Loans - Summary of Composition of Loans (Detail) - USD ($) $ in Thousands	Dec. 31, 2019	Dec. 31, 2018
Summary of balances of loans
Total loans	$ 924,503	$ 902,345
Net unamortized deferred loan fees	(313)	(252)
Allowance for loan losses	(7,562)	(7,902)
Loans receivable, net	916,628	894,191
Construction, land and land development
Summary of balances of loans
Total loans	126,010	109,475
Commercial mortgages (non-owner occupied)
Summary of balances of loans
Total loans	196,143	180,074
Commercial mortgages (owner occupied)
Summary of balances of loans
Total loans	82,829	87,241
Residential first mortgages
Summary of balances of loans
Total loans	293,913	298,894
Residential revolving and junior mortgages
Summary of balances of loans
Total loans	31,893	38,313
Commercial and industrial
Summary of balances of loans
Total loans	181,730	164,608
Consumer
Summary of balances of loans
Total loans	$ 11,985	$ 23,740

Amount of allowance to cover probable credit losses on loans and leases. Includes carryover of or adjustments to the allowance for loan losses in connection with business combinations. Excludes allowance for loans and leases covered under loss sharing agreements.

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

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Amount of deferred fees paid by borrowers and unamortized costs incurred to originate loans and leases, unamortized loan commitments and loan syndication fees, and premiums over or discounts from face amounts of loans that are being amortized into income as an adjustment to yield. Excludes amounts for loans and leases covered under loss sharing agreements.

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