Consolidated Statements of Income - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Interest Income
Loans receivable	$ 161,617	$ 179,672	$ 183,631
Investment securities – taxable	15,132	8,493	12,606
Investment securities – tax exempt	23,246	17,213	12,095
Total interest income	199,995	205,378	208,332
Interest Expense
Deposits	7,867	18,556	33,690
Borrowed funds	4,701	11,430	10,672
Subordinated notes	3,522	1,824	0
Junior subordinated debentures issued to capital trusts	2,215	2,628	3,179
Total interest expense	18,305	34,438	47,541
Net Interest Income	181,690	170,940	160,791
Credit loss expense (recovery)	(2,084)	20,751	1,976
Net Interest Income after Credit Loss Expense	183,774	150,189	158,815
Non–interest Income
Service charges on deposit accounts	9,192	8,848	9,959
Wire transfer fees	892	1,000	653
Interchange fees	10,901	9,306	7,655
Fiduciary activities	7,419	9,145	8,580
Gains (losses) on sale of investment securities (includes $914, $4,297 and $(75) for the years ended December 31, 2021, 2020 and 2019, respectively, related to accumulated other comprehensive earnings reclassifications)	914	4,297	(75)
Gain on sale of mortgage loans	19,163	26,721	9,208
Mortgage servicing income net of impairment	2,352	(3,716)	1,914
Increase in cash value of bank owned life insurance	2,094	2,243	2,190
Death benefit on bank owned life insurance	783	264	580
Other income	4,242	1,513	2,394
Total non–interest income	57,952	59,621	43,058
Non–interest Expense
Salaries and employee benefits	74,051	71,082	65,206
Net occupancy expenses	12,541	12,811	12,157
Data processing	9,962	9,200	8,480
Professional fees	2,216	2,433	1,946
Outside services and consultants	8,449	7,318	8,152
Loan expense	11,377	10,628	8,633
FDIC insurance expense	2,377	1,855	252
Other losses	2,283	1,162	740
Other expense	16,023	14,952	16,466
Total non–interest expense	139,279	131,441	122,032
Income Before Income Taxes	102,447	78,369	79,841
Income tax expense (includes $192, $902 and $(16) for the years ended December 31, 2021, 2020 and 2019, respectively, related to income tax expense (benefit) from reclassification items)	15,356	9,870	13,303
Net Income Available to Common Shareholders	$ 87,091	$ 68,499	$ 66,538
Basic Earnings Per Share (in USD per share)	$ 1.99	$ 1.56	$ 1.53
Diluted Earnings Per Share (in USD per share)	$ 1.98	$ 1.55	$ 1.53