Loans (Details 6) (USD $) In Thousands, unless otherwise specified	9 Months Ended	12 Months Ended
	Sep. 30, 2012	Dec. 31, 2011
Recorded Investment	$ 16,503	$ 26,635
Allowances For Loan Losses Allocated	1,454	2,360
Commercial Loan [Member] | Interest Only Payments [Member]
Recorded Investment		500
Allowances For Loan Losses Allocated		24
Commercial Loan [Member] | Extended Maturity [Member]
Recorded Investment	177	489
Allowances For Loan Losses Allocated	4	281
Commercial Loan [Member] | Multiple Modifications [Member]
Recorded Investment	167	332
Allowances For Loan Losses Allocated	0	12
Construction Loans [Member] | Extended Maturity [Member]
Recorded Investment	446	926
Allowances For Loan Losses Allocated	92	320
Construction Loans [Member] | Multiple Modifications [Member]
Recorded Investment	5,316	5,333
Allowances For Loan Losses Allocated	667	80
Commercial Real Estate [Member] | Owner Occupied Non Farm Residential [Member]
Recorded Investment	197	8,710
Allowances For Loan Losses Allocated	0	887
Commercial Real Estate [Member] | Other Non Farm and Non Residential Interest Rate Reduction [Member]
Recorded Investment	8,070	8,070
Allowances For Loan Losses Allocated	593	616
Commercial Real Estate [Member] | Other Non Farm and Non Residential Interest Only Payments [Member]
Recorded Investment	202	206
Allowances For Loan Losses Allocated	2	4
Commercial Real Estate [Member] | Other Non Farm and Non Residential Multile Modifications [Member]
Recorded Investment	1,127	1,127
Allowances For Loan Losses Allocated	0	87
Residential Real Estate [Member] | Interest Rate Reduction [Member]
Recorded Investment	97	100
Allowances For Loan Losses Allocated	7	7
Residential Real Estate [Member] | Interest Only Payments [Member]
Recorded Investment		124
Allowances For Loan Losses Allocated		8
Residential Real Estate [Member] | Extended Maturity [Member]
Recorded Investment	306	307
Allowances For Loan Losses Allocated	30	4
Residential Real Estate [Member] | Multiple Modifications [Member]
Recorded Investment	369	373
Allowances For Loan Losses Allocated	57	29
Residential Real Estate [Member] | Home Equity [Member]
Recorded Investment	29	30
Allowances For Loan Losses Allocated	2	1
Consumer Loan [Member] | Other Non Farm and Non Residential Interest Rate Reduction [Member]
Recorded Investment		8
Allowances For Loan Losses Allocated		$ 0