CONSOLIDATED STATEMENTS OF INCOME (Unaudited) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
Interest income:
Interest and fees on loans	$ 72,536	$ 71,789
Interest and dividends on investment securities:
Taxable interest income	9,508	10,184
Non-taxable interest income	1,151	1,076
Other interest income	1,238	1,232
Total interest income	84,433	84,281
Interest expense:
Deposits	12,227	12,500
Federal funds purchased and securities sold under agreements to repurchase	408	583
Short-term borrowings	67	191
Long-term debt	423	579
Senior notes	400	400
Subordinated notes	731	731
Junior subordinated debt owed to unconsolidated trusts	744	914
Total interest expense	15,000	15,898
Net interest income	69,433	68,383
Provision for loan losses	17,216	2,111
Net interest income after provision for loan losses	52,217	66,272
Non-interest income:
Mortgage revenue	1,381	1,945
Income on bank owned life insurance	1,057	978
Net gains on sales of securities	1,574	(174)
Unrealized (losses) gains recognized on equity securities	(987)	216
Other income	823	2,074
Total non-interest income	27,517	25,945
Non-interest expense:
Salaries, wages and employee benefits	34,003	32,341
Data processing	4,395	4,401
Net occupancy expense of premises	4,715	4,202
Furniture and equipment expenses	2,449	2,095
Professional fees	1,824	3,187
Amortization of intangible assets	2,557	2,094
Other expense	10,571	8,843
Total non-interest expense	60,514	57,163
Income before income taxes	19,220	35,054
Income taxes	3,856	9,585
Net income	$ 15,364	$ 25,469
Basic earnings per common share (in dollars per share)	$ 0.28	$ 0.48
Diluted earnings per common share (in dollars per share)	0.28	0.48
Dividends declared per share of common stock (in dollars per share)	$ 0.22	$ 0.21
Wealth management fees
Non-interest income:
Non-interest income	$ 11,555	$ 9,029
Fees for customer services
Non-interest income:
Non-interest income	8,361	8,097
Remittance processing
Non-interest income:
Non-interest income	$ 3,753	$ 3,780