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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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Amount, excluding accrued interest, of credit loss expense (reversal of expense) on financing receivable. Excludes net investment in lease.

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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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Loans and Allowance for Credit Losses - Allowance for credit losses (Details) - USD ($)	3 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Jun. 30, 2023
Allowance for loan losses:
Beginning balance	$ 263,422	$ 222,884
Provision (credit) for loan losses	129,022
Provision (credit) for loan losses.	129,022
Ending balance		222,884
Ending balance	439,239
Credit for credit loss on unfunded loan commitments	129,022
Adjustment \| ASU 2016-13
Allowance for loan losses:
Adoption of ASC 326			$ 46,795
Unfunded Loan Commitment [Member]
Allowance for loan losses:
Provision (credit) for loan losses.	357
Ending balance	20,146
Credit for credit loss on unfunded loan commitments	357
Unfunded Loan Commitment [Member] \| Adjustment \| ASU 2016-13
Allowance for loan losses:
Ending balance	20,503
Commercial real estate
Allowance for loan losses:
Beginning balance	27,379	20,643
Provision (credit) for loan losses		(949)
Provision (credit) for loan losses.	15,316
Ending balance		19,694
Ending balance	40,492
Credit for credit loss on unfunded loan commitments	15,316
Commercial real estate \| Adjustment \| ASU 2016-13
Allowance for loan losses:
Adoption of ASC 326			(2,203)
Residential real estate
Allowance for loan losses:
Beginning balance	167,714	177,830
Provision (credit) for loan losses		(2,090)
Provision (credit) for loan losses.	4,930
Ending balance		175,740
Ending balance	214,574
Credit for credit loss on unfunded loan commitments	4,930
Residential real estate \| Adjustment \| ASU 2016-13
Allowance for loan losses:
Adoption of ASC 326			41,930
Multifamily real estate
Allowance for loan losses:
Beginning balance	1,786	1,926
Provision (credit) for loan losses		(47)
Provision (credit) for loan losses.	(20)
Ending balance		1,879
Ending balance	1,757
Credit for credit loss on unfunded loan commitments	(20)
Multifamily real estate \| Adjustment \| ASU 2016-13
Allowance for loan losses:
Adoption of ASC 326			(9)
Agricultural real estate
Allowance for loan losses:
Beginning balance	17,091	13,868
Provision (credit) for loan losses		2,036
Provision (credit) for loan losses.	(104)
Ending balance		15,904
Ending balance	15,791
Credit for credit loss on unfunded loan commitments	(104)
Agricultural real estate \| Adjustment \| ASU 2016-13
Allowance for loan losses:
Adoption of ASC 326			(1,196)
Construction and land
Allowance for loan losses:
Beginning balance	12,491	5,477
Provision (credit) for loan losses		610
Provision (credit) for loan losses.	50,369
Ending balance		6,087
Ending balance	73,004
Credit for credit loss on unfunded loan commitments	50,369
Construction and land \| Adjustment \| ASU 2016-13
Allowance for loan losses:
Adoption of ASC 326			10,144
Home equity line of credit (HELOC)
Allowance for loan losses:
Beginning balance	34,779	1,306
Provision (credit) for loan losses		(110)
Provision (credit) for loan losses.	362
Ending balance		1,196
Ending balance	1,253
Credit for credit loss on unfunded loan commitments	362
Home equity line of credit (HELOC) \| Adjustment \| ASU 2016-13
Allowance for loan losses:
Adoption of ASC 326			(33,888)
Commercial and industrial
Allowance for loan losses:
Beginning balance	882	709
Provision (credit) for loan losses		595
Provision (credit) for loan losses.	58,004
Ending balance		1,304
Ending balance	90,448
Credit for credit loss on unfunded loan commitments	58,004
Commercial and industrial \| Adjustment \| ASU 2016-13
Allowance for loan losses:
Adoption of ASC 326			31,562
Consumer
Allowance for loan losses:
Beginning balance	1,300	1,125
Provision (credit) for loan losses		(45)
Provision (credit) for loan losses.	165
Ending balance		$ 1,080
Ending balance	1,920
Credit for credit loss on unfunded loan commitments	$ 165
Consumer \| Adjustment \| ASU 2016-13
Allowance for loan losses:
Adoption of ASC 326			$ 455