Consolidated Statements of Comprehensive Income (Unaudited) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2018	Jun. 30, 2017
INTEREST INCOME
Loans, including fees	$ 65,604	$ 54,763	$ 128,523	$ 108,398
Securities:
Taxable	1,956	1,906	3,854	3,667
Tax-exempt	162	178	333	365
Federal funds sold	95	1	199	1
Interest-bearing deposits with banks	7,325	4,425	13,107	7,865
Total interest income	75,142	61,273	146,016	120,296
INTEREST EXPENSE
Deposits	9,710	4,300	16,979	8,025
Short-term borrowings	8	4	43	7
Junior subordinated debentures	544	530	1,079	1,057
Total interest expense	10,262	4,834	18,101	9,089
Net interest income	64,880	56,439	127,915	111,207
Provision for loan losses	1,225	1,841	1,539	1,913
Net interest income after provision for loan losses	63,655	54,598	126,376	109,294
NONINTEREST INCOME
Trust revenue	3,396	2,894	6,525	5,846
Service charges on deposits	17,537	16,448	34,190	32,226
Securities transactions (includes accumulated other comprehensive income reclassifications of $0, $(142), $0 and $(142), respectively)	115	(330)	101	(330)
Income from sales of loans	802	816	1,453	1,448
Insurance commissions	3,927	3,728	9,126	8,291
Cash management	3,381	2,799	6,402	5,553
Gain (loss) on sale of other assets	127	(25)	153	(49)
Other	1,152	1,653	2,597	3,083
Total noninterest income	30,437	27,983	60,547	56,068
NONINTEREST EXPENSE
Salaries and employee benefits	34,776	31,547	68,966	62,201
Occupancy, net	3,396	2,992	6,798	5,966
Depreciation	2,429	2,392	4,839	4,812
Amortization of intangible assets	759	547	1,492	1,094
Data processing services	1,195	1,097	2,398	2,292
Net expense from other real estate owned	19	202	45	252
Marketing and business promotion	1,649	1,559	4,001	3,774
Deposit insurance	640	542	1,259	1,130
Other	9,393	8,075	20,348	17,020
Total noninterest expense	54,256	48,953	110,146	98,541
Income before taxes	39,836	33,628	76,777	66,821
Income tax expense	9,250	10,446	16,571	21,589
Net income	$ 30,586	$ 23,182	$ 60,206	$ 45,232
NET INCOME PER COMMON SHARE
Basic	$ 0.93	$ 0.73	$ 1.84	$ 1.43
Diluted	$ 0.91	$ 0.71	$ 1.80	$ 1.39
OTHER COMPREHENSIVE (LOSS)/INCOME
Unrealized (losses)/gains on securities, net of tax of $179, $(280), $653 and $(167), respectively	$ (541)	$ 443	$ (1,929)	$ 265
Reclassification adjustment for losses included in net income, net of tax of $0, $(55), $0 and $(55), respectively		87		87
Other comprehensive (losses)/gains, net of tax of $179, $(335), $448 and $(222), respectively	(541)	530	(1,929)	352
Comprehensive income	$ 30,045	$ 23,712	$ 58,277	$ 45,584