Securities, Securities by Contractual Maturity (Details) - USD ($) $ in Thousands	Sep. 30, 2016	Jun. 30, 2016
Available-for-sale Debt Securities, Amortized Cost [Abstract]
Within one year	$ 53,409
After one year through five years	7,647
After five years through ten years	0
After ten years	0
Total available for sale debt securities	61,056
Mortgage-backed and asset-backed securities	28,332
Equity securities	62	$ 62
Amortized cost	89,450	98,127
Available-for-sale Debt Securities, Fair Value [Abstract]
Within one year	53,429
After one through five years	7,999
After five through ten years	0
After ten years	0
Total available-for-sale debt securities	61,428
Mortgage-backed and asset-backed securities	29,616
Equity securities	161	152
Estimated fair value	91,205	100,123
Held-to-maturity Debt Securities, Amortized Cost [Abstract]
Within one year	14,965
After one year through five years	54,258
After five years through ten years	27,985
After ten years	11,284
Total held-to-maturity debt securities	108,492
Mortgage-backed	99,109
Amortized cost	207,601	204,935
Held-to-maturity Debt Securities, Fair Value [Abstract]
Within one year	15,224
After one year through five years	55,949
After five years through ten years	29,590
After ten years	12,358
Total held-to-maturity debt securities	113,121
Mortgage-backed	102,645
Estimated fair value	215,766	214,058
Total Securities [Abstract]
Amortized cost	297,051	303,062
Estimated fair value	306,971	314,181
Securities pledged as collateral for deposits in excess of FDIC insurance limits, fair value	287,400	291,600
Securities pledged as collateral for potential borrowings at the Federal Reserve Bank discount window	$ 4,100	$ 4,200