CONSOLIDATED BALANCE SHEETS (Unaudited) (USD $)	Sep. 30, 2014	Dec. 31, 2013
ASSETS
Cash and noninterest-bearing due from banks	$ 64,743,501	$ 79,785,004
Interest-bearing due from banks	148,068,613	124,509,486
Federal funds sold and other	4,757,438	4,644,247
Cash and cash equivalents	217,569,552	208,938,737
Securities available-for-sale, at fair value	714,920,906	693,456,314
Securities held-to-maturity (fair value of $38,112,282 and $38,817,467 at September 30, 2014 and December 31, 2013, respectively)	38,106,986	39,795,649
Mortgage loans held-for-sale	19,130,001	12,850,339
Loans	4,421,250,676	4,144,493,486
Less allowance for loan losses	(66,159,575)	(67,969,693)
Loans, net	4,355,091,101	4,076,523,793
Premises and equipment, net	71,551,257	72,649,574
Other investments	33,599,454	33,226,195
Accrued interest receivable	16,949,949	15,406,389
Goodwill	243,533,067	243,651,006
Core deposits and other intangible assets	3,129,236	3,840,750
Other real estate owned	12,329,278	15,226,136
Other assets	139,792,704	148,210,975
Total assets	5,865,703,491	5,563,775,857
Deposits:
Noninterest-bearing	1,357,934,212	1,167,414,487
Interest-bearing	860,781,126	884,294,802
Savings and money market accounts	1,983,237,139	1,962,714,398
Time	460,378,271	519,049,037
Total deposits	4,662,330,748	4,533,472,724
Securities sold under agreements to repurchase	64,772,511	70,465,326
Federal Home Loan Bank advances	215,523,517	90,637,328
Subordinated debt and other borrowings	96,783,292	98,658,292
Accrued interest payable	622,908	792,703
Other liabilities	43,736,364	46,041,823
Total liabilities	5,083,769,340	4,840,068,196
Stockholders' equity:
Preferred stock, no par value, 10,000,000 shares authorized; no shares issued and outstanding	0	0
Common stock, par value $1.00; 90,000,000 shares authorized; 35,654,541 and 35,221,941 shares issued and outstanding at September 30, 2014 and December 31, 2013, respectively	35,654,541	35,221,941
Additional paid-in capital	558,070,636	550,212,135
Retained earnings	185,496,234	142,298,199
Accumulated other comprehensive income, net of taxes	2,712,740	(4,024,614)
Total stockholders' equity	781,934,151	723,707,661
Total liabilities and stockholders' equity	$ 5,865,703,491	$ 5,563,775,857