Segment Reporting - Schedule of Segment Reporting Information (Details) - USD ($)	3 Months Ended								12 Months Ended
	Dec. 31, 2015	Sep. 30, 2015	Jun. 30, 2015	Mar. 31, 2015	Dec. 31, 2014	Sep. 30, 2014	Jun. 30, 2014	Mar. 31, 2014	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Net Interest Income (expense) external customers									$ 14,112,000	$ 13,357,000	$ 12,812,000
Net intersegment interest income (expense)									0	0	0
Net Interest Income	$ 3,593,000	$ 3,564,000	$ 3,574,000	$ 3,380,000	$ 3,396,000	$ 3,416,000	$ 3,392,000	$ 3,153,000	14,111,519	13,356,745	12,811,906
Provision for Loan Losses	0	51,000	45,000	45,000	75,000	75,000	75,000	105,000	141,300	330,000	420,000
Noninterest Income (expense) external customers									4,260,000	4,986,000	5,091,000
Intersegment noninterest income (expense)									0	0	0
Total Noninterest Income	1,046,000	1,008,000	1,045,000	1,161,000	1,115,000	1,283,000	1,246,000	1,342,000	4,260,177	4,986,438	5,091,171
Depreciation									961,964	890,812	897,849
Amortization of intangibles									15,625	44,931	215,700
Other Noninterest expenses									2,831,433	2,878,991	2,650,599
Total Noninterest expenses	3,590,000	3,459,000	3,493,000	3,487,000	3,625,000	3,612,000	3,630,000	3,503,000	14,029,597	14,369,796	14,346,069
Pre-tax Income									4,201,000	3,643,000	3,137,000
Provision (benefit) for income taxes	206,000	205,000	216,000	200,000	149,000	208,000	196,000	186,000	827,164	739,557	364,664
Net Income	843,000	$ 857,000	$ 865,000	$ 809,000	662,000	$ 804,000	$ 737,000	$ 701,000	3,373,635	2,903,830	2,772,344
Assets	414,855,470				374,280,210				414,855,470	374,280,210	373,895,000
Expenditures for Fixed Assets									371,000	2,312,000	1,106,000
Retail And Commercial Banking [Member]
Net Interest Income (expense) external customers									11,888,000	11,376,000	11,332,000
Net intersegment interest income (expense)									1,901,000	1,662,000	1,196,000
Net Interest Income									13,789,000	13,038,000	12,528,000
Provision for Loan Losses									141,000	330,000	420,000
Noninterest Income (expense) external customers									2,110,000	2,782,000	2,736,000
Intersegment noninterest income (expense)									(6,000)	(4,000)	(3,000)
Total Noninterest Income									2,104,000	2,778,000	2,733,000
Depreciation									767,000	698,000	674,000
Amortization of intangibles									0	28,000	182,000
Other Noninterest expenses									8,492,000	8,854,000	8,800,000
Total Noninterest expenses									9,259,000	9,580,000	9,656,000
Pre-tax Income									6,493,000	5,906,000	5,185,000
Provision (benefit) for income taxes									1,390,000	1,304,000	592,000
Net Income									5,103,000	4,602,000	4,593,000
Assets	453,406,000				404,679,000				453,406,000	404,679,000	394,034,000
Expenditures for Fixed Assets									353,000	2,162,000	1,058,000
Insurance Services [Member]
Net Interest Income (expense) external customers									0	0	0
Net intersegment interest income (expense)									6,000	4,000	3,000
Net Interest Income									6,000	4,000	3,000
Provision for Loan Losses									0	0	0
Noninterest Income (expense) external customers									1,371,000	1,316,000	1,319,000
Intersegment noninterest income (expense)									6,000	4,000	3,000
Total Noninterest Income									1,377,000	1,320,000	1,322,000
Depreciation									31,000	31,000	30,000
Amortization of intangibles									16,000	16,000	16,000
Other Noninterest expenses									1,203,000	1,231,000	1,158,000
Total Noninterest expenses									1,250,000	1,278,000	1,204,000
Pre-tax Income									133,000	46,000	121,000
Provision (benefit) for income taxes									28,000	10,000	17,000
Net Income									105,000	36,000	104,000
Assets	1,287,000				1,411,000				1,287,000	1,411,000	1,256,000
