Loans, Net Loans modified in TDR by class of loan (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2014 loan	Sep. 30, 2013 loan	Sep. 30, 2014 loan	Sep. 30, 2013 loan
Loans modified in a TDR by class of loan [Abstract]
Number of Contracts	0	11	5	20
Pre-Modification Outstanding Recorded Investment	$ 0	$ 3,096	$ 1,390	$ 5,492
Post-Modification Outstanding Recorded Investment	0	2,752	1,315	5,080
Real Estate Loans [Member]
Loans modified in a TDR by class of loan [Abstract]
Number of Contracts	0	10	5	18
Pre-Modification Outstanding Recorded Investment	0	3,046	1,390	4,975
Post-Modification Outstanding Recorded Investment	0	2,703	1,315	4,565
Real Estate Loans Construction [Member]
Loans modified in a TDR by class of loan [Abstract]
Number of Contracts	0	1	0	2
Pre-Modification Outstanding Recorded Investment	0	45	0	557
Post-Modification Outstanding Recorded Investment	0	41	0	514
Real Estate Loans Secured by farmland [Member]
Loans modified in a TDR by class of loan [Abstract]
Number of Contracts	0	0	0	0
Pre-Modification Outstanding Recorded Investment	0	0	0	0
Post-Modification Outstanding Recorded Investment	0	0	0	0
Real Estate Loans Secured by 1 - 4 family residential [Member]
Loans modified in a TDR by class of loan [Abstract]
Number of Contracts	0	6	4	11
Pre-Modification Outstanding Recorded Investment	0	2,300	1,190	3,549
Post-Modification Outstanding Recorded Investment	0	1,986	1,142	3,227
Other real estate loans [Member]
Loans modified in a TDR by class of loan [Abstract]
Number of Contracts	0	3	1	5
Pre-Modification Outstanding Recorded Investment	0	701	200	869
Post-Modification Outstanding Recorded Investment	0	676	173	824
Commercial loans [Member]
Loans modified in a TDR by class of loan [Abstract]
Number of Contracts	0	1	0	2
Pre-Modification Outstanding Recorded Investment	0	50	0	517
Post-Modification Outstanding Recorded Investment	0	49	0	515
Consumer loans [Member]
Loans modified in a TDR by class of loan [Abstract]
Number of Contracts	0	0	0	0
Pre-Modification Outstanding Recorded Investment	0	0	0	0
Post-Modification Outstanding Recorded Investment	$ 0	$ 0	$ 0	$ 0