composition of loans receivable and loans held-for-sale (Details) - USD ($) $ in Thousands	Dec. 31, 2020	Dec. 31, 2019
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans receivable, net	$ 1,027,738	$ 927,413
Loans Receivable [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Residential 1-4 family	352,001	346,299
Residential 5+ multifamily	37,058	35,455
Construction of residential 1-4 family	8,814	11,889
Home equity lines of credit	27,804	33,798
Residential real estate	425,677	427,441
Commercial	310,841	289,795
Construction of commercial	31,722	8,466
Commercial real estate	342,563	298,261
Farm land	3,198	3,641
Vacant land	14,079	7,893
Real estate secured	785,517	737,236
Commercial and industrial	227,148	169,411
Municipal	21,512	21,914
Consumer	7,687	6,385
Loans receivable, gross	1,041,864	934,946
Deferred loan origination (fees) and costs, net	(372)	1,362
Allowance for loan losses	(13,754)	(8,895)
Loans receivable, net	1,027,738	927,413
Loans held-for-sale
Residential 1-4 family	$ 2,735	$ 332

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The reserve to cover probable credit losses related to specifically identified fixed maturity real estate loans as well as probable credit losses inherent in the remainder of that loan portfolio.

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The net carrying amount as of the balance sheet date of the sum of the various components of an operative builder's inventory, including finished homes. Operative builders primarily consist of entities that develop land, construct residential homes and commercial and industrial buildings thereon, and sell them to home buyers and operators of the commercial and industrial properties.

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Total of (1) improvements, (2) held-for-sale, (3) land and land under development, (4) construction-in-process, (5) mortgage loans held-in-inventory, and (6) other real estate investments which are considered inventory due to being held for sale or disposition.

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Represents mortgage loans held in inventory primarily for sale to others (third parties, businesses, legal entities) in the ordinary course of business.

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Amount of investment in certain other real estate investments not specifically identified elsewhere in the existing taxonomy.

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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.

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Amount after allowance and 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 and loans held for sale.

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Amount, before valuation allowance, of financing receivable classified as held-for-sale.

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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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