Loans (Allowance for Credit Losses on Financing Receivables) (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended		12 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014	Dec. 31, 2014
Allowance for loan losses:
Beginning Balance	$ 8,621	$ 8,197	$ 8,481	$ 8,138	$ 8,138
Charge-offs	(299)	(748)	(345)	(898)	(2,642)
Recoveries	43	38	51	44	332
Provisions	392	563	570	766	2,653
Ending Balance	8,757	8,050	8,757	8,050	8,481
Ending balance: individually evaluated for impairment	1,473	859	1,473	859	451
Ending balance: collectively evaluated for impairment	7,284	7,191	7,284	7,191	8,030
Loan receivables:
Loans	895,839	846,258	895,839	846,258	872,129
Ending balance: individually evaluated for impairment	43,203	32,766	43,203	32,766	49,709
Ending balance: collectively evaluated for impairment	852,636	813,492	852,636	813,492	822,420
Commercial Equipment [Member]
Allowance for loan losses:
Beginning Balance	320	293	389	453	453
Charge-offs	(54)		(54)		(10)
Recoveries	1	24	4	24	25
Provisions	967	71	895	(89)	(79)
Ending Balance	1,234	388	1,234	388	389
Ending balance: individually evaluated for impairment	1,021	90	1,021	90	123
Ending balance: collectively evaluated for impairment	213	298	213	298	266
Loan receivables:
Loans	26,804	25,876	26,804	25,876	26,152
Ending balance: individually evaluated for impairment	1,389	380	1,389	380	586
Ending balance: collectively evaluated for impairment	25,415	25,496	25,415	25,496	25,566
Commercial Loans [Member]
Allowance for loan losses:
Beginning Balance	1,740	2,115	1,677	1,916	1,916
Charge-offs	(215)	(720)	(215)	(755)	(1,134)
Recoveries	6	2	7	3	5
Provisions	(165)	338	(103)	571	890
Ending Balance	1,366	1,735	1,366	1,735	1,677
Ending balance: individually evaluated for impairment	227	269	227	269	155
Ending balance: collectively evaluated for impairment	1,139	1,466	1,139	1,466	1,522
Loan receivables:
Loans	63,480	77,583	63,480	77,583	73,625
Ending balance: individually evaluated for impairment	5,080	5,380	5,080	5,380	7,436
Ending balance: collectively evaluated for impairment	58,400	72,203	58,400	72,203	66,189
Consumer Loans [Member]
Allowance for loan losses:
Beginning Balance	2	6	3	10	10
Charge-offs					(3)
Recoveries		10		10	11
Provisions		(12)	(1)	(16)	(15)
Ending Balance	2	4	2	4	3
Ending balance: collectively evaluated for impairment	2	4	2	4	3
Loan receivables:
Loans	396	736	396	736	613
Ending balance: individually evaluated for impairment		5		5
Ending balance: collectively evaluated for impairment	396	731	396	731	613
Home Equity and Second Mortgage [Member]
Allowance for loan losses:
Beginning Balance	208	340	173	249	249
Charge-offs					(59)
Recoveries					10
Provisions	(2)	(57)	33	34	(27)
Ending Balance	206	283	206	283	173
Ending balance: individually evaluated for impairment		33		33
Ending balance: collectively evaluated for impairment	206	250	206	250	173
Loan receivables:
Loans	21,068	21,225	21,068	21,225	21,452
Ending balance: individually evaluated for impairment	429	403	429	403	649
Ending balance: collectively evaluated for impairment	20,639	20,822	20,639	20,822	20,803
Construction and Land Development [Member]
Allowance for loan losses:
Beginning Balance	1,099	561	1,071	584	584
Charge-offs					(992)
Recoveries	32		32		84
Provisions	74	12	102	(11)	1,395
Ending Balance	1,205	573	1,205	573	1,071
Ending balance: individually evaluated for impairment		81		81
Ending balance: collectively evaluated for impairment	1,205	492	1,205	492	1,071
Loan receivables:
Loans	39,159	32,086	39,159	32,086	36,370
Ending balance: individually evaluated for impairment	4,329	6,049	4,329	6,049	6,102
Ending balance: collectively evaluated for impairment	34,830	26,037	34,830	26,037	30,268
Residential Mortgage [Member]
Allowance for loan losses:
Beginning Balance	904	1,272	1,092	1,401	1,401
Charge-offs	(30)		(30)	(94)	(94)
Recoveries			1		186
Provisions	11	(182)	(178)	(217)	(401)
Ending Balance	885	1,090	885	1,090	1,092
Ending balance: individually evaluated for impairment	75	75	75	75	76
Ending balance: collectively evaluated for impairment	810	1,015	810	1,015	1,016
Loan receivables:
Loans	143,662	156,833	143,662	156,833	152,837
Ending balance: individually evaluated for impairment	3,996	3,078	3,996	3,078	3,407
Ending balance: collectively evaluated for impairment	139,666	153,755	139,666	153,755	149,430
Commercial Real Estate [Member]
Allowance for loan losses:
Beginning Balance	4,348	3,610	4,076	3,525	3,525
Charge-offs		(28)	(46)	(49)	(350)
Recoveries	4	2	7	7	11
Provisions	(493)	393	(178)	494	890
Ending Balance	3,859	3,977	3,859	3,977	4,076
Ending balance: individually evaluated for impairment	150	311	150	311	97
Ending balance: collectively evaluated for impairment	3,709	3,666	3,709	3,666	3,979
Loan receivables:
Loans	601,270	531,919	601,270	531,919	561,080
Ending balance: individually evaluated for impairment	27,980	17,471	27,980	17,471	31,529
Ending balance: collectively evaluated for impairment	$ 573,290	$ 514,448	$ 573,290	$ 514,448	$ 529,551