Loans (Details 2) (USD $) In Thousands, unless otherwise specified	Jun. 30, 2014	Dec. 31, 2013
Ending allowance balance attributable to loans:
Individually evaluated for impairment	$ 1,358	$ 1,392
Collectively evaluated for impairment	23,269	23,558
Acquired with deteriorated credit quality	0	0
Total ending allowance balance	24,627	24,950
Loans:
Loans individually evaluated for impairment	49,577	57,441
Loans collectively evaluated for impairment	1,537,122	1,527,848
Loans acquired with deteriorated credit quality	194	230
Total ending loans balance	1,586,893	1,585,519
One to Four Family Residential Real Estate [Member]
Ending allowance balance attributable to loans:
Individually evaluated for impairment	182	220
Collectively evaluated for impairment	2,163	2,627
Acquired with deteriorated credit quality	0	0
Total ending allowance balance	2,345	2,847
Loans:
Loans individually evaluated for impairment	9,796	10,245
Loans collectively evaluated for impairment	190,502	185,923
Loans acquired with deteriorated credit quality	1	29
Total ending loans balance	200,299	196,197
Multi Family Residential Real Estate [Member]
Ending allowance balance attributable to loans:
Individually evaluated for impairment	0	0
Collectively evaluated for impairment	2,480	2,508
Acquired with deteriorated credit quality	0	0
Total ending allowance balance	2,480	2,508
Loans:
Loans individually evaluated for impairment	358	840
Loans collectively evaluated for impairment	150,782	148,294
Loans acquired with deteriorated credit quality	0	0
Total ending loans balance	151,140	149,134
Commercial Real Estate [Member]
Ending allowance balance attributable to loans:
Individually evaluated for impairment	1,129	1,121
Collectively evaluated for impairment	10,347	10,879
Acquired with deteriorated credit quality	0	0
Total ending allowance balance	11,476	12,000
Loans:
Loans individually evaluated for impairment	29,630	34,874
Loans collectively evaluated for impairment	623,996	637,657
Loans acquired with deteriorated credit quality	169	174
Total ending loans balance	653,795	672,705
Construction Loans [Member]
Ending allowance balance attributable to loans:
Individually evaluated for impairment	0	0
Collectively evaluated for impairment	199	134
Acquired with deteriorated credit quality	0	0
Total ending allowance balance	199	134
Loans:
Loans individually evaluated for impairment	262	263
Loans collectively evaluated for impairment	66,312	53,467
Loans acquired with deteriorated credit quality	0	0
Total ending loans balance	66,574	53,730
Commercial Loan [Member]
Ending allowance balance attributable to loans:
Individually evaluated for impairment	23	6
Collectively evaluated for impairment	6,176	5,672
Acquired with deteriorated credit quality	0	0
Total ending allowance balance	6,199	5,678
Loans:
Loans individually evaluated for impairment	7,385	8,737
Loans collectively evaluated for impairment	383,031	380,711
Loans acquired with deteriorated credit quality	24	27
Total ending loans balance	390,440	389,475
Home Equity and Home Improvement [Member]
Ending allowance balance attributable to loans:
Individually evaluated for impairment	24	45
Collectively evaluated for impairment	1,756	1,590
Acquired with deteriorated credit quality	0	0
Total ending allowance balance	1,780	1,635
Loans:
Loans individually evaluated for impairment	2,099	2,429
Loans collectively evaluated for impairment	106,760	104,958
Loans acquired with deteriorated credit quality	0	0
Total ending loans balance	108,859	107,387
Consumer Loan [Member]
Ending allowance balance attributable to loans:
Individually evaluated for impairment	0	0
Collectively evaluated for impairment	148	148
Acquired with deteriorated credit quality	0	0
Total ending allowance balance	148	148
Loans:
Loans individually evaluated for impairment	47	53
Loans collectively evaluated for impairment	15,739	16,838
Loans acquired with deteriorated credit quality	0	0
Total ending loans balance	$ 15,786	$ 16,891