Securities, Unrealized Gain (Loss) on Investments (Details) - USD ($) $ in Thousands	Mar. 31, 2016	Jun. 30, 2015
Available-for-sale debt securities [Abstract]
Amortized cost	$ 101,539	$ 84,824
Gross unrealized gains	1,573	1,139
Gross unrealized losses	21	66
Estimated fair value	103,091	85,897
Available-for-sale equity securities and other [Abstract]
Amortized cost	62	62
Gross unrealized gains	93	75
Gross unrealized losses	0	0
Estimated fair value	155	137
Available-for-sale securities [Abstract]
Amortized cost	101,601	84,886
Gross unrealized gains	1,666	1,214
Gross unrealized losses	21	66
Estimated fair value	103,246	86,034
Held-to-maturity securities [Abstract]
Amortized cost	191,576	169,000
Gross unrealized gains	6,107	3,895
Gross unrealized losses	31	919
Estimated fair value	197,652	171,976
Total Securities [Abstract]
Amortized cost	293,177	253,886
Gross unrealized gains	7,773	5,109
Gross unrealized losses	52	985
Estimated fair value	300,898	258,010
U.S. Government Sponsored Enterprises [Member]
Available-for-sale debt securities [Abstract]
Amortized cost	4,592	7,608
Gross unrealized gains	293	247
Gross unrealized losses	0	0
Estimated fair value	4,885	7,855
State and Political Subdivisions [Member]
Available-for-sale debt securities [Abstract]
Amortized cost	63,238	39,574
Gross unrealized gains	8	9
Gross unrealized losses	0	1
Estimated fair value	63,246	39,582
Mortgage-backed Securities-Residential [Member]
Available-for-sale debt securities [Abstract]
Amortized cost	6,738	7,797
Gross unrealized gains	159	155
Gross unrealized losses	13	10
Estimated fair value	6,884	7,942
Mortgage-backed Securities-Multi-family [Member]
Available-for-sale debt securities [Abstract]
Amortized cost	22,933	25,291
Gross unrealized gains	959	486
Gross unrealized losses	1	42
Estimated fair value	23,891	25,735
Asset-backed Securities [Member]
Available-for-sale debt securities [Abstract]
Amortized cost	5	10
Gross unrealized gains	0	0
Gross unrealized losses	1	1
Estimated fair value	4	9
Corporate Debt Securities [Member]
Available-for-sale debt securities [Abstract]
Amortized cost	4,033	4,544
Gross unrealized gains	154	242
Gross unrealized losses	6	12
Estimated fair value	4,181	4,774
U.S. Government Sponsored Enterprises [Member]
Held-to-maturity securities [Abstract]
Amortized cost	2,000	2,000
Gross unrealized gains	14	0
Gross unrealized losses	0	49
Estimated fair value	2,014	1,951
State and Political Subdivisions [Member]
Held-to-maturity securities [Abstract]
Amortized cost	97,729	81,501
Gross unrealized gains	3,410	2,137
Gross unrealized losses	7	187
Estimated fair value	101,132	83,451
Mortgage-backed Securities-Residential [Member]
Held-to-maturity securities [Abstract]
Amortized cost	15,072	17,468
Gross unrealized gains	621	768
Gross unrealized losses	0	0
Estimated fair value	15,693	18,236
Mortgage-backed Securities-Multi-family [Member]
Held-to-maturity securities [Abstract]
Amortized cost	73,587	67,239
Gross unrealized gains	2,047	990
Gross unrealized losses	23	665
Estimated fair value	75,611	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	2,188	792
Gross unrealized gains	15	0
Gross unrealized losses	1	18
Estimated fair value	$ 2,202	$ 774