Loans and Allowance for Loan Losses, Activity and Allocation of Allowance for Loan Losses (Details) - USD ($) $ in Thousands	3 Months Ended	6 Months Ended
Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2015	Dec. 31, 2014	Jun. 30, 2015
Activity of allowance for loan losses by loan category [Roll Forward]
Balance, beginning of period	$ 8,466	$ 7,720	$ 8,142	$ 7,419
Charge-offs	213	240	305	369
Recoveries	15	11	57	30
Provision	343	305	717	716
Balance, end of period	8,611	7,796	8,611	7,796
Allocation of allowance for loan losses by loan category [Abstract]
Allowance for loan losses, ending balance, impairment analysis individually evaluated	322		322		$ 451
Allowance for loan losses, ending balance, impairment analysis collectively evaluated	8,289		8,289		7,691
Loans receivable, ending balance, impairment analysis individually evaluated	3,037		3,037		4,191
Loans receivable, ending balance, impairment analysis collectively evaluated	482,891		482,891		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	2,386	2,647	2,454	2,731
Charge-offs	0	168	0	242
Recoveries	0	0	0	0
Provision	6	110	(62)	100
Balance, end of period	2,392	2,589	2,392	2,589
Allocation of allowance for loan losses by loan category [Abstract]
Allowance for loan losses, ending balance, impairment analysis individually evaluated	260		260		263
Allowance for loan losses, ending balance, impairment analysis collectively evaluated	2,132		2,132		2,191
Loans receivable, ending balance, impairment analysis individually evaluated	1,500		1,500		1,843
Loans receivable, ending balance, impairment analysis collectively evaluated	228,198		228,198		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	62	41	50	42
Charge-offs	0	0	0	0
Recoveries	0	0	0	0
Provision	8	10	20	9
Balance, end of period	70	51	70	51
Allocation of allowance for loan losses by loan category [Abstract]
Allowance for loan losses, ending balance, impairment analysis individually evaluated	0		0		0
Allowance for loan losses, ending balance, impairment analysis collectively evaluated	70		70		50
Loans receivable, ending balance, impairment analysis individually evaluated	0		0		0
Loans receivable, ending balance, impairment analysis collectively evaluated	5,212		5,212		3,621
Residential Real Estate [Member] \| Multi-family [Member]
Activity of allowance for loan losses by loan category [Roll Forward]
Balance, beginning of period	25	45	40	59
Charge-offs	0	0	0	0
Recoveries	0	0	0	0
Provision	0	(1)	(15)	(15)
Balance, end of period	25	44	25	44
Allocation of allowance for loan losses by loan category [Abstract]
Allowance for loan losses, ending balance, impairment analysis individually evaluated	0		0		0
Allowance for loan losses, ending balance, impairment analysis collectively evaluated	25		25		40
Loans receivable, ending balance, impairment analysis individually evaluated	0		0		0
Loans receivable, ending balance, impairment analysis collectively evaluated	4,443		4,443		4,287
Commercial Real Estate [Member] \| Real Estate [Member]
Activity of allowance for loan losses by loan category [Roll Forward]
Balance, beginning of period	3,814	3,164	3,699	2,936
Charge-offs	148	0	162	0
Recoveries	0	0	17	0
Provision	354	303	466	531
Balance, end of period	4,020	3,467	4,020	3,467
Allocation of allowance for loan losses by loan category [Abstract]
Allowance for loan losses, ending balance, impairment analysis individually evaluated	60		60		187
Allowance for loan losses, ending balance, impairment analysis collectively evaluated	3,960		3,960		3,512
Loans receivable, ending balance, impairment analysis individually evaluated	1,443		1,443		2,101
Loans receivable, ending balance, impairment analysis collectively evaluated	161,667		161,667		140,222
Commercial Real Estate [Member] \| Construction [Member]
Activity of allowance for loan losses by loan category [Roll Forward]
Balance, beginning of period	162	109	233	38
Charge-offs	0	0	0	0
Recoveries	0	0	0	0
Provision	169	39	98	110
Balance, end of period	331	148	331	148
Allocation of allowance for loan losses by loan category [Abstract]
Allowance for loan losses, ending balance, impairment analysis individually evaluated	0		0		0
Allowance for loan losses, ending balance, impairment analysis collectively evaluated	331		331		233
Loans receivable, ending balance, impairment analysis individually evaluated	0		0		0
Loans receivable, ending balance, impairment analysis collectively evaluated	12,761		12,761		8,936
Consumer Loan [Member] \| Home Equity [Member]
Activity of allowance for loan losses by loan category [Roll Forward]
Balance, beginning of period	319	376	314	361
Charge-offs	0	0	0	0
Recoveries	0	0	0	0
Provision	(14)	(4)	(9)	11
Balance, end of period	305	372	305	372
Allocation of allowance for loan losses by loan category [Abstract]
Allowance for loan losses, ending balance, impairment analysis individually evaluated	0		0		0
Allowance for loan losses, ending balance, impairment analysis collectively evaluated	305		305		314
Loans receivable, ending balance, impairment analysis individually evaluated	5		5		154
Loans receivable, ending balance, impairment analysis collectively evaluated	21,160		21,160		20,865
Consumer Loan [Member] \| Consumer Installment [Member]
Activity of allowance for loan losses by loan category [Roll Forward]
Balance, beginning of period	240	243	223	240
Charge-offs	65	66	143	121
Recoveries	15	5	40	24
Provision	(2)	62	68	101
Balance, end of period	188	244	188	244
Allocation of allowance for loan losses by loan category [Abstract]
Allowance for loan losses, ending balance, impairment analysis individually evaluated	0		0		0
Allowance for loan losses, ending balance, impairment analysis collectively evaluated	188		188		223
Loans receivable, ending balance, impairment analysis individually evaluated	0		0		0
Loans receivable, ending balance, impairment analysis collectively evaluated	4,097		4,097		4,123
Commercial Loans [Member]
Activity of allowance for loan losses by loan category [Roll Forward]
Balance, beginning of period	1,252	831	1,129	811
Charge-offs	0	6	0	6
Recoveries	0	6	0	6
Provision	20	50	143	70
Balance, end of period	1,272	881	1,272	881
Allocation of allowance for loan losses by loan category [Abstract]
Allowance for loan losses, ending balance, impairment analysis individually evaluated	2		2		1
Allowance for loan losses, ending balance, impairment analysis collectively evaluated	1,270		1,270		1,128
Loans receivable, ending balance, impairment analysis individually evaluated	89		89		93
Loans receivable, ending balance, impairment analysis collectively evaluated	45,353		45,353		39,705
Unallocated [Member]
Activity of allowance for loan losses by loan category [Roll Forward]
Balance, beginning of period	206	264	0	201
Charge-offs	0	0	0	0
Recoveries	0	0	0	0
Provision	(198)	(264)	8	(201)
Balance, end of period	8	$ 0	8	$ 0
Allocation of allowance for loan losses by loan category [Abstract]
Allowance for loan losses, ending balance, impairment analysis individually evaluated	0		0		0
Allowance for loan losses, ending balance, impairment analysis collectively evaluated	8		8		0
Loans receivable, ending balance, impairment analysis individually evaluated	0		0		0
Loans receivable, ending balance, impairment analysis collectively evaluated	$ 0		$ 0		$ 0

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

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- Definition

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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- Definition

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

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 954
-SubTopic 310
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- 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.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
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Reference 5: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Staff Accounting Bulletin (SAB)
-Number Topic 6
-Section L
-Subsection 1

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

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