CONSOLIDATED BALANCE SHEETS - USD ($)	Dec. 31, 2016	Dec. 31, 2015
ASSETS
Cash and noninterest-bearing due from banks	$ 84,732,291	$ 75,078,807
Interest-bearing due from banks	97,529,713	219,202,464
Federal funds sold and other	1,383,416	26,670,062
Cash and cash equivalents	183,645,420	320,951,333
Securities available-for-sale, at fair value	1,298,546,056	935,064,745
Securities held-to-maturity (fair value of $25,233,254 and $31,585,303 at December 31, 2016 and December 31, 2015, respectively)	25,251,316	31,376,840
Mortgage loans held-for-sale	47,710,120	47,930,253
Commercial loans held-for-sale	22,587,971	0
Loans	8,449,924,736	6,543,235,381
Less allowance for loan losses	(58,980,475)	(65,432,354)
Loans, net	8,390,944,261	6,477,803,027
Premises and equipment, net	88,904,145	77,923,607
Equity method investment	205,359,844	88,880,014
Accrued interest receivable	28,234,826	21,574,096
Goodwill	551,593,796	432,232,255
Core deposits and other intangible assets	15,104,038	10,540,497
Other real estate owned	6,089,804	5,083,218
Other assets	330,651,002	265,183,799
Total assets	11,194,622,599	8,714,543,684
Deposits:
Non-interest-bearing	2,399,191,152	1,889,865,113
Interest-bearing	1,808,331,784	1,389,548,175
Savings and money market accounts	3,714,930,351	3,001,950,725
Time	836,853,761	690,049,795
Total deposits	8,759,307,048	6,971,413,808
Securities sold under agreements to repurchase	85,706,558	79,084,298
Federal Home Loan Bank advances	406,304,187	300,305,226
Subordinated debt and other borrowings	350,768,050	141,605,504
Accrued interest payable	5,573,377	2,593,209
Other liabilities	90,267,267	63,930,339
Total liabilities	9,697,926,487	7,558,932,384
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; 46,359,377 and 40,906,064 issued and outstanding at December 31, 2016 and 2015	46,359,377	40,906,064
Additional paid-in capital	1,083,490,728	839,617,050
Retained earnings	381,072,505	278,573,408
Accumulated other comprehensive loss, net of taxes	(14,226,498)	(3,485,222)
Total stockholders' equity	1,496,696,112	1,155,611,300
Total liabilities and stockholders' equity	$ 11,194,622,599	$ 8,714,543,684