Securities, Securities by Contractual Maturity (Details) - USD ($) $ in Thousands	Sep. 30, 2015	Jun. 30, 2015
Available-for-sale Debt Securities, Amortized Cost [Abstract]
Within one year	$ 53,508
After one year through five years	9,442
After five years through ten years	0
After ten years	0
Total available for sale debt securities	62,950
Mortgage-backed and asset-backed securities	31,542
Equity securities	62	$ 62
Amortized cost	94,554	84,886
Available-for-sale Debt Securities, Fair Value [Abstract]
Within one year	53,522
After one through five years	9,902
After five through ten years	0
After ten years	0
Total available-for-sale debt securities	63,424
Mortgage-backed and asset-backed securities	32,194
Equity securities	139	137
Estimated fair value	95,757	86,034
Held-to-maturity Debt Securities, Amortized Cost [Abstract]
Within one year	12,893
After one year through five years	48,370
After five years through ten years	21,743
After ten years	8,245
Total held-to-maturity debt securities	91,251
Mortgage-backed	83,309
Amortized cost	174,560	169,000
Held-to-maturity Debt Securities, Fair Value [Abstract]
Within one year	13,125
After one year through five years	49,779
After five years through ten years	22,606
After ten years	8,912
Total held-to-maturity debt securities	94,422
Mortgage-backed securities	84,538
Estimated Fair Value	178,960	171,976
Total Securities [Abstract]
Amortized cost	269,114	253,886
Estimated fair value	274,717	258,010
Securities pledged as collateral for deposits in excess of FDIC insurance limits, fair value	242,800	223,100
Securities pledged as collateral for potential borrowings at the Federal Reserve Bank discount window	$ 4,700	$ 4,800