Securities (Details) $ in Thousands	12 Months Ended
	Jun. 30, 2016 USD ($) Category	Jun. 30, 2015 USD ($)
Securities [Abstract]
Number of categories utilized under risk management approach of diversified investing | Category	3
Available-for-sale debt securities [Abstract]
Amortized cost	$ 98,065	$ 84,824
Gross unrealized gains	1,911	1,139
Gross unrealized losses	5	66
Estimated fair value	99,971	85,897
Available-for-sale equity securities and other [Abstract]
Amortized cost	62	62
Gross unrealized gains	90	75
Gross unrealized losses	0	0
Estimated fair value	152	137
Available-for-sale securities [Abstract]
Amortized cost	98,127	84,886
Gross unrealized gains	2,001	1,214
Gross unrealized losses	5	66
Estimated fair value	100,123	86,034
Held-to-maturity securities [Abstract]
Amortized cost	204,935	169,000
Gross unrealized gains	9,130	3,895
Gross unrealized losses	7	919
Estimated fair value	214,058	171,976
Total Securities [Abstract]
Amortized cost	303,062	253,886
Gross unrealized gains	11,131	5,109
Gross unrealized losses	12	985
Estimated fair value	314,181	258,010
U.S. Government Sponsored Enterprises [Member]
Available-for-sale debt securities [Abstract]
Amortized cost	4,587	7,608
Gross unrealized gains	304	247
Gross unrealized losses	0	0
Estimated fair value	4,891	7,855
State and Political Subdivisions [Member]
Available-for-sale debt securities [Abstract]
Amortized cost	60,491	39,574
Gross unrealized gains	8	9
Gross unrealized losses	0	1
Estimated fair value	60,499	39,582
Mortgage-backed Securities-Residential [Member]
Available-for-sale debt securities [Abstract]
Amortized cost	6,360	7,797
Gross unrealized gains	185	155
Gross unrealized losses	5	10
Estimated fair value	6,540	7,942
Mortgage-backed Securities-Multi-Family [Member]
Available-for-sale debt securities [Abstract]
Amortized cost	22,594	25,291
Gross unrealized gains	1,285	486
Gross unrealized losses	0	42
Estimated fair value	23,879	25,735
Asset-Backed Securities [Member]
Available-for-sale debt securities [Abstract]
Amortized cost	5	10
Gross unrealized gains	0	0
Gross unrealized losses	0	1
Estimated fair value	5	9
Corporate Debt Securities [Member]
Available-for-sale debt securities [Abstract]
Amortized cost	4,028	4,544
Gross unrealized gains	129	242
Gross unrealized losses	0	12
Estimated fair value	4,157	4,774
U.S. Government Sponsored Enterprises [Member]
Held-to-maturity securities [Abstract]
Amortized cost	2,000	2,000
Gross unrealized gains	32	0
Gross unrealized losses	0	49
Estimated fair value	2,032	1,951
State and Political Subdivisions [Member]
Held-to-maturity securities [Abstract]
Amortized cost	99,040	81,501
Gross unrealized gains	5,003	2,137
Gross unrealized losses	3	187
Estimated fair value	104,040	83,451
Mortgage-backed Securities-Residential [Member]
Held-to-maturity securities [Abstract]
Amortized cost	13,543	17,468
Gross unrealized gains	606	768
Gross unrealized losses	0	0
Estimated fair value	14,149	18,236
Mortgage-backed Securities-Multi-Family [Member]
Held-to-maturity securities [Abstract]
Amortized cost	87,204	67,239
Gross unrealized gains	3,471	990
Gross unrealized losses	4	665
Estimated fair value	90,671	67,564
Corporate Debt Securities [Member]
Held-to-maturity securities [Abstract]
Amortized cost	1,000
Gross unrealized gains	0
Gross unrealized losses	0
Estimated fair value	1,000
Other Securities [Member]
Held-to-maturity securities [Abstract]
Amortized cost	2,148	792
Gross unrealized gains	18	0
Gross unrealized losses	0	18
Estimated fair value	$ 2,166	$ 774