Consolidated Statements of Income (unaudited) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2019	Jun. 30, 2018	Jun. 30, 2019	Jun. 30, 2018
Interest, fee and dividend income
Interest and fees on loans	$ 81,271	$ 74,172	$ 160,592	$ 144,615
Securities available for sale	6,031	7,003	11,953	13,929
Securities held to maturity	5,089	2,811	10,306	5,436
Other	842	781	1,726	1,547
Total interest, fee and dividend income	93,233	84,767	184,577	165,527
Interest expense
Deposits	10,234	5,079	19,060	9,010
Short-term borrowings	2,760	2,455	5,997	4,421
Long-term debt	471	452	893	928
Junior subordinated debt	1,141	1,040	2,309	1,941
Total interest expense	14,606	9,026	28,259	16,300
Net interest income	78,627	75,741	156,318	149,227
Provision for loan losses	7,277	8,778	13,084	16,274
Net interest income after provision for loan losses	71,350	66,963	143,234	132,953
Noninterest income
Insurance and other financial services revenue	5,938	5,826	12,694	12,330
Service charges on deposit accounts	4,224	4,246	8,460	8,218
ATM and debit card fees	6,156	5,816	11,681	11,089
Retirement plan administration fees	7,836	7,296	15,570	12,635
Trust	4,731	5,265	9,282	10,143
Bank owned life insurance	1,186	1,217	2,563	2,564
Net securities (losses) gains	(69)	91	(12)	163
Other	4,239	4,401	7,824	8,293
Total noninterest income	34,241	34,158	68,062	65,435
Noninterest expense
Salaries and employee benefits	38,567	37,726	77,923	74,293
Occupancy	5,443	5,535	11,718	11,654
Data processing and communications	4,693	4,508	9,107	8,787
Professional fees and outside services	3,359	3,336	7,027	6,828
Equipment	4,518	4,151	9,275	8,189
Office supplies and postage	1,577	1,504	3,168	3,077
FDIC expenses	949	1,092	1,966	2,293
Advertising	641	700	1,144	1,037
Amortization of intangible assets	893	1,096	1,861	2,010
Loan collection and other real estate owned, net	961	908	1,746	2,245
Other	4,630	4,332	9,756	8,747
Total noninterest expense	66,231	64,888	134,691	129,160
Income before income tax expense	39,360	36,233	76,605	69,228
Income tax expense	8,805	8,112	16,923	15,121
Net income	$ 30,555	$ 28,121	$ 59,682	$ 54,107
Earnings per share
Basic (in dollars per share)	$ 0.70	$ 0.64	$ 1.36	$ 1.24
Diluted (in dollars per share)	$ 0.69	$ 0.64	$ 1.35	$ 1.23