Consolidated Statements of Income - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2018		Jun. 30, 2017
INTEREST INCOME
Interest and fees on loans	$ 51,451	$ 39,656	$ 101,621		$ 73,359
Interest on investment securities:
Taxable interest income	2,465	1,710	5,051		3,265
Tax-exempt interest income	368	427	748		870
Other, principally overnight investments	2,451	1,034	4,376		1,801
Total interest income	56,735	42,827	111,796		79,295
INTEREST EXPENSE
Savings, checking and money market accounts	1,132	685	2,111		1,207
Time deposits	1,850	874	3,325		1,588
Other time deposits	251	173	470		339
Borrowings	2,270	1,179	4,151		1,949
Total interest expense	5,503	2,911	10,057		5,083
Net interest income	51,232	39,916	101,739		74,212
Provision (reversal) for loan losses	(710)		(4,369)		723
Net interest income after provision for loan losses	51,942	39,916	106,108		73,489
NONINTEREST INCOME
Service charges on deposit accounts	3,122	2,966	6,385		5,580
Other service charges, commissions and fees	4,913	3,554	9,510		6,727
Fees from presold mortgage loans	796	1,511	1,655		2,279
Commissions from sales of insurance and financial products	2,119	1,038	4,059		1,878
SBA consulting fees	1,126	1,050	2,267		2,310
SBA loan sale gains	2,598	927	6,400		1,549
Bank-owned life insurance income	628	580	1,251	[1]	1,088	[1]
Foreclosed property gains (losses), net	(99)	(248)	(387)		(223)
Securities gains (losses), net					(235)
Other gains (losses), net	908	497	912		731
Total noninterest income	16,111	11,875	32,052		21,684
NONINTEREST EXPENSES
Salaries expense	18,446	16,299	37,844		30,249
Employee benefits expense	4,084	4,042	8,691		7,952
Total personnel expense	22,530	20,341	46,535		38,201
Occupancy expense	2,543	2,358	5,345		4,542
Equipment related expenses	1,241	1,363	2,493		2,421
Merger and acquisition expenses	640	1,122	3,401		3,495
Intangibles amortization expense	1,745	1,031	3,417		1,607
Other operating expenses	10,174	8,869	21,280		16,890
Total noninterest expenses	38,873	35,084	82,471		67,156
Income before income taxes	29,180	16,707	55,689		28,017
Income tax expense	6,450	5,553	12,286		9,308
Net income available to common shareholders	$ 22,730	$ 11,154	$ 43,403		$ 18,709
Earnings per common share: Basic	$ 0.77	$ 0.45	$ 1.47		$ 0.80
Earnings per common share: Diluted	0.77	0.45	1.46		0.80
Dividends declared per common share	$ 0.10	$ 0.08	$ 0.20		$ 0.16
Weighted average common shares outstanding: Basic	29,544,747	24,593,307	29,539,308		23,288,635
Weighted average common shares outstanding: Diluted	29,632,738	24,671,550	29,630,822		23,368,503

[1] Not within the scope of ASC 606.