Loans, Net - Recorded investment in past due loans by class of loans (Details) - USD ($) $ in Thousands	Dec. 31, 2016		Dec. 31, 2015		Dec. 31, 2014
Past due loans by class of loans [Abstract]
Total Past Due	$ 7,766		$ 3,327
Current	852,331		802,354
Total Loans	860,097	[1]	805,681	[1]	$ 754,846
Real Estate Loans Construction [Member]
Past due loans by class of loans [Abstract]
Total Past Due	0		69
Current	35,627		39,604
Total Loans	35,627		39,673		33,050
Real Estate Loans Secured by Farmland [Member]
Past due loans by class of loans [Abstract]
Total Past Due	199		0
Current	16,569		19,062
Total Loans	16,768		19,062
Real Estate Loans Secured by 1 - 4 Family Residential [Member]
Past due loans by class of loans [Abstract]
Total Past Due	514		1,376
Current	313,531		278,720
Total Loans	314,045		280,096		265,216
Other Real Estate Loans [Member]
Past due loans by class of loans [Abstract]
Total Past Due	2,416		573
Current	281,197		257,462
Total Loans	283,613		258,035		255,236
Commercial Loans [Member]
Past due loans by class of loans [Abstract]
Total Past Due	2,674		1,288
Current	188,093		189,194
Total Loans	190,767		190,482		163,269
Consumer Loans [Member]
Past due loans by class of loans [Abstract]
Total Past Due	1,963		21
Current	17,314		18,312
Total Loans	19,277		18,333		$ 18,367
Financing Receivables, 30 to 59 Days Past Due [Member]
Past due loans by class of loans [Abstract]
Total Past Due	546		1,899
Financing Receivables, 30 to 59 Days Past Due [Member] | Real Estate Loans Construction [Member]
Past due loans by class of loans [Abstract]
Total Past Due	0		69
Financing Receivables, 30 to 59 Days Past Due [Member] | Real Estate Loans Secured by Farmland [Member]
Past due loans by class of loans [Abstract]
Total Past Due	0		0
Financing Receivables, 30 to 59 Days Past Due [Member] | Real Estate Loans Secured by 1 - 4 Family Residential [Member]
Past due loans by class of loans [Abstract]
Total Past Due	0		259
Financing Receivables, 30 to 59 Days Past Due [Member] | Other Real Estate Loans [Member]
Past due loans by class of loans [Abstract]
Total Past Due	312		325
Financing Receivables, 30 to 59 Days Past Due [Member] | Commercial Loans [Member]
Past due loans by class of loans [Abstract]
Total Past Due	146		1,242
Financing Receivables, 30 to 59 Days Past Due [Member] | Consumer Loans [Member]
Past due loans by class of loans [Abstract]
Total Past Due	88		4
Financing Receivables, 60 to 89 Days Past Due [Member]
Past due loans by class of loans [Abstract]
Total Past Due	213		32
Financing Receivables, 60 to 89 Days Past Due [Member] | Real Estate Loans Construction [Member]
Past due loans by class of loans [Abstract]
Total Past Due	0		0
Financing Receivables, 60 to 89 Days Past Due [Member] | Real Estate Loans Secured by Farmland [Member]
Past due loans by class of loans [Abstract]
Total Past Due	199		0
Financing Receivables, 60 to 89 Days Past Due [Member] | Real Estate Loans Secured by 1 - 4 Family Residential [Member]
Past due loans by class of loans [Abstract]
Total Past Due	0		0
Financing Receivables, 60 to 89 Days Past Due [Member] | Other Real Estate Loans [Member]
Past due loans by class of loans [Abstract]
Total Past Due	0		0
Financing Receivables, 60 to 89 Days Past Due [Member] | Commercial Loans [Member]
Past due loans by class of loans [Abstract]
Total Past Due	10		15
Financing Receivables, 60 to 89 Days Past Due [Member] | Consumer Loans [Member]
Past due loans by class of loans [Abstract]
Total Past Due	4		17
Financing Receivables, Equal to Greater than 90 Days Past Due [Member]
Past due loans by class of loans [Abstract]
Total Past Due	7,007		1,396
Financing Receivables, Equal to Greater than 90 Days Past Due [Member] | Real Estate Loans Construction [Member]
Past due loans by class of loans [Abstract]
Total Past Due	0		0
Financing Receivables, Equal to Greater than 90 Days Past Due [Member] | Real Estate Loans Secured by Farmland [Member]
Past due loans by class of loans [Abstract]
Total Past Due	0		0
Financing Receivables, Equal to Greater than 90 Days Past Due [Member] | Real Estate Loans Secured by 1 - 4 Family Residential [Member]
Past due loans by class of loans [Abstract]
Total Past Due	514		1,117
Financing Receivables, Equal to Greater than 90 Days Past Due [Member] | Other Real Estate Loans [Member]
Past due loans by class of loans [Abstract]
Total Past Due	2,104		248
Financing Receivables, Equal to Greater than 90 Days Past Due [Member] | Commercial Loans [Member]
Past due loans by class of loans [Abstract]
Total Past Due	2,518		31
Financing Receivables, Equal to Greater than 90 Days Past Due [Member] | Consumer Loans [Member]
Past due loans by class of loans [Abstract]
Total Past Due	$ 1,871		$ 0

[1] Includes net deferred loan costs and premiums of $3.3 million and $3.5 million, respectively.