLB advances and other	58,298	210,005
Subordinated notes	31,712	33,953
Accrued interest payable	238	879
Fair Value | Level 2 | Interest rate swaps
Financial Assets
Interest rate swaps	690
Financial Liabilities
Interest rate swaps	1,956
Fair Value | Level 3
Financial Assets
Cash and due from banks	0	0
Interest-bearing deposits with banks	0	0
Investment securities	31,503	24,279
Loans held for sale	0	0
Loans, net of allowance for loan losses	1,953,860	1,652,788
Interest rate lock commitments on residential mortgages	673	103
Accrued interest receivable	7,398	4,177
Financial Liabilities
Deposits	0	0
Securities sold under agreements to repurchase	0	0
FHLB advances and other	0	0
Subordinated notes	0	0
Accrued interest payable	0	$ 0
Fair Value | Level 3 | Interest rate swaps
Financial Assets
Interest rate swaps	0
Financial Liabilities
Interest rate swaps	$ 0

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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).

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