Impaired Loans (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Financing Receivable, Impaired [Line Items]
Impaired Financing Receivable, Unpaid Principal Balance	$ 7,826	$ 14,598
Impaired Financing Receivable, Charge-off And Payments Applied	(2,261)	(4,063)
Impaired Financing Receivable, Recorded Investment	5,565	10,535
Impaired Financing Receivable, Related Allowance	260	263
Commercial and Industrial Loans [Member]
Financing Receivable, Impaired [Line Items]
Impaired Financing Receivable, with No Related Allowance, Unpaid Principal Balance	124	169
Impaired Financing Receivable, with No Related Allowance, Charge-off And Payments Applied	0	0
Impaired Financing Receivable, with No Related Allowance, Recorded Investment	124	169
Impaired Financing Receivable, with Related Allowance, Unpaid Principal Balance	0	0
Impaired Financing Receivable, with Related Allowance, Charge-off And Payments Applied	0	0
Impaired Financing Receivable, with Related Allowance, Recorded Investment	0	0
Impaired Financing Receivable, With Related Allowance, Related Allowance	0	0
Impaired Financing Receivable, Average Recorded Investment [Abstract]
Impaired Financing Receivable, Average Recorded Investment	188	194	316
Impaired Financing Receivable, Interest Income, Accrual Method	9	13	9
Construction And Land Development Loans [Member]
Financing Receivable, Impaired [Line Items]
Impaired Financing Receivable, with No Related Allowance, Unpaid Principal Balance	2,879	2,879
Impaired Financing Receivable, with No Related Allowance, Charge-off And Payments Applied	(1,682)	(1,682)
Impaired Financing Receivable, with No Related Allowance, Recorded Investment	1,197	1,197
Impaired Financing Receivable, with Related Allowance, Unpaid Principal Balance	452	471
Impaired Financing Receivable, with Related Allowance, Charge-off And Payments Applied	(67)	(45)
Impaired Financing Receivable, with Related Allowance, Recorded Investment	385	426
Impaired Financing Receivable, With Related Allowance, Related Allowance	88	129
Impaired Financing Receivable, Average Recorded Investment [Abstract]
Impaired Financing Receivable, Average Recorded Investment	1,603	3,888	4,136
Impaired Financing Receivable, Interest Income, Accrual Method	0	0	0
Commercial Real Estate Owner Occupied Loans [Member]
Financing Receivable, Impaired [Line Items]
Impaired Financing Receivable, with No Related Allowance, Unpaid Principal Balance	1,217	787
Impaired Financing Receivable, with No Related Allowance, Charge-off And Payments Applied	(190)	(212)
Impaired Financing Receivable, with No Related Allowance, Recorded Investment	1,027	575
Impaired Financing Receivable, with Related Allowance, Unpaid Principal Balance	875	899
Impaired Financing Receivable, with Related Allowance, Charge-off And Payments Applied	0	0
Impaired Financing Receivable, with Related Allowance, Recorded Investment	875	899
Impaired Financing Receivable, With Related Allowance, Related Allowance	110	134
Impaired Financing Receivable, Average Recorded Investment [Abstract]
Impaired Financing Receivable, Average Recorded Investment	1,972	2,449	1,828
Impaired Financing Receivable, Interest Income, Accrual Method	51	64	24
Commercial Real Estate Other Loans [Member]
Financing Receivable, Impaired [Line Items]
Impaired Financing Receivable, with No Related Allowance, Unpaid Principal Balance	518	7,914
Impaired Financing Receivable, with No Related Allowance, Charge-off And Payments Applied	(89)	(1,862)
Impaired Financing Receivable, with No Related Allowance, Recorded Investment	429	6,052
Impaired Financing Receivable, with Related Allowance, Unpaid Principal Balance	602	0
Impaired Financing Receivable, with Related Allowance, Charge-off And Payments Applied	0	0
Impaired Financing Receivable, with Related Allowance, Recorded Investment	602	0
Impaired Financing Receivable, With Related Allowance, Related Allowance	62	0
Impaired Financing Receivable, Average Recorded Investment [Abstract]
Impaired Financing Receivable, Average Recorded Investment	1,454	2,621	2,374
Impaired Financing Receivable, Interest Income, Accrual Method	12	0	0
Commercial Real Estate Loans, Total [Member]
Financing Receivable, Impaired [Line Items]
Impaired Financing Receivable, with No Related Allowance, Unpaid Principal Balance	1,735	8,701
Impaired Financing Receivable, with No Related Allowance, Charge-off And Payments Applied	(279)	(2,074)
Impaired Financing Receivable, with No Related Allowance, Recorded Investment	1,456	6,627
Impaired Financing Receivable, with Related Allowance, Unpaid Principal Balance	1,477	899
Impaired Financing Receivable, with Related Allowance, Charge-off And Payments Applied	0	0
Impaired Financing Receivable, with Related Allowance, Recorded Investment	1,477	899
Impaired Financing Receivable, With Related Allowance, Related Allowance	172	134
