Allowance for Loan Losses (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2015		Dec. 31, 2014		Dec. 31, 2013
Allowance for loan losses [Roll Forward]
Beginning balance	$ 11,786	$ 13,320	$ 14,311
Adjustment for the sale of majority interest in consolidated subsidiary		(95)
Charge-offs	(3,691)	(4,308)	(1,381)
Recoveries	658	909	281
Provision	2,293	1,960	109
Ending balance	11,046	11,786	13,320
Ending allowance balance attributable to loans:
Individually evaluated for impairment				$ 2,664		$ 2,669		$ 4,655
Collectively evaluated for impairment				8,382		9,117		8,665
Total ending allowance balance	11,786	13,320	14,311	11,046		11,786		13,320
Loans:
Individually evaluated for impairment				20,844		22,158		24,696
Collectively evaluated for impairment				784,837		732,688		703,784
Total Loans				805,681	[1]	754,846	[1]	728,480
Real Estate Loans Construction [Member]
Allowance for loan losses [Roll Forward]
Beginning balance	550	847	1,258
Adjustment for the sale of majority interest in consolidated subsidiary		0
Charge-offs	0	(1,186)	(394)
Recoveries	246	258	68
Provision	109	631	(85)
Ending balance	905	550	847
Ending allowance balance attributable to loans:
Individually evaluated for impairment				53		66		486
Collectively evaluated for impairment				852		484		361
Total ending allowance balance	550	847	1,258	905		550		847
Loans:
Individually evaluated for impairment				203		246		2,636
Collectively evaluated for impairment				39,470		32,804		33,389
Total Loans				39,673		33,050		36,025
Real Estate Loans Secured by Farmland [Member]
Allowance for loan losses [Roll Forward]
Beginning balance	179	166	135
Adjustment for the sale of majority interest in consolidated subsidiary		0
Charge-offs	0	0	0
Recoveries	0	0	0
Provision	13	13	31
Ending balance	192	179	166
Ending allowance balance attributable to loans:
Individually evaluated for impairment				0		0		0
Collectively evaluated for impairment				192		179		166
Total ending allowance balance	179	166	135	192		179		166
Loans:
Individually evaluated for impairment				7,903		7,903		0
Collectively evaluated for impairment				11,159		11,805		16,578
Total Loans				19,062		19,708		16,578
Real Estate Loans Secured by 1 - 4 Family Residential [Member]
Allowance for loan losses [Roll Forward]
Beginning balance	3,966	6,734	6,276
Adjustment for the sale of majority interest in consolidated subsidiary		(95)
Charge-offs	(344)	(1,380)	(785)
Recoveries	359	342	140
Provision	(640)	(1,635)	1,103
Ending balance	3,341	3,966	6,734
Ending allowance balance attributable to loans:
Individually evaluated for impairment				1,120		1,370		3,045
Collectively evaluated for impairment				2,221		2,596		3,689
Total ending allowance balance	3,966	6,734	6,276	3,341		3,966		6,734
Loans:
Individually evaluated for impairment				5,127		5,613		10,411
Collectively evaluated for impairment				274,969		259,603		262,973
Total Loans				280,096		265,216		273,384
Other Real Estate Loans [Member]
Allowance for loan losses [Roll Forward]
Beginning balance	3,916	3,506	4,348
Adjustment for the sale of majority interest in consolidated subsidiary		0
Charge-offs	(9)	(747)	(97)
Recoveries	28	110	37
Provision	(174)	1,047	(782)
Ending balance	3,761	3,916	3,506
Ending allowance balance attributable to loans:
Individually evaluated for impairment				464		294		812
Collectively evaluated for impairment				3,297		3,622		2,694
Total ending allowance balance	3,916	3,506	4,348	3,761		3,916		3,506
Loans:
Individually evaluated for impairment				4,196		4,531		9,142
Collectively evaluated for impairment				253,839		250,705		251,191
Total Loans				258,035		255,236		260,333
Commercial [Member]
Allowance for loan losses [Roll Forward]
Beginning balance	2,354	1,890	2,098
Adjustment for the sale of majority interest in consolidated subsidiary		0
Charge-offs	(3,281)	(959)	(75)
Recoveries	14	104	9
Provision	2,619	1,319	(142)
Ending balance	1,706	2,354	1,890
Ending allowance balance attributable to loans:
Individually evaluated for impairment				27		292		275
Collectively evaluated for impairment				1,679		2,062		1,615
Total ending allowance balance	2,354	1,890	2,098	1,706		2,354		1,890
Loans:
Individually evaluated for impairment				1,517		846		2,470
Collectively evaluated for impairment				188,965		162,423		127,084
Total Loans				190,482		163,269		129,554
Consumer [Member]
Allowance for loan losses [Roll Forward]
Beginning balance	821	177	196
Adjustment for the sale of majority interest in consolidated subsidiary		0
Charge-offs	(57)	(36)	(30)
Recoveries	11	95	27
Provision	366	585	(16)
Ending balance	1,141	821	177
Ending allowance balance attributable to loans:
Individually evaluated for impairment				1,000		647		37
Collectively evaluated for impairment				141		174		140
Total ending allowance balance	$ 821	$ 177	$ 196	1,141		821		177
Loans:
Individually evaluated for impairment				1,898		3,019		37
Collectively evaluated for impairment				16,435		15,348		12,569
Total Loans				$ 18,333		$ 18,367		$ 12,606

[1] net deferred loan costs and premiums of $3.5 million and $3.0 million, respectively.