Securities, Unrealized Gain (Loss) on Investments (Details) - USD ($) $ in Thousands	Sep. 30, 2016	Jun. 30, 2016
Available-for-sale debt securities [Abstract]
Amortized cost	$ 89,388	$ 98,065
Gross unrealized gains	1,665	1,911
Gross unrealized losses	9	5
Estimated fair value	91,044	99,971
Available-for-sale equity securities and other [Abstract]
Amortized cost	62	62
Gross unrealized gains	99	90
Gross unrealized losses	0	0
Estimated fair value	161	152
Available-for-sale securities [Abstract]
Amortized cost	89,450	98,127
Gross unrealized gains	1,764	2,001
Gross unrealized losses	9	5
Estimated fair value	91,205	100,123
Held-to-maturity securities [Abstract]
Amortized cost	207,601	204,935
Gross unrealized gains	8,188	9,130
Gross unrealized losses	23	7
Estimated fair value	215,766	214,058
Total Securities [Abstract]
Amortized cost	297,051	303,062
Gross unrealized gains	9,952	11,131
Gross unrealized losses	32	12
Estimated fair value	306,971	314,181
U.S. Government Sponsored Enterprises [Member]
Available-for-sale debt securities [Abstract]
Amortized cost	4,582	4,587
Gross unrealized gains	272	304
Gross unrealized losses	0	0
Estimated fair value	4,854	4,891
State and Political Subdivisions [Member]
Available-for-sale debt securities [Abstract]
Amortized cost	52,450	60,491
Gross unrealized gains	4	8
Gross unrealized losses	0	0
Estimated fair value	52,454	60,499
Mortgage-backed Securities-Residential [Member]
Available-for-sale debt securities [Abstract]
Amortized cost	5,971	6,360
Gross unrealized gains	168	185
Gross unrealized losses	7	5
Estimated fair value	6,132	6,540
Mortgage-backed Securities-Multi-family [Member]
Available-for-sale debt securities [Abstract]
Amortized cost	22,357	22,594
Gross unrealized gains	1,125	1,285
Gross unrealized losses	2	0
Estimated fair value	23,480	23,879
Asset-backed Securities [Member]
Available-for-sale debt securities [Abstract]
Amortized cost	4	5
Gross unrealized gains	0	0
Gross unrealized losses	0	0
Estimated fair value	4	5
Corporate Debt Securities [Member]
Available-for-sale debt securities [Abstract]
Amortized cost	4,024	4,028
Gross unrealized gains	96	129
Gross unrealized losses	0	0
Estimated fair value	4,120	4,157
U.S. Government Sponsored Enterprises [Member]
Held-to-maturity securities [Abstract]
Amortized cost	2,000	2,000
Gross unrealized gains	2	32
Gross unrealized losses	0	0
Estimated fair value	2,002	2,032
State and Political Subdivisions [Member]
Held-to-maturity securities [Abstract]
Amortized cost	103,351	99,040
Gross unrealized gains	4,622	5,003
Gross unrealized losses	13	3
Estimated fair value	107,960	104,040
Mortgage-backed Securities-Residential [Member]
Held-to-maturity securities [Abstract]
Amortized cost	12,500	13,543
Gross unrealized gains	505	606
Gross unrealized losses	0	0
Estimated fair value	13,005	14,149
Mortgage-backed Securities-Multi-family [Member]
Held-to-maturity securities [Abstract]
Amortized cost	86,609	87,204
Gross unrealized gains	3,040	3,471
Gross unrealized losses	9	4
Estimated fair value	89,640	90,671
Corporate Debt Securities [Member]
Held-to-maturity securities [Abstract]
Amortized cost	1,000	1,000
Gross unrealized gains	4	0
Gross unrealized losses	0	0
Estimated fair value	1,004	1,000
Other Securities [Member]
Held-to-maturity securities [Abstract]
Amortized cost	2,141	2,148
Gross unrealized gains	15	18
Gross unrealized losses	1	0
Estimated fair value	$ 2,155	$ 2,166