Expenditures for Fixed Assets									14,000	28,000	34,000
Wealth Strategies [Member]
Net Interest Income (expense) external customers									0	0	0
Net intersegment interest income (expense)									(5,000)	(5,000)	(4,000)
Net Interest Income									(5,000)	(5,000)	(4,000)
Provision for Loan Losses									0	0	0
Noninterest Income (expense) external customers									700,000	651,000	601,000
Intersegment noninterest income (expense)									35,000	35,000	13,000
Total Noninterest Income									735,000	686,000	614,000
Depreciation									23,000	21,000	24,000
Amortization of intangibles									0	1,000	18,000
Other Noninterest expenses									717,000	666,000	648,000
Total Noninterest expenses									740,000	688,000	690,000
Pre-tax Income									(10,000)	(7,000)	(80,000)
Provision (benefit) for income taxes									(10,000)	(10,000)	104,000
Net Income									0	3,000	(184,000)
Assets	175,000				219,000				175,000	219,000	262,000
Expenditures for Fixed Assets									0	1,000	5,000
Financial Management [Member]
Net Interest Income (expense) external customers									2,212,000	1,972,000	1,475,000
Net intersegment interest income (expense)									(1,902,000)	(1,661,000)	(1,195,000)
Net Interest Income									310,000	311,000	280,000
Provision for Loan Losses									0	0	0
Noninterest Income (expense) external customers									78,000	234,000	388,000
Intersegment noninterest income (expense)									0	0	0
Total Noninterest Income									78,000	234,000	388,000
Depreciation									66,000	66,000	57,000
Amortization of intangibles									0	0	0
Other Noninterest expenses									687,000	656,000	600,000
Total Noninterest expenses									753,000	722,000	657,000
Pre-tax Income									(365,000)	(177,000)	11,000
Provision (benefit) for income taxes									(81,000)	(40,000)	1,000
Net Income									(284,000)	(137,000)	10,000
Assets	149,830,000				139,175,000				149,830,000	139,175,000	140,877,000
Expenditures for Fixed Assets									4,000	121,000	9,000
Inter-segment Elimination [Member]
Net Interest Income (expense) external customers									0	0	0
Net intersegment interest income (expense)									0	0	0
Net Interest Income									0	0	0
Provision for Loan Losses									0	0	0
Noninterest Income (expense) external customers									0	0	0
Intersegment noninterest income (expense)									0	(35,000)	(13,000)
Total Noninterest Income									(35,000)	(35,000)	(13,000)
Depreciation									(35,000)	0	0
Amortization of intangibles									0	0	0
Other Noninterest expenses									0	0	0
Total Noninterest expenses									0	0	0
Pre-tax Income									(35,000)	(35,000)	(13,000)
Provision (benefit) for income taxes									0	0	0
Net Income									(35,000)	(35,000)	(13,000)
Assets	(190,875,000)				(171,855,000)				(190,875,000)	(171,855,000)	(163,121,000)
Expenditures for Fixed Assets									0	0	0
Other [Member]
Net Interest Income (expense) external customers									12,000	9,000	5,000
Net intersegment interest income (expense)									0	0	0
Net Interest Income									12,000	9,000	5,000
Provision for Loan Losses									0	0
Noninterest Income (expense) external customers									1,000	3,000	47,000
Intersegment noninterest income (expense)									0	0	0
Total Noninterest Income									1,000	3,000	47,000
Depreciation									75,000	75,000	113,000
Amortization of intangibles									0	0	0
Other Noninterest expenses									1,953,000	2,027,000	2,026,000
Total Noninterest expenses									2,028,000	2,102,000	2,139,000
Pre-tax Income									(2,015,000)	(2,090,000)	(2,087,000)
Provision (benefit) for income taxes									(500,000)	(525,000)	(349,000)
Net Income									(1,515,000)	(1,565,000)	(1,738,000)
Assets	$ 1,032,000				$ 651,000				1,032,000	651,000	584,000
Expenditures for Fixed Assets									$ 0	$ 0	$ 0