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INCOME TAX (Details) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Sep. 30, 2022
Sep. 30, 2021
Sep. 30, 2022
Sep. 30, 2021
Reconciliation of Federal Statutory to Actual Tax Expense:        
Federal statutory income tax at 21% $ 15,445 $ 12,984 $ 36,176 $ 39,082
Tax-exempt interest income (4,974) (4,196) (14,371) (11,795)
Share-based compensation (79) 119 (146) 47
Tax-exempt earnings and gains on life insurance (1,397) (503) (2,026) (1,037)
Tax credits (122) (127) (292) (277)
State Income Tax 658 678 1,177 2,252
Other 262 107 420 36
Actual Tax Expense $ 9,793 $ 9,062 $ 20,938 $ 28,308
Effective Tax Rate 13.30% 14.70% 12.20% 15.20%