CONSOLIDATED BALANCE SHEETS - USD ($)	Dec. 31, 2017	Dec. 31, 2016
ASSETS
Cash and noninterest-bearing due from banks	$ 176,553,466	$ 84,732,291
Interest-bearing due from banks	496,911,376	97,529,713
Federal funds sold and other	106,132,455	1,383,416
Cash and cash equivalents	779,597,297	183,645,420
Securities available-for-sale, at fair value	2,515,283,219	1,298,546,056
Securities held-to-maturity (fair value of $20,829,978 and $25,233,254 at December 31, 2017 and December 31, 2016, respectively)	20,762,303	25,251,316
Mortgage loans held-for-sale	103,728,658	47,710,120
Commercial loans held-for-sale	25,456,141	22,587,971
Loans	15,633,116,029	8,449,924,736
Less allowance for loan losses	(67,240,094)	(58,980,475)
Loans, net	15,565,875,935	8,390,944,261
Premises and equipment, net	266,013,608	88,904,145
Equity method investment	221,667,490	205,359,844
Accrued interest receivable	57,439,656	28,234,826
Goodwill	1,808,001,781	551,593,796
Core deposits and other intangible assets	56,710,268	15,104,038
Other real estate owned	27,830,824	6,089,804
Other assets	757,332,667	330,651,002
Total assets	22,205,699,847	11,194,622,599
Deposits:
Non-interest-bearing	4,381,386,246	2,399,191,152
Interest-bearing	2,987,290,844	1,808,331,784
Savings and money market accounts	6,548,964,272	3,714,930,351
Time	2,534,060,910	836,853,761
Total deposits	16,451,702,272	8,759,307,048
Securities sold under agreements to repurchase	135,262,140	85,706,558
Federal Home Loan Bank advances	1,319,908,629	406,304,187
Subordinated debt and other borrowings	465,504,589	350,768,050
Accrued interest payable	10,480,426	5,573,377
Other liabilities	114,889,760	90,267,267
Total liabilities	18,497,747,816	9,697,926,487
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; 77,739,636 and 46,359,377 issued and outstanding at December 31, 2017 and 2016	77,739,636	46,359,377
Additional paid-in capital	3,115,303,675	1,083,490,728
Retained earnings	519,144,543	381,072,505
Accumulated other comprehensive loss, net of taxes	(4,235,823)	(14,226,498)
Total stockholders' equity	3,707,952,031	1,496,696,112
Total liabilities and stockholders' equity	$ 22,205,699,847	$ 11,194,622,599