Consolidated Statements of Operations - USD ($)	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Interest income:
Interest and fees on loans	$ 30,748,105	$ 25,839,566	$ 23,947,521
Interest on investments and deposits	5,468,110	6,611,037	5,230,342
Total interest income	36,216,215	32,450,603	29,177,863
Interest expense:
Interest on deposits	2,829,085	2,367,750	2,141,899
Interest on borrowings	247,536	124,865	285,831
Interest on junior subordinated notes	534,258	561,694	323,113
Total interest expense	3,610,879	3,054,309	2,750,843
Net interest income	32,605,336	29,396,294	26,427,020
Provision for credit losses	970,000	800,000	1,100,000
Net interest income after provision for credit losses	31,635,336	28,596,294	25,327,020
Non-interest income:
Deposit fees and service charges	7,587,686	8,072,893	4,387,235
Loan fees and charges	370,977	268,482	180,899
Mortgage loan servicing fees	1,237,054	1,090,196	984,623
Gain on sale and other fees on mortgage loans	2,332,524	2,022,813	1,419,721
Gain on sale of other real estate, net	131,481	40,351	115,137
Gain on sale of investment securities	467,470	1,417,716	13,509
Other income	2,060,312	1,385,524	1,484,062
Total non-interest income	14,187,504	14,297,975	8,585,186
Non-interest expense:
Compensation and fringe benefits	19,819,368	19,377,688	15,834,616
Federal deposit insurance premiums	631,799	609,406	565,980
Premises and equipment	5,467,277	5,331,960	3,591,249
Marketing	702,257	820,308	667,337
Data processing	3,089,513	3,583,170	2,324,496
Amortization of intangible assets	570,902	515,044	221,070
Other real estate owned expense	553,143	631,675	649,848
Other	5,066,180	5,504,476	4,618,979
Total non-interest expense	35,900,439	36,373,727	28,473,575
Income before income tax expense	9,922,401	6,520,542	5,438,631
Income tax expense	2,961,139	1,837,329	1,349,009	[1]
NET INCOME	$ 6,961,262	$ 4,683,213	$ 4,089,622	[1],[2],[3]
Basic earnings per share (in dollars per share)	$ 0.73	$ 0.49	$ 0.43	[1]
Diluted earnings per share (in dollars per share)	0.73	0.49	0.42	[1]
Dividends per share (in dollars per share)	$ 0.115	$ 0.10	$ 0.10
Average basic shares outstanding (in shares)	9,493,700	9,521,392	9,619,124
Average diluted shares outstanding (in shares)	9,522,765	9,542,401	9,638,158

[1] revised for prior period restatement

[2] revised for prior period restatement

[3] revised for prior period restatement