Loans, Net - Recorded investment in past due loans by class of loans (Details) - USD ($) $ in Thousands	Mar. 31, 2016	Dec. 31, 2015	Mar. 31, 2015
Past due loans by class of loans [Abstract]
Total Past Due	$ 8,093	$ 3,327
Current	816,458	802,354
Total Loans	824,551	805,681	$ 761,915
Construction [Member]
Past due loans by class of loans [Abstract]
Total Past Due	86	69
Current	43,168	39,604
Total Loans	43,254	39,673
Secured by farmland [Member]
Past due loans by class of loans [Abstract]
Total Past Due	0	0
Current	18,945	19,062
Total Loans	18,945	19,062
Secured by 1-4 family residential [Member]
Past due loans by class of loans [Abstract]
Total Past Due	4,099	1,376
Current	284,756	278,720
Total Loans	288,855	280,096	267,287
Other real estate loans [Member]
Past due loans by class of loans [Abstract]
Total Past Due	444	573
Current	264,012	257,462
Total Loans	264,456	258,035	253,246
Commercial loans [Member]
Past due loans by class of loans [Abstract]
Total Past Due	1,536	1,288
Current	188,409	189,194
Total Loans	189,945	190,482	165,757
Consumer loans [Member]
Past due loans by class of loans [Abstract]
Total Past Due	1,928	21
Current	17,168	18,312
Total Loans	19,096	18,333	$ 19,308
Financing Receivables, 30 to 59 Days Past Due [Member]
Past due loans by class of loans [Abstract]
Total Past Due	2,978	1,899
Financing Receivables, 30 to 59 Days Past Due [Member] | Construction [Member]
Past due loans by class of loans [Abstract]
Total Past Due	0	69
Financing Receivables, 30 to 59 Days Past Due [Member] | 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] | Secured by 1-4 family residential [Member]
Past due loans by class of loans [Abstract]
Total Past Due	779	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	0	325
Financing Receivables, 30 to 59 Days Past Due [Member] | Commercial loans [Member]
Past due loans by class of loans [Abstract]
Total Past Due	271	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	1,928	4
Financing Receivables, 60 to 89 Days Past Due [Member]
Past due loans by class of loans [Abstract]
Total Past Due	3,381	32
Financing Receivables, 60 to 89 Days Past Due [Member] | Construction [Member]
Past due loans by class of loans [Abstract]
Total Past Due	31	0
Financing Receivables, 60 to 89 Days Past Due [Member] | Secured by farmland [Member]
Past due loans by class of loans [Abstract]
Total Past Due	0	0
Financing Receivables, 60 to 89 Days Past Due [Member] | Secured by 1-4 family residential [Member]
Past due loans by class of loans [Abstract]
Total Past Due	3,084	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	67	0
Financing Receivables, 60 to 89 Days Past Due [Member] | Commercial loans [Member]
Past due loans by class of loans [Abstract]
Total Past Due	199	15
Financing Receivables, 60 to 89 Days Past Due [Member] | Consumer loans [Member]
Past due loans by class of loans [Abstract]
Total Past Due	0	17
Financing Receivables, Equal to Greater than 90 Days Past Due [Member]
Past due loans by class of loans [Abstract]
Total Past Due	1,734	1,396
Financing Receivables, Equal to Greater than 90 Days Past Due [Member] | Construction [Member]
Past due loans by class of loans [Abstract]
Total Past Due	55	0
Financing Receivables, Equal to Greater than 90 Days Past Due [Member] | 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] | Secured by 1-4 family residential [Member]
Past due loans by class of loans [Abstract]
Total Past Due	236	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	377	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	1,066	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	$ 0	$ 0