Loans, Activity and Allocation of Allowance for Loan Losses (Details) - USD ($) $ in Thousands	12 Months Ended
Jun. 30, 2016	Jun. 30, 2015
Activity of allowance for loan losses by loan category [Roll Forward]
Balance, beginning of period	$ 8,142	$ 7,419
Charge-offs	427	928
Recoveries	97	95
Provision	1,673	1,556
Balance, end of period	9,485	8,142
Allocation of allowance for loan losses by loan category [Abstract]
Allowance for loan losses, ending balance, impairment analysis individually evaluated	330	451
Allowance for loan losses, ending balance, impairment analysis collectively evaluated	9,155	7,691
Loans receivable, ending balance, impairment analysis individually evaluated	3,242	4,191
Loans receivable, ending balance, impairment analysis collectively evaluated	528,048	446,564
Residential Real Estate [Member] \| Residential Real Estate [Member]
Activity of allowance for loan losses by loan category [Roll Forward]
Balance, beginning of period	2,454	2,731
Charge-offs	0	390
Recoveries	0	6
Provision	(58)	107
Balance, end of period	2,396	2,454
Allocation of allowance for loan losses by loan category [Abstract]
Allowance for loan losses, ending balance, impairment analysis individually evaluated	267	263
Allowance for loan losses, ending balance, impairment analysis collectively evaluated	2,129	2,191
Loans receivable, ending balance, impairment analysis individually evaluated	1,723	1,843
Loans receivable, ending balance, impairment analysis collectively evaluated	233,269	224,805
Residential Real Estate [Member] \| Construction and Land [Member]
Activity of allowance for loan losses by loan category [Roll Forward]
Balance, beginning of period	50	42
Charge-offs	0	0
Recoveries	0	0
Provision	25	8
Balance, end of period	75	50
Allocation of allowance for loan losses by loan category [Abstract]
Allowance for loan losses, ending balance, impairment analysis individually evaluated	0	0
Allowance for loan losses, ending balance, impairment analysis collectively evaluated	75	50
Loans receivable, ending balance, impairment analysis individually evaluated	0	0
Loans receivable, ending balance, impairment analysis collectively evaluated	5,575	3,621
Residential Real Estate [Member] \| Multi-family [Member]
Activity of allowance for loan losses by loan category [Roll Forward]
Balance, beginning of period	40	59
Charge-offs	0	0
Recoveries	0	0
Provision	(18)	(19)
Balance, end of period	22	40
Allocation of allowance for loan losses by loan category [Abstract]
Allowance for loan losses, ending balance, impairment analysis individually evaluated	0	0
Allowance for loan losses, ending balance, impairment analysis collectively evaluated	22	40
Loans receivable, ending balance, impairment analysis individually evaluated	0	0
Loans receivable, ending balance, impairment analysis collectively evaluated	3,918	4,287
Commercial Real Estate [Member] \| Real Estate Mortgage [Member]
Activity of allowance for loan losses by loan category [Roll Forward]
Balance, beginning of period	3,699	2,936
Charge-offs	162	133
Recoveries	17	0
Provision	987	896
Balance, end of period	4,541	3,699
Allocation of allowance for loan losses by loan category [Abstract]
Allowance for loan losses, ending balance, impairment analysis individually evaluated	61	187
Allowance for loan losses, ending balance, impairment analysis collectively evaluated	4,480	3,512
Loans receivable, ending balance, impairment analysis individually evaluated	1,429	2,101
Loans receivable, ending balance, impairment analysis collectively evaluated	191,249	140,222
Commercial Real Estate [Member] \| Construction [Member]
Activity of allowance for loan losses by loan category [Roll Forward]
Balance, beginning of period	233	38
Charge-offs	0	0
Recoveries	0	0
Provision	269	195
Balance, end of period	502	233
Allocation of allowance for loan losses by loan category [Abstract]
Allowance for loan losses, ending balance, impairment analysis individually evaluated	0	0
Allowance for loan losses, ending balance, impairment analysis collectively evaluated	502	233
Loans receivable, ending balance, impairment analysis individually evaluated	0	0
Loans receivable, ending balance, impairment analysis collectively evaluated	20,159	8,936
Consumer Loan [Member] \| Home Equity [Member]
Activity of allowance for loan losses by loan category [Roll Forward]
Balance, beginning of period	314	361
Charge-offs	0	121
Recoveries	0	0
Provision	(5)	74
Balance, end of period	309	314
Allocation of allowance for loan losses by loan category [Abstract]
Allowance for loan losses, ending balance, impairment analysis individually evaluated	0	0
Allowance for loan losses, ending balance, impairment analysis collectively evaluated	309	314
Loans receivable, ending balance, impairment analysis individually evaluated	5	154
Loans receivable, ending balance, impairment analysis collectively evaluated	20,888	20,865
Consumer Loan [Member] \| Consumer Installment [Member]
Activity of allowance for loan losses by loan category [Roll Forward]
Balance, beginning of period	223	240
Charge-offs	245	236
Recoveries	78	61
Provision	172	158
Balance, end of period	228	223
Allocation of allowance for loan losses by loan category [Abstract]
Allowance for loan losses, ending balance, impairment analysis individually evaluated	0	0
Allowance for loan losses, ending balance, impairment analysis collectively evaluated	228	223
Loans receivable, ending balance, impairment analysis individually evaluated	0	0
Loans receivable, ending balance, impairment analysis collectively evaluated	4,350	4,123
Commercial Loans [Member]
Activity of allowance for loan losses by loan category [Roll Forward]
Balance, beginning of period	1,129	811
Charge-offs	20	48
Recoveries	2	28
Provision	301	338
Balance, end of period	1,412	1,129
Allocation of allowance for loan losses by loan category [Abstract]
Allowance for loan losses, ending balance, impairment analysis individually evaluated	2	1
Allowance for loan losses, ending balance, impairment analysis collectively evaluated	1,410	1,128
Loans receivable, ending balance, impairment analysis individually evaluated	85	93
Loans receivable, ending balance, impairment analysis collectively evaluated	48,640	39,705
Unallocated [Member]
Activity of allowance for loan losses by loan category [Roll Forward]
Balance, beginning of period	$ 0	201
Charge-offs		0
Recoveries		0
Provision		(201)
Balance, end of period		0
Allocation of allowance for loan losses by loan category [Abstract]
Allowance for loan losses, ending balance, impairment analysis individually evaluated		0
Allowance for loan losses, ending balance, impairment analysis collectively evaluated		0
Loans receivable, ending balance, impairment analysis individually evaluated		0
Loans receivable, ending balance, impairment analysis collectively evaluated		$ 0

Amount of recoveries of receivables doubtful of collection that were previously charged off.

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A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

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Amount of direct write-downs of accounts receivable charged against the allowance.

+ References

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- Definition

The valuation allowance for financing receivables that are expected to be uncollectible that were collectively evaluated for impairment.

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Amount of valuation allowance for financing receivables that are expected to be uncollectible that were individually evaluated for impairment.

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The balance of financing receivables that were collectively evaluated for impairment.

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- Definition

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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