Allowance for Loan Losses (Details 5) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011 Contract
Non Default [Member]
Loans modified in TDR
Number of contracts	53	49
Recorded Investment	$ 5,441	$ 6,723
Non Default [Member] | Land, Farmland, Ag Loans [Member]
Loans modified in TDR
Number of contracts	2	2
Recorded Investment	623	1,203
Non Default [Member] | Residential - prime [Member]
Loans modified in TDR
Number of contracts	26	11
Recorded Investment	2,891	572
Non Default [Member] | Residential - subprime [Member]
Loans modified in TDR
Number of contracts	13	24
Recorded Investment	1,413	1,944
Non Default [Member] | Commercial [Member]
Loans modified in TDR
Number of contracts	0	6
Recorded Investment	0	1,472
Non Default [Member] | Consumer Other [Member]
Loans modified in TDR
Number of contracts	11	2
Recorded Investment	439	70
Non Default [Member] | Commercial and Industrial [Member]
Loans modified in TDR
Number of contracts	0	3
Recorded Investment	0	196
Non Default [Member] | Multi-Family [Member]
Loans modified in TDR
Number of contracts	1	1
Recorded Investment	75	1,266
Default [Member]
Loans modified in TDR
Number of contracts	16	44
Recorded Investment	1,213	413
Default [Member] | Land, Farmland, Ag Loans [Member]
Loans modified in TDR
Number of contracts	1	0
Recorded Investment	65	0
Default [Member] | Residential - prime [Member]
Loans modified in TDR
Number of contracts	8	0
Recorded Investment	518	0
Default [Member] | Residential - subprime [Member]
Loans modified in TDR
Number of contracts	6	2
Recorded Investment	561	91
Default [Member] | Consumer [Member]
Loans modified in TDR
Number of contracts	1	1
Recorded Investment	69	254
Default [Member] | Commercial and Industrial [Member]
Loans modified in TDR
Number of contracts	0	1
Recorded Investment	$ 0	$ 68