Loan Receivable and Allowance for Loan and Lease Losses Allowance for Loan Losses (Details) - USD ($) $ in Thousands	3 Months Ended	12 Months Ended
Jun. 30, 2016	Jun. 30, 2015	Mar. 31, 2016
Financing Receivable, Allowance for Credit Losses [Line Items]
Allowance for loan losses	$ 5,232	$ 4,428	$ 4,428
Charge-off	10	581	1,422
Recoveries	165	94	731
Provision for loan losses	(204)	34	1,495
Allowance for loan losses	5,183	3,975	5,232
Financing Receivable, Allowance for Credit Losses, Collectively Evaluated for Impairment	4,586		4,642
Financing Receivable, Allowance for Credit Losses, Individually Evaluated for Impairment	597		590
Loans Receivable Ending Balance	561,678		589,019
Financing Receivable, Collectively Evaluated for Impairment	545,592		569,454
Financing Receivable, Individually Evaluated for Impairment	16,086		19,565
Residential Portfolio Segment [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Allowance for loan losses	1,697	1,970	1,970
Charge-off	3	230	389
Recoveries	0	0	113
Provision for loan losses	181	(100)	3
Allowance for loan losses	1,875	1,640	1,697
Financing Receivable, Allowance for Credit Losses, Collectively Evaluated for Impairment	1,782		1,602
Financing Receivable, Allowance for Credit Losses, Individually Evaluated for Impairment	93		95
Loans Receivable Ending Balance	135,642		143,667
Financing Receivable, Collectively Evaluated for Impairment	130,775		139,031
Financing Receivable, Individually Evaluated for Impairment	4,867		4,636
Multifamily [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Allowance for loan losses	622	502	502
Charge-off	7	238	340
Recoveries	0	0	0
Provision for loan losses	(85)	146	460
Allowance for loan losses	530	410	622
Financing Receivable, Allowance for Credit Losses, Collectively Evaluated for Impairment	530		622
Financing Receivable, Allowance for Credit Losses, Individually Evaluated for Impairment	0		0
Loans Receivable Ending Balance	82,885		95,648
Financing Receivable, Collectively Evaluated for Impairment	81,130		93,879
Financing Receivable, Individually Evaluated for Impairment	1,755		1,769
Commercial Real Estate Portfolio Segment [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Allowance for loan losses	1,808	1,029	1,029
Charge-off	0	0	0
Recoveries	5	0	9
Provision for loan losses	45	3	770
Allowance for loan losses	1,858	1,032	1,808
Financing Receivable, Allowance for Credit Losses, Collectively Evaluated for Impairment	1,838		1,787
Financing Receivable, Allowance for Credit Losses, Individually Evaluated for Impairment	20		21
Loans Receivable Ending Balance	268,373		273,470
Financing Receivable, Collectively Evaluated for Impairment	265,506		267,176
Financing Receivable, Individually Evaluated for Impairment	2,867		6,294
Construction Loans [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Allowance for loan losses	62	99	99
Charge-off	0	0	0
Recoveries	0	0	0
Provision for loan losses	0	0	(37)
Allowance for loan losses	62	99	62
Financing Receivable, Allowance for Credit Losses, Collectively Evaluated for Impairment	62		62
Financing Receivable, Allowance for Credit Losses, Individually Evaluated for Impairment	0		0
Loans Receivable Ending Balance	4,988		5,000
Financing Receivable, Collectively Evaluated for Impairment	4,988		5,000
Financing Receivable, Individually Evaluated for Impairment	0		0
Commercial Loan [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Allowance for loan losses	1,022	813	813
Charge-off	0	112	176
Recoveries	156	93	578
Provision for loan losses	(322)	(3)	(193)
Allowance for loan losses	856	791	1,022
Financing Receivable, Allowance for Credit Losses, Collectively Evaluated for Impairment	372		548
Financing Receivable, Allowance for Credit Losses, Individually Evaluated for Impairment	484		474
Loans Receivable Ending Balance	69,665		71,192
Financing Receivable, Collectively Evaluated for Impairment	63,068		64,326
Financing Receivable, Individually Evaluated for Impairment	6,597		6,866
Consumer Loan [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Allowance for loan losses	21	15	15
Charge-off	0	1	517
Recoveries	4	1	31
Provision for loan losses	(23)	(12)	492
Allowance for loan losses	2	$ 3	21
Financing Receivable, Allowance for Credit Losses, Collectively Evaluated for Impairment	2		21
Financing Receivable, Allowance for Credit Losses, Individually Evaluated for Impairment	0		0
Loans Receivable Ending Balance	125		42
Financing Receivable, Collectively Evaluated for Impairment	125		42
Financing Receivable, Individually Evaluated for Impairment	$ 0		$ 0

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

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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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Amount of recovery of financing receivables doubtful of collection that were previously charged off.

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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
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 11B
-Subparagraph (g)
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-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
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-Section S99
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-Publisher SEC
-Name Staff Accounting Bulletin (SAB)
-Number Topic 6
-Section L
-Subsection 1

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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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Reference 1: http://www.xbrl.org/2003/role/presentationRef
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Amount of expense related to estimated loss from loan and lease transactions.

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-Publisher FASB
-Name Accounting Standards Codification
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-SubTopic 225
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