Consolidated Statements of Cash Flows (Unaudited) - USD ($)	3 Months Ended
	Mar. 31, 2017	Mar. 31, 2016
CASH FLOWS FROM OPERATING ACTIVITIES
Net income	$ 9,184,965	$ 6,373,489
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation	896,952	766,069
Provision for loan/lease losses	2,105,109	2,072,985
Stock-based compensation expense	388,753	382,761
Deferred compensation expense accrued	404,723	318,796
Losses (gains) on other real estate owned, net		(7,740)
Amortization of premiums on securities, net	347,178	294,286
Securities gains, net		(358,480)
Loans originated for sale	(21,416,325)	(18,901,618)
Proceeds on sales of loans	22,547,789	19,640,997
Gains on sales of residential real estate loans	(96,323)	(60,386)
Gains on sales of government guaranteed portions of loans	(950,641)	(878,528)
Losses on debt extinguishment, net		83,197
Amortization of core deposit intangible	230,867	49,878
Accretion of acquisition fair value adjustments, net	(1,915,001)	(44,169)
Increase in cash value of bank-owned life insurance	(469,687)	(393,609)
Decrease (increase) in other assets	5,427,798	(9,295,660)
Increase (decrease) in other liabilities	(5,852,341)	5,079,831
Net cash provided by operating activities	10,833,816	5,122,099
CASH FLOWS FROM INVESTING ACTIVITIES
Net decrease in federal funds sold	6,459,000	4,110,000
Net increase in interest-bearing deposits at financial institutions	(93,471,781)	(5,175,206)
Proceeds from sales of other real estate owned	34,191	494,115
Activity in securities portfolio:
Purchases	(12,138,040)	(45,070,780)
Calls, maturities and redemptions	17,385,968	47,573,001
Paydowns	8,486,628	6,428,508
Sales		55,526,851
Activity in restricted investment securities:
Purchases	(7,600)	(485,250)
Redemptions	1,315,500
Net increase in loans/leases originated and held for investment	(29,236,438)	(76,346,066)
Purchase of premises and equipment	(1,396,902)	(1,558,171)
Net cash used in investing activities	(102,569,474)	(14,502,998)
Calls and maturities	(4,000,000)	(7,000,000)
Net change in short-term and overnight advances	(26,950,000)	16,500,000
Prepayments		(10,524,197)
CASH FLOWS FROM FINANCING ACTIVITIES
Net increase in deposit accounts	136,704,261	108,903,515
Net decrease in short-term borrowings	(20,501,291)	(80,639,905)
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	(522,574)	(468,583)
Proceeds from issuance of common stock, net	761,238	512,584
Net cash provided by financing activities	77,491,634	12,569,414
Net increase (decrease) in cash and due from banks	(14,244,024)	3,188,515
Cash and due from banks, beginning	70,569,993	41,742,321
Cash and due from banks, ending	56,325,969	44,930,836
Supplemental disclosure of cash flow information, cash payments for:
Interest	3,747,218	2,944,839
Income/franchise taxes, net	4,842	2,464,300
Supplemental schedule of noncash investing activities:
Change in accumulated other comprehensive income, unrealized gains on securities available for sale and derivative instruments, net	410,739	2,525,411
Exchange of shares of common stock in connection with payroll taxes for restricted stock and in connection with stock options exercised	(290,290)	(451,434)
Tax benefit of nonqualified stock options exercised		22,508
Transfers of loans to other real estate owned	136,450	16,000
Due to broker for purchases of securities		(20,104,340)
Dividends payable	656,574	470,873
Decrease (increase) in the fair market value of interest rate swap assets and liabilities	$ 303,383	$ (4,615,782)