Composition of loans receivable and loans held-for-sale (Details) - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans receivable, net	$ 1,066,750	$ 1,027,738
Loans Receivable [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Residential 1-4 family	373,131	352,001
Residential 5+ multifamily	52,325	37,058
Construction of residential 1-4 family	19,738	8,814
Home equity lines of credit	23,270	27,804
Residential real estate	468,464	425,677
Commercial	310,923	310,841
Construction of commercial	58,838	31,722
Commercial real estate	369,761	342,563
Farm land	2,807	3,198
Vacant land	14,182	14,079
Real estate secured	855,214	785,517
Commercial and industrial ex PPP Loans	169,543	140,516
PPP Loans	25,589	86,632
Total Commercial and industrial	195,132	227,148
Municipal	16,534	21,512
Consumer	12,547	7,687
Loans receivable, gross	1,079,427	1,041,864
Allowance for loan losses	(12,962)	(13,754)
Loans receivable, net	1,066,750	1,027,738
Loans held-for-sale
Residential 1-4 family	$ 2,684	$ 2,735

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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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 fair value as of the balance sheet date of firm holdings in fixed income obligations issued by state and local governments and authorities. Includes both pledged (to counterparties as collateral for financing transactions) and unpledged holdings.

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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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Cost of real estate projects incurred for projects for eventual sale or transfer (condominium or time share projects, vacation clubs).

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Carrying amount as of the balance sheet date, net of valuation allowances and impairment losses, of costs of land expected to be developed in the near term plus capitalized costs of development, for purposes of selling completed units to home buyers or commercial or industrial entities..

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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 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 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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The balance represents the amount of loans that are secured by real estate mortgages, offset by the reserve to cover probable credit losses on the loan portfolio.

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