Loans, Allowance for Loan Losses (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Allowance for loan losses [Roll Forward]
Beginning balance	$ 8,554	$ 10,408	$ 11,039
Provision for loan losses	1,200	3,276	5,138
Charge-offs	(1,218)	(5,895)	(6,642)
Recoveries	817	765	873
Net charge-offs	(401)	(5,130)	(5,769)
Ending balance	9,353	8,554	10,408
Allowance for loan loss allocations for impairments [Abstract]
Loans individually evaluated for impairment	1,125	1,072	1,648
Loans collectively evaluated for impairment	8,228	7,482	8,760
Ending balance	9,353	8,554	10,408
Loans individually and collectively evaluated for impairment [Abstract]
Loans individually evaluated for impairment	18,757	13,381	18,226
Loans collectively evaluated for impairment	496,245	434,847	424,773
Ending Balance	515,002	448,228	442,999
Commercial [Member]
Allowance for loan losses [Roll Forward]
Beginning balance	2,899	3,598	3,761
Provision for loan losses	91	2,493	2,033
Charge-offs	(168)	(3,498)	(2,381)
Recoveries	377	306	185
Net charge-offs	209	(3,192)	(2,196)
Ending balance	3,199	2,899	3,598
Allowance for loan loss allocations for impairments [Abstract]
Loans individually evaluated for impairment	83	95	101
Loans collectively evaluated for impairment	3,116	2,804	3,497
Ending balance	3,199	2,899	3,598
Loans individually and collectively evaluated for impairment [Abstract]
Loans individually evaluated for impairment	5,666	3,288	3,488
Loans collectively evaluated for impairment	104,978	85,522	88,426
Ending Balance	110,644	88,810	91,914
Commercial Real Estate [Member]
Allowance for loan losses [Roll Forward]
Beginning balance	1,723	1,747	1,957
Provision for loan losses	533	351	1,502
Charge-offs	(17)	(375)	(2,000)
Recoveries	51	0	288
Net charge-offs	34	(375)	(1,712)
Ending balance	2,290	1,723	1,747
Allowance for loan loss allocations for impairments [Abstract]
Loans individually evaluated for impairment	63	26	22
Loans collectively evaluated for impairment	2,227	1,697	1,725
Ending balance	2,290	1,723	1,747
Loans individually and collectively evaluated for impairment [Abstract]
Loans individually evaluated for impairment	3,729	3,042	4,269
Loans collectively evaluated for impairment	231,567	185,384	171,524
Ending Balance	235,296	188,426	175,793
Agriculture [Member]
Allowance for loan losses [Roll Forward]
Beginning balance	915	1,934	2,141
Provision for loan losses	(360)	(907)	511
Charge-offs	(1)	(116)	(860)
Recoveries	3	4	142
Net charge-offs	2	(112)	(718)
Ending balance	557	915	1,934
Allowance for loan loss allocations for impairments [Abstract]
Loans individually evaluated for impairment	0	0	0
Loans collectively evaluated for impairment	557	915	1,934
Ending balance	557	915	1,934
Loans individually and collectively evaluated for impairment [Abstract]
Loans individually evaluated for impairment	1,591	0	3,598
Loans collectively evaluated for impairment	50,139	52,747	48,466
Ending Balance	51,730	52,747	52,064
Residential Mortgage [Member]
Allowance for loan losses [Roll Forward]
Beginning balance	1,148	1,135	830
Provision for loan losses	244	877	566
Charge-offs	(333)	(864)	(272)
Recoveries	157	0	11
Net charge-offs	(176)	(864)	(261)
Ending balance	1,216	1,148	1,135
Allowance for loan loss allocations for impairments [Abstract]
Loans individually evaluated for impairment	701	417	731
Loans collectively evaluated for impairment	515	731	404
Ending balance	1,216	1,148	1,135
Loans individually and collectively evaluated for impairment [Abstract]
Loans individually evaluated for impairment	5,575	4,823	5,069
Loans collectively evaluated for impairment	47,234	46,443	46,517
Ending Balance	52,809	51,266	51,586
Residential Construction [Member]
Allowance for loan losses [Roll Forward]
Beginning balance	724	1,198	1,719
Provision for loan losses	(201)	(648)	(395)
Charge-offs	(127)	(167)	(197)
Recoveries	45	341	71
Net charge-offs	(82)	174	(126)
Ending balance	441	724	1,198
Allowance for loan loss allocations for impairments [Abstract]
Loans individually evaluated for impairment	254	433	668
Loans collectively evaluated for impairment	187	291	530
Ending balance	441	724	1,198
Loans individually and collectively evaluated for impairment [Abstract]
Loans individually evaluated for impairment	943	1,097	1,147
Loans collectively evaluated for impairment	9,501	6,489	6,345
Ending Balance	10,444	7,586	7,492
Consumer [Member]
Allowance for loan losses [Roll Forward]
Beginning balance	1,110	796	556
Provision for loan losses	301	1,075	996
Charge-offs	(572)	(875)	(932)
Recoveries	184	114	176
Net charge-offs	(388)	(761)	(756)
Ending balance	1,023	1,110	796
Allowance for loan loss allocations for impairments [Abstract]
Loans individually evaluated for impairment	24	101	126
Loans collectively evaluated for impairment	999	1,009	670
Ending balance	1,023	1,110	796
Loans individually and collectively evaluated for impairment [Abstract]
Loans individually evaluated for impairment	1,253	1,131	655
Loans collectively evaluated for impairment	52,826	58,262	63,495
Ending Balance	54,079	59,393	64,150
Unallocated [Member]
Allowance for loan losses [Roll Forward]
Beginning balance	35	0	75
Provision for loan losses	592	35	(75)
Charge-offs	0	0	0
Recoveries	0	0	0
Net charge-offs	0	0	0
Ending balance	627	35	0
Allowance for loan loss allocations for impairments [Abstract]
Loans individually evaluated for impairment	0	0	0
Loans collectively evaluated for impairment	627	35	0
Ending balance	$ 627	$ 35	$ 0