Consolidated Statements of Income (unaudited) - USD ($) $ in Thousands		3 Months Ended		6 Months Ended
		Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
Interest, fee and dividend income
Interest and fees on loans		$ 77,270	$ 81,271	$ 155,998	$ 160,592
Securities available for sale		5,600	6,031	11,353	11,953
Securities held to maturity		3,926	5,089	8,017	10,306
Other		650	842	1,479	1,726
Total interest, fee and dividend income		87,446	93,233	176,847	184,577
Interest expense
Deposits		4,812	10,234	13,916	19,060
Short-term borrowings		972	2,760	2,769	5,997
Long-term debt		393	471	786	893
Subordinated debt		128	0	128	0
Junior subordinated debt		695	1,141	1,621	2,309
Total interest expense		7,000	14,606	19,220	28,259
Net interest income		80,446	78,627	157,627	156,318
Provision for loan losses	[1]	18,840	7,277	48,480	13,084
Net interest income after provision for loan losses		61,606	71,350	109,147	143,234
Noninterest income
Service charges on deposit accounts		2,529	4,224	6,526	8,460
ATM and debit card fees		6,136	6,156	11,990	11,681
Retirement plan administration fees		9,214	7,836	17,155	15,570
Wealth management		6,823	7,122	14,096	13,685
Insurance		3,292	3,547	7,561	8,291
Bank owned life insurance income		1,381	1,186	2,755	2,563
Net securities gains (losses)		180	(69)	(632)	(12)
Other		5,456	4,239	10,983	7,824
Total noninterest income		35,011	34,241	70,434	68,062
Noninterest expense
Salaries and employee benefits		39,717	38,567	80,467	77,923
Occupancy		5,065	5,443	11,060	11,718
Data processing and communications		4,079	4,693	8,312	9,107
Professional fees and outside services		3,403	3,359	7,300	7,027
Equipment		4,779	4,518	9,421	9,275
Office supplies and postage		1,455	1,577	3,091	3,168
FDIC expense		993	949	1,304	1,966
Advertising		322	641	931	1,144
Amortization of intangible assets		883	893	1,717	1,861
Loan collection and other real estate owned, net		728	961	1,745	1,746
Other		3,916	4,630	10,873	9,756
Total noninterest expense		65,340	66,231	136,221	134,691
Income before income tax expense		31,277	39,360	43,360	76,605
Income tax expense		6,564	8,805	8,279	16,923
Net income		$ 24,713	$ 30,555	$ 35,081	$ 59,682
Earnings per share
Basic (in dollars per share)		$ 0.57	$ 0.70	$ 0.80	$ 1.36
Diluted (in dollars per share)		$ 0.56	$ 0.69	$ 0.80	$ 1.35

[1] Beginning January 1, 2020, calculation is based on current expected loss methodology. Prior to January 1, 2020, calculation was based on incurred loss methodology.