CONSOLIDATED STATEMENTS OF INCOME - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Loans receivable:
Taxable	$ 470,468	$ 338,009	$ 358,264
Tax-exempt	25,124	22,110	21,483
Investment securities:
Taxable	38,354	29,951	24,440
Tax-exempt	67,381	55,331	42,341
Deposits with financial institutions	2,503	634	938
Federal Home Loan Bank stock	1,176	597	1,042
Total Interest Income	605,006	446,632	448,508
INTEREST EXPENSE
Deposits	62,939	23,319	51,740
Federal funds purchased	1,302	5	120
Securities sold under repurchase agreements	1,136	314	604
Federal Home Loan Bank advances	11,417	5,672	6,973
Subordinated debentures and other borrowings	8,009	6,642	6,944
Total Interest Expense	84,803	35,952	66,381
NET INTEREST INCOME	520,203	410,680	382,127
Provision for credit losses - loans	16,755	0	58,673
NET INTEREST INCOME AFTER PROVISION FOR CREDIT LOSSES	503,448	410,680	323,454
NON-INTEREST INCOME
Net gains and fees on sales of loans	10,055	19,689	18,271
Increase in cash surrender value of life insurance	5,210	4,873	5,040
Gains on life insurance benefits	5,964	2,187	100
Net realized gains on sales of available for sale securities	1,194	5,674	11,895
Other income	1,929	3,008	1,898
Total Non-Interest Income	107,941	109,323	109,926
NON-INTEREST EXPENSES
Salaries and employee benefits	206,893	166,995	155,937
Net occupancy	26,211	23,326	26,756
Equipment	23,945	19,401	19,344
Marketing	7,708	5,762	6,609
Outside data processing fees	21,682	18,317	14,432
Printing and office supplies	1,588	1,217	1,304
Intangible asset amortization	8,275	5,747	5,987
FDIC assessments	10,235	6,243	5,804
Other real estate owned and foreclosure expenses	823	992	330
Professional and other outside services	21,642	11,913	8,901
Other expenses	26,713	19,300	18,001
Total Non-Interest Expenses	355,715	279,213	263,405
INCOME BEFORE INCOME TAX	255,674	240,790	169,975
Income tax expense	33,585	35,259	21,375
NET INCOME	222,089	205,531	148,600
Preferred stock dividends	1,406	0	0
NET INCOME AVAILABLE TO COMMON STOCKHOLDERS	$ 220,683	$ 205,531	$ 148,600
NET INCOME AVAILABLE TO COMMON STOCKHOLDERS PER SHARE DATA:
Basic (in dollars per share)	$ 3.83	$ 3.82	$ 2.75
Diluted (in dollars per share)	$ 3.81	$ 3.81	$ 2.74
Service charges on deposit accounts
NON-INTEREST INCOME
Other income	$ 28,371	$ 23,571	$ 20,999
Fiduciary and wealth management fees
NON-INTEREST INCOME
Other income	29,688	28,362	23,747
Card payment fees
NON-INTEREST INCOME
Other income	20,207	16,619	19,502
Derivative hedge fees
NON-INTEREST INCOME
Other income	3,388	3,850	6,977
Other customer fees
NON-INTEREST INCOME
Other income	$ 1,935	$ 1,490	$ 1,497