Securities, Securities by Contractual Maturity (Details) (USD $)	Mar. 31, 2015	Dec. 31, 2014	Jun. 30, 2014
Available-for-sale Debt Securities, Amortized Cost [Abstract]
Within one year	$ 27,200,000
After one year through five years	7,191,000
After five years through ten years	2,596,000
After ten years	0
Total available for sale debt securities	36,987,000
Mortgage-backed and asset-backed securities	33,792,000
Equity securities	62,000		62,000
Amortized cost	70,841,000		55,473,000
Available-for-sale Debt Securities, Fair Value [Abstract]
Within one year	27,236,000
After one through five years	7,576,000
After five through ten years	2,748,000
After ten years	0
Total available-for-sale debt securities	37,560,000
Mortgage-backed and asset-backed securities	34,512,000
Equity securities	135,000		160,000
Estimated fair value	72,207,000		56,151,000
Held-to-maturity Debt Securities, Amortized Cost [Abstract]
Within one year	24,659,000
After one year through five years	45,129,000
After five years through ten years	19,164,000
After ten years	8,128,000
Total held-to-maturity debt securities	97,080,000
Mortgage-backed	80,893,000
Amortized cost	177,973,000		181,946,000
Held-to-maturity Debt Securities, Fair Value [Abstract]
Within one year	24,680,000
After one year through five years	45,515,000
After five years through ten years	19,364,000
After ten years	8,177,000
Total held-to-maturity debt securities	97,736,000
Mortgage-backed securities	82,530,000
Estimated Fair Value	180,266,000		181,932,000
Total Securities [Abstract]
Amortized cost	248,814,000		237,419,000
Estimated fair value	252,473,000		238,083,000
Securities pledged as collateral for deposits in excess of FDIC insurance limits, fair value	219,500,000	210,000,000
Securities pledged as collateral for potential borrowings at the Federal Reserve Bank discount window	$ 4,800,000	$ 5,200,000