Consolidated Statements of Cash Flows (Unaudited) - USD ($)	6 Months Ended
	Jun. 30, 2017	Jun. 30, 2016
CASH FLOWS FROM OPERATING ACTIVITIES
Net income	$ 17,950,982	$ 13,049,956
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation	1,847,963	1,552,176
Provision for loan/lease losses	4,128,102	3,270,835
Stock-based compensation expense	557,067	570,330
Deferred compensation expense accrued	724,422	623,831
Losses on other real estate owned, net	3,596	157,739
Amortization of premiums on securities, net	1,005,121	611,900
Securities gains, net	(38,464)	(376,510)
Loans originated for sale	(32,130,683)	(43,526,263)
Proceeds on sales of loans	33,807,027	45,160,830
Gains on sales of residential real estate loans	(208,951)	(144,799)
Gains on sales of government guaranteed portions of loans	(1,037,694)	(2,482,418)
Losses on debt extinguishment, net		83,197
Amortization of core deposit intangible	461,733	99,756
Accretion of acquisition fair value adjustments, net	(3,578,379)	(61,065)
Increase in cash value of bank-owned life insurance	(929,046)	(874,129)
Decrease (increase) in other assets	3,412,207	(4,330,548)
Increase (decrease) in other liabilities	(7,059,305)	1,386,323
Net cash provided by operating activities	18,915,698	14,771,141
CASH FLOWS FROM INVESTING ACTIVITIES
Net decrease (increase) in federal funds sold	3,074,000	(975,000)
Net decrease (increase) in interest-bearing deposits at financial institutions	10,777,600	(11,293,339)
Proceeds from sales of other real estate owned	487,815	864,817
Activity in securities portfolio:
Purchases	(85,169,891)	(97,132,279)
Calls, maturities and redemptions	33,079,683	96,704,276
Paydowns	21,606,220	13,321,512
Sales	13,554,075	61,075,145
Activity in restricted investment securities:
Purchases	(2,407,600)	(1,857,200)
Redemptions	1,300,700
Net increase in loans/leases originated and held for investment	(146,365,255)	(124,972,098)
Purchase of premises and equipment	(2,422,880)	(2,953,356)
Net cash used in investing activities	(152,485,534)	(67,217,522)
CASH FLOWS FROM FINANCING ACTIVITIES
Net increase in deposit accounts	201,041,035	92,920,820
Net decrease in short-term borrowings	(21,753,994)	(93,100,968)
Calls and maturities	(6,000,000)	(9,000,000)
Net change in short-term and overnight advances	(25,000,000)	64,900,000
Prepayments		(10,524,197)
Activity in other borrowings:
Calls, maturities and scheduled principal payments	(8,000,000)
Prepayments		(10,759,000)
Retirement of junior subordinated debentures		(3,955,000)
Payment of cash dividends on common stock	(1,179,146)	(939,456)
Proceeds from issuance of common stock, net	1,053,300	914,099
Net cash provided by financing activities	140,161,195	60,285,214
Net increase in cash and due from banks	6,591,360	7,838,833
Cash and due from banks, beginning	70,569,993	41,742,321
Cash and due from banks, ending	77,161,353	49,581,154
Supplemental disclosure of cash flow information, cash payments for:
Interest	7,876,668	5,852,789
Income/franchise taxes, net	7,450,738	4,869,300
Supplemental schedule of noncash investing activities:
Change in accumulated other comprehensive income, unrealized gains on securities available for sale and derivative instruments, net	1,112,478	3,706,044
Exchange of shares of common stock in connection with payroll taxes for restricted stock and in connection with stock options exercised	(317,614)	(451,434)
Tax benefit of nonqualified stock options exercised		110,366
Transfers of loans to other real estate owned	141,828	51,000
Due to broker for purchases of securities	(4,662,631)	(1,500,000)
Dividends payable	657,003	520,701
Tax basis adjustment related to the acquisition of noncontrolling interest in m2 Lease Funds		2,132,415
Decrease (increase) in the fair market value of interest rate swap assets and liabilities	(209,185)	6,823,332
Common Stock Offering 1 [Member]
Activity in other borrowings:
Proceeds from issuance of common stock, net		$ 29,828,916