Composition of loans receivable by risk rating grade (Details) - USD ($) $ in Thousands	Sep. 30, 2022	Dec. 31, 2021
Financing Receivable, Credit Quality Indicator [Line Items]
Residential 1-4 family	$ 414,957	$ 373,131
Residential 5+ multifamily	70,459	52,325
Construction of residential 1-4 family	21,527	19,738
Home equity lines of credit	24,895	23,270
Residential real estate	531,838	468,464
Commercial	367,257	310,923
Construction of commercial	45,762	58,838
Commercial real estate	413,019	369,761
Farm land	4,225	2,807
Vacant land	14,796	14,182
Real estate secured	963,878	855,214
Commercial and industrial	186,996	195,132
Municipal	18,607	16,534
Consumer	20,344	12,547
Loans receivable, gross	1,189,825	1,079,427
Pass [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Residential 1-4 family	410,458	367,225
Residential 5+ multifamily	70,308	50,588
Construction of residential 1-4 family	21,527	19,738
Home equity lines of credit	24,730	23,037
Residential real estate	527,023	460,588
Commercial	348,824	271,821
Construction of commercial	45,762	58,838
Commercial real estate	394,586	330,659
Farm land	2,402	1,162
Vacant land	14,764	14,143
Real estate secured	938,775	806,552
Commercial and industrial	184,584	191,857
Municipal	18,607	16,534
Consumer	20,344	12,547
Loans receivable, gross	1,162,310	1,027,490
Special Mention [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Residential 1-4 family	3,030	3,543
Residential 5+ multifamily	72	79
Construction of residential 1-4 family
Home equity lines of credit	165	212
Residential real estate	3,267	3,834
Commercial	13,079	16,034
Construction of commercial
Commercial real estate	13,079	16,034
Farm land	1,426	1,214
Vacant land	32	39
Real estate secured	17,804	21,121
Commercial and industrial	696	688
Municipal
Consumer
Loans receivable, gross	18,500	21,809
Substandard [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Residential 1-4 family	1,469	2,363
Residential 5+ multifamily	79	1,658
Construction of residential 1-4 family
Home equity lines of credit		21
Residential real estate	1,548	4,042
Commercial	5,354	23,068
Construction of commercial
Commercial real estate	5,354	23,068
Farm land	397	431
Vacant land
Real estate secured	7,299	27,541
Commercial and industrial	1,716	2,587
Municipal
Consumer
Loans receivable, gross	9,015	30,128
Doubtful [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Residential 1-4 family
Residential 5+ multifamily
Construction of residential 1-4 family
Home equity lines of credit
Residential real estate
Commercial
Construction of commercial
Commercial real estate
Farm land
Vacant land
Real estate secured
Commercial and industrial
Municipal
Consumer
Loans receivable, gross
Unlikely to be Collected Financing Receivable [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Residential 1-4 family
Residential 5+ multifamily
Construction of residential 1-4 family
Home equity lines of credit
Residential real estate
Commercial
Construction of commercial
Commercial real estate
Farm land
Vacant land
Real estate secured
Commercial and industrial
Municipal
Consumer
Loans receivable, gross
Nonperforming Financial Instruments [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Residential 1-4 family	414,957	373,131
Residential 5+ multifamily	70,459	52,325
Construction of residential 1-4 family	21,527	19,738
Home equity lines of credit	24,895	23,270
Residential real estate	531,838	468,464
Commercial	367,257	310,923
Construction of commercial	45,762	58,838
Commercial real estate	413,019	369,761
Farm land	4,225	2,807
Vacant land	14,796	14,182
Real estate secured	963,878	855,214
Commercial and industrial	186,996	195,132
Municipal	18,607	16,534
Consumer	20,344	12,547
Loans receivable, gross	$ 1,189,825	$ 1,079,427

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

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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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