LOANS - Summary of Impaired Loans by Class of Loans (Detail) - USD ($) $ in Thousands	Mar. 31, 2020	Dec. 31, 2019
Unpaid Principal Balance
With no allowance recorded:	$ 20,114	$ 1,883
With an allowance recorded:	7,328	25,160
Total	27,442	27,043
Recorded Investment
With no allowance recorded:	20,106	1,875
With an allowance recorded:	7,328	25,160
Total	27,434	27,035
Allowance for Loan Losses Allocated	6,760	20,771
Commercial real estate: \| Nonfarm, nonresidential
Unpaid Principal Balance
With no allowance recorded:	3,460
Recorded Investment
With no allowance recorded:	3,460
Residential real estate: \| Closed-end 1-4 family
Unpaid Principal Balance
With no allowance recorded:	950	319
With an allowance recorded:		643
Recorded Investment
With no allowance recorded:	942	311
With an allowance recorded:		643
Allowance for Loan Losses Allocated		17
Residential real estate: \| Other
Unpaid Principal Balance
With no allowance recorded:	2,313	1,523
Recorded Investment
With no allowance recorded:	2,313	1,523
Construction and land development
Unpaid Principal Balance
With no allowance recorded:		30
Recorded Investment
With no allowance recorded:		30
Commercial and industrial
Unpaid Principal Balance
With no allowance recorded:	13,391	11
With an allowance recorded:	7,328	24,517
Recorded Investment
With no allowance recorded:	13,391	11
With an allowance recorded:	7,328	24,517
Allowance for Loan Losses Allocated	$ 6,760	$ 20,754

Amount of investment of impaired financing receivables with related allowance for credit losses and without a related allowance for credit losses.

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