Loans - Schedule of Troubled Debt Restructurings With Payment Default (Details) $ in Thousands	3 Months Ended		6 Months Ended
	Dec. 31, 2015 USD ($) loan	Dec. 31, 2014 USD ($) loan	Dec. 31, 2015 USD ($) loan	Dec. 31, 2014 USD ($) loan
Financing Receivable, Modifications
Number of loans | loan	8	3	8	7
Recorded investment | $	$ 384	$ 90	$ 384	$ 400
Below market interest rate
Financing Receivable, Modifications
Number of loans | loan	1	0	1	0
Recorded investment | $	$ 6	$ 0	$ 6	$ 0
Extended payment terms
Financing Receivable, Modifications
Number of loans | loan	1	0	1	0
Recorded investment | $	$ 31	$ 0	$ 31	$ 0
Other TDRs
Financing Receivable, Modifications
Number of loans | loan	6	3	6	7
Recorded investment | $	$ 347	$ 90	$ 347	$ 400
Retail Consumer Loans | Below market interest rate | One-to-four family
Financing Receivable, Modifications
Number of loans | loan	1	0	1	0
Recorded investment | $	$ 6	$ 0	$ 6	$ 0
Retail Consumer Loans | Extended payment terms | One-to-four family
Financing Receivable, Modifications
Number of loans | loan	1	0	1	0
Recorded investment | $	$ 31	$ 0	$ 31	$ 0
Retail Consumer Loans | Other TDRs | One-to-four family
Financing Receivable, Modifications
Number of loans | loan	3	3	3	7
Recorded investment | $	$ 330	$ 90	$ 330	$ 400
Retail Consumer Loans | Other TDRs | HELOCs - originated
Financing Receivable, Modifications
Number of loans | loan	2	0	2	0
Recorded investment | $	$ 16	$ 0	$ 16	$ 0
Retail Consumer Loans | Other TDRs | Consumer
Financing Receivable, Modifications
Number of loans | loan	1	0	1	0
Recorded investment | $	$ 1	$ 0	$ 1	$ 0
Commercial Loans | Other TDRs | Commercial real estate
Financing Receivable, Modifications
Number of loans | loan			0	0
Recorded investment | $			$ 0	$ 0