CONSOLIDATED STATEMENTS OF INCOME - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Interest Income
Interest and fees on loans	$ 267,599	$ 275,189	$ 291,889
Interest and dividends on investments:
Taxable interest	24,723	24,063	29,773
Interest exempt from federal income taxes	595	1,053	1,591
Dividends	521	686	1,608
Interest on bank deposits	400	218	403
Total interest income	293,838	301,209	325,264
Interest Expense
Interest on deposits	5,749	21,972	36,725
Interest on short-term borrowings	99	704	8,298
Interest on subordinated debentures	8,555	8,580	9,084
Interest on other long-term debt	649	1,419	1,016
Interest Expense, Lessee, Assets under Capital Lease	245	263	279
Total interest expense	15,297	32,938	55,402
Net Interest Income	278,541	268,271	269,862
Provision for credit losses	(1,376)	56,718	14,533
Net Interest Income after Provision for Credit Losses	279,917	211,553	255,329
Noninterest Income
Net securities gains	16	70	22
Trust income	11,111	9,101	8,321
Service charges on deposit accounts	17,984	16,387	18,926
Insurance and retail brokerage commissions	8,502	7,850	7,583
Income from bank owned life insurance	6,433	6,552	6,002
Gain on sale of mortgage loans	13,555	18,764	7,765
Gain on sale of other loans and assets	(8,130)	(4,827)	(4,793)
Card related interchange income	27,954	23,966	21,677
Derivative, Gain (Loss) on Derivative, Net	2,344	(2,521)	(269)
Swap Fee Income	2,543	1,588	3,397
Other income	8,185	7,892	7,268
Total noninterest income	106,757	94,476	85,485
Noninterest Expense
Salaries and employee benefits	119,506	118,961	112,237
Net occupancy	16,586	17,647	18,923
Furniture and equipment	15,642	15,393	15,160
Data processing	12,373	10,543	10,692
Advertising and promotion	4,983	4,679	4,250
Pennsylvania shares tax	4,604	4,500	4,602
Intangible amortization	3,497	3,689	3,344
Other professional fees and services	4,501	3,886	4,631
FDIC insurance	2,529	2,699	1,219
Asset Impairment Charges	303	680	1,724
Litigation and operational losses	2,324	1,411	1,687
Merger and acquisition related	0	0	3,536
COVID-19 related expenses	449	874	0
Voluntary retirement plan expenses	0	3,422	0
Branch consolidation expense	(103)	2,672	0
Other operating expenses	26,663	24,770	27,960
Total noninterest expense	213,857	215,826	209,965
Income before income taxes	172,817	90,203	130,849
Income tax provision	34,560	16,756	25,516
Net Income	$ 138,257	$ 73,447	$ 105,333
Average Shares Outstanding (in shares)	95,583,890	97,499,586	98,317,787
Average Shares Outstanding Assuming Dilution (in shares)	95,840,285	97,758,965	98,588,164
Per Share Data:
Basic Earnings Per Share (in dollars per share)	$ 1.45	$ 0.75	$ 1.07
Diluted Earnings Per Share (in dollars per share)	1.44	0.75	1.07
Cash Dividends Declared per Common Share (in dollars per share)	$ 0.455	$ 0.440	$ 0.400