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LOANS AND ALLOWANCE FOR LOAN LOSSES - Summary of Loan Portfolio, Excluding Residential Loans Held for Sale (Detail) - USD ($) $ in Thousands	Dec. 31, 2020	Dec. 31, 2019
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Loans	$ 1,979,690	$ 1,644,330
Commercial Real Estate | Owner-occupied
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Loans	174,908	170,884
Commercial Real Estate | Non-owner occupied
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Loans	409,567	361,050
Commercial Real Estate | Multi-family
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Loans	113,635	106,893
Commercial Real Estate | Non-owner occupied residential
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Loans	114,505	120,038
Acquisition and development | 1-4 family residential construction
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Loans	9,486	15,865
Acquisition and development | Commercial and land development
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Loans	51,826	41,538
Commercial and industrial
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Loans	647,368	214,554
Commercial and industrial | SBA | SBA PPP Loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Loans	403,300	0
Municipal
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Loans	20,523	47,057
Residential mortgage | First lien
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Loans	244,321	336,372
Residential mortgage | Home-equity - term
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Loans	10,169	14,030
Residential mortgage | Home equity - lines of credit
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Loans	157,021	165,314
Installment and other loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Loans	$ 26,361	$ 50,735

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Amount before allowance and after deduction of deferred interest and fees, unamortized costs and premiums and discounts from face amounts, of loans and leases held in portfolio, including but not limited to, commercial and consumer loans. Excludes loans and leases covered under loss sharing agreements.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 45
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=121593590&loc=d3e4428-111522

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 4
-URI http://asc.fasb.org/extlink&oid=121611835&loc=d3e5074-111524

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