Impaired Financing Receivable, Average Recorded Investment [Abstract]
Impaired Financing Receivable, Average Recorded Investment	3,426	5,070	4,202
Impaired Financing Receivable, Interest Income, Accrual Method	63	64	24
Residential Real Estate Consumer Mortgage Loans [Member]
Financing Receivable, Impaired [Line Items]
Impaired Financing Receivable, with No Related Allowance, Unpaid Principal Balance	952	971
Impaired Financing Receivable, with No Related Allowance, Charge-off And Payments Applied	(198)	(152)
Impaired Financing Receivable, with No Related Allowance, Recorded Investment	754	819
Impaired Financing Receivable, with Related Allowance, Unpaid Principal Balance	0	0
Impaired Financing Receivable, with Related Allowance, Charge-off And Payments Applied	0	0
Impaired Financing Receivable, with Related Allowance, Recorded Investment	0	0
Impaired Financing Receivable, With Related Allowance, Related Allowance	0	0
Impaired Financing Receivable, Average Recorded Investment [Abstract]
Impaired Financing Receivable, Average Recorded Investment	786	861	1,376
Impaired Financing Receivable, Interest Income, Accrual Method	0	0	0
Residential Real Estate Investment Property Loans [Member]
Financing Receivable, Impaired [Line Items]
Impaired Financing Receivable, with No Related Allowance, Unpaid Principal Balance	207	508
Impaired Financing Receivable, with No Related Allowance, Charge-off And Payments Applied	(35)	(110)
Impaired Financing Receivable, with No Related Allowance, Recorded Investment	172	398
Impaired Financing Receivable, with Related Allowance, Unpaid Principal Balance	0	0
Impaired Financing Receivable, with Related Allowance, Charge-off And Payments Applied	0	0
Impaired Financing Receivable, with Related Allowance, Recorded Investment	0	0
Impaired Financing Receivable, With Related Allowance, Related Allowance	0	0
Impaired Financing Receivable, Average Recorded Investment [Abstract]
Impaired Financing Receivable, Average Recorded Investment	274	652	146
Impaired Financing Receivable, Interest Income, Accrual Method	0	0	0
Residential Real Estate Loans, Total [Member]
Financing Receivable, Impaired [Line Items]
Impaired Financing Receivable, with No Related Allowance, Unpaid Principal Balance	1,159	1,479
Impaired Financing Receivable, with No Related Allowance, Charge-off And Payments Applied	(233)	(262)
Impaired Financing Receivable, with No Related Allowance, Recorded Investment	926	1,217
Impaired Financing Receivable, with Related Allowance, Unpaid Principal Balance	0	0
Impaired Financing Receivable, with Related Allowance, Charge-off And Payments Applied	0	0
Impaired Financing Receivable, with Related Allowance, Recorded Investment	0	0
Impaired Financing Receivable, With Related Allowance, Related Allowance	0	0
Impaired Financing Receivable, Average Recorded Investment [Abstract]
Impaired Financing Receivable, Average Recorded Investment	1,060	1,513	1,522
Impaired Financing Receivable, Interest Income, Accrual Method	0	0	0
Consumer Installment and Revolving Loans [Member]
Financing Receivable, Impaired [Line Items]
Impaired Financing Receivable, with No Related Allowance, Unpaid Principal Balance	0	0
Impaired Financing Receivable, with No Related Allowance, Charge-off And Payments Applied	0	0
Impaired Financing Receivable, with No Related Allowance, Recorded Investment	0	0
Impaired Financing Receivable, with Related Allowance, Unpaid Principal Balance	0	0
Impaired Financing Receivable, with Related Allowance, Charge-off And Payments Applied	0	0
Impaired Financing Receivable, with Related Allowance, Recorded Investment	0	0
Impaired Financing Receivable, With Related Allowance, Related Allowance	0	0
Impaired Financing Receivable, Average Recorded Investment [Abstract]
Impaired Financing Receivable, Average Recorded Investment	0	0	0
Impaired Financing Receivable, Interest Income, Accrual Method	0	0	0
Total For Impaired Loans [Member]
Financing Receivable, Impaired [Line Items]
Impaired Financing Receivable, with No Related Allowance, Unpaid Principal Balance	5,897	13,228
Impaired Financing Receivable, with No Related Allowance, Charge-off And Payments Applied	(2,194)	(4,018)
Impaired Financing Receivable, with No Related Allowance, Recorded Investment	3,703	9,210
Impaired Financing Receivable, with Related Allowance, Unpaid Principal Balance	1,929	1,370
Impaired Financing Receivable, with Related Allowance, Charge-off And Payments Applied	(67)	(45)
Impaired Financing Receivable, with Related Allowance, Recorded Investment	1,862	1,325
Impaired Financing Receivable, With Related Allowance, Related Allowance	260	263
Impaired Financing Receivable, Average Recorded Investment [Abstract]
Impaired Financing Receivable, Average Recorded Investment	6,277	10,665	10,176
Impaired Financing Receivable, Interest Income, Accrual Method	$ 72	$ 77	$ 33