CONSOLIDATED BALANCE SHEETS (USD $)	Dec. 31, 2011	Dec. 31, 2010
ASSETS
Cash and noninterest-bearing due from banks	$ 63,015,997	$ 40,154,247
Interest-bearing due from banks	108,422,470	140,647,481
Federal funds sold and other	724,573	7,284,685
Short-term discount notes	0	499,768
Cash and cash equivalents	172,163,040	188,586,181
Securities available-for-sale, at fair value	894,962,246	1,014,316,831
Securities held-to-maturity (fair value of $2,369,118 and $4,411,856 at December 31, 2011 and December 31, 2010, respectively)	2,329,917	4,320,486
Mortgage loans held-for-sale	35,363,038	16,206,034
Loans	3,291,350,857	3,212,440,190
Less allowance for loan losses	(73,974,675)	(82,575,235)
Loans, net	3,217,376,182	3,129,864,955
Premises and equipment, net	77,127,361	82,374,228
Other investments	44,653,840	42,282,255
Accrued interest receivable	15,243,366	16,364,573
Goodwill	244,076,492	244,090,311
Core deposits and other intangible assets	7,842,267	10,705,105
Other real estate owned	39,714,415	59,608,224
Other assets	113,098,540	100,284,697
Total assets	4,863,950,704	4,909,003,880
Deposits:
Non-interest-bearing	717,378,933	586,516,637
Interest-bearing	637,203,420	573,670,188
Savings and money market accounts	1,585,260,139	1,596,306,386
Time	714,496,974	1,076,564,179
Total deposits	3,654,339,466	3,833,057,390
Securities sold under agreements to repurchase	131,591,412	146,294,379
Federal Home Loan Bank advances	226,068,796	121,393,026
Subordinated debt	97,476,000	97,476,000
Accrued interest payable	2,233,330	5,197,925
Other liabilities	42,097,132	28,127,875
Total liabilities	4,153,806,136	4,231,546,595
Stockholders' equity:
Preferred stock, no par value; 10,000,000 shares authorized; 71,250 and 95,000 shares, respectively, issued and outstanding at December 31, 2011 and December 31, 2010	69,096,828	90,788,682
Common stock, par value $1.00; 90,000,000 shares authorized; 34,354,960 issued and outstanding at December 31, 2011 and 33,870,380 issued and outstanding at December 31, 2010	34,354,960	33,870,380
Common stock warrants	3,348,402	3,348,402
Additional paid-in capital	536,227,537	530,829,019
Retained earnings	49,783,584	12,996,202
Accumulated other comprehensive income, net of taxes	17,333,257	5,624,600
Total stockholders' equity	710,144,568	677,457,285
Total liabilities and stockholders' equity	$ 4,863,950,704	$ 4,909,003,880