composition of loans receivable by risk rating grade (Details) - USD ($) $ in Thousands	Dec. 31, 2021	Jun. 30, 2021	Dec. 31, 2020
Pass [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Residential 1-4 family		$ 344,976	$ 342,243
Residential 5+ multifamily		35,204	35,272
Construction of residential 1-4 family		12,251	8,814
Home equity lines of credit		24,879	27,393
Residential real estate		417,310	413,722
Commercial		269,496	276,866
Construction of commercial		41,983	31,493
Commercial real estate		311,479	308,359
Farm land		1,619	1,612
Vacant land		12,927	13,992
Real estate secured		743,335	737,685
Commercial and industrial		215,693	224,906
Municipal		18,341	21,512
Consumer		9,520	7,660
Loans receivable, gross		986,889	991,763
Special Mention [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Residential 1-4 family		4,553	5,615
Residential 5+ multifamily		85	90
Construction of residential 1-4 family
Home equity lines of credit		236	257
Residential real estate		4,874	5,962
Commercial		6,855	15,565
Construction of commercial
Commercial real estate		6,855	15,565
Farm land		1,316
Vacant land		44	50
Real estate secured		13,089	21,577
Commercial and industrial		914	1,271
Municipal
Consumer		1
Loans receivable, gross		14,004	22,848
Substandard [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Residential 1-4 family		4,123	4,143
Residential 5+ multifamily		1,683	1,696
Construction of residential 1-4 family
Home equity lines of credit		147	154
Residential real estate		5,953	5,993
Commercial		36,295	18,410
Construction of commercial			229
Commercial real estate		36,295	18,639
Farm land		594	1,586
Vacant land		35	37
Real estate secured		42,877	26,255
Commercial and industrial		1,867	632
Municipal
Consumer		22	27
Loans receivable, gross		44,766	26,914
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		283	339
Municipal
Consumer
Loans receivable, gross		283	339
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	$ 352,001	353,652
Residential 5+ multifamily	37,058	36,972
Construction of residential 1-4 family	8,814	12,251
Home equity lines of credit	27,804	25,262
Residential real estate	425,677	428,137
Commercial	310,841	312,646
Construction of commercial	31,722	41,983
Commercial real estate	342,563	354,629
Farm land	3,198	3,529
Vacant land	14,079	13,006
Real estate secured	785,517	799,301
Commercial and industrial	227,148	218,757
Municipal	21,512	18,341
Consumer	7,687	9,543
Loans receivable, gross	$ 1,041,864	$ 1,045,942

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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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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 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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