Loans Receivable (Details 1) - USD ($) $ in Thousands	3 Months Ended	6 Months Ended
Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2019	Dec. 31, 2018
Financing Receivable, Credit Quality Indicator [Line Items]
Beginning balance	$ 1,450	$ 1,571	$ 1,456	$ 1,576
Provision for loan losses	5		64	11
Loans charged off	(8)	(58)	(73)	(117)
Recoveries		16		59
Ending balance	1,447	1,529	1,447	1,529
Automobile [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Beginning balance
Provision for loan losses	8		8
Loans charged off	(8)		8
Recoveries
Ending balance
Farm [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Beginning balance	6	6	6	6
Provision for loan losses	(2)	(1)	(2)	(1)
Loans charged off
Recoveries
Ending balance	4	5	4	5
Commercial nonmortgage [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Beginning balance	5	4	5	3
Provision for loan losses	(1)	(1)	(1)
Loans charged off
Recoveries
Ending balance	4	3	4	3
Loans on deposits [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Beginning balance	2	3	3	3
Provision for loan losses			(1)
Loans charged off
Recoveries
Ending balance	2	3	2	3
Home equity [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Beginning balance	12	16	14	13
Provision for loan losses	(1)	(3)	(3)
Loans charged off
Recoveries
Ending balance	11	13	11	13
Unsecured [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Beginning balance		1		1
Provision for loan losses	1		1	(20)
Loans charged off
Recoveries				20
Ending balance	1	1	1	1
Unallocated [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Beginning balance	200	200	200	200
Provision for loan losses
Loans charged off
Recoveries
Ending balance	200	200	200	200
One-to four-family residential real estate [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Beginning balance	686	781	685	795
Provision for loan losses	(2)	(5)	64	17
Loans charged off		(58)	(65)	(117)
Recoveries		16		39
Ending balance	684	734	684	734
Multi-family [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Beginning balance	193	232	200	225
Provision for loan losses	(21)	(12)	(28)	(5)
Loans charged off
Recoveries
Ending balance	172	220	172	220
Construction [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Beginning balance	6	4	6	8
Provision for loan losses		(1)		(5)
Loans charged off
Recoveries
Ending balance	6	3	6	3
Land [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Beginning balance	1	1	1	1
Provision for loan losses	1		1
Loans charged off
Recoveries
Ending balance	2	1	2	1
Nonresidential real estate [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Beginning balance	339	323	336	321
Provision for loan losses	22	23	25	25
Loans charged off
Recoveries
Ending balance	$ 361	$ 346	$ 361	$ 346

Amount of recovery of loans and lease receivables which had previously been fully or partially written-off as bad debts.

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Amount of loans and leases that have been written off from both loan receivables and allowance reserve for credit loss.

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Amount of allowance to cover probable credit losses on loans and leases. Includes carryover of or adjustments to the allowance for loan losses in connection with business combinations. Excludes allowance for loans and leases covered under loss sharing agreements.

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Amount of expense related to estimated loss from loan and lease transactions.

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