Securities, Securities by Contractual Maturity (Details) - USD ($) $ in Thousands	Dec. 31, 2015	Jun. 30, 2015
Available-for-sale Debt Securities, Amortized Cost [Abstract]
Within one year	$ 54,068
After one year through five years	8,179
After five years through ten years	0
After ten years	0
Total available for sale debt securities	62,247
Mortgage-backed and asset-backed securities	30,160
Equity securities	62	$ 62
Amortized cost	92,469	84,886
Available-for-sale Debt Securities, Fair Value [Abstract]
Within one year	54,113
After one through five years	8,497
After five through ten years	0
After ten years	0
Total available-for-sale debt securities	62,610
Mortgage-backed and asset-backed securities	30,826
Equity securities	146	137
Estimated fair value	93,582	86,034
Held-to-maturity Debt Securities, Amortized Cost [Abstract]
Within one year	12,908
After one year through five years	51,013
After five years through ten years	22,290
After ten years	8,545
Total held-to-maturity debt securities	94,756
Mortgage-backed	82,798
Amortized cost	177,554	169,000
Held-to-maturity Debt Securities, Fair Value [Abstract]
Within one year	13,128
After one year through five years	52,355
After five years through ten years	23,308
After ten years	9,243
Total held-to-maturity debt securities	98,034
Mortgage-backed securities	84,029
Estimated Fair Value	182,063	171,976
Total Securities [Abstract]
Amortized cost	270,023	253,886
Estimated fair value	275,645	258,010
Securities pledged as collateral for deposits in excess of FDIC insurance limits, fair value	245,900	223,100
Securities pledged as collateral for potential borrowings at the Federal Reserve Bank discount window	$ 4,700	$ 4,800