Quarterly report pursuant to Section 13 or 15(d)

BUSINESS AND BASIS OF PRESENTATION (Restatment Impact of Consolidated Statement of Comprehensive Income) (Details)

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BUSINESS AND BASIS OF PRESENTATION (Restatment Impact of Consolidated Statement of Comprehensive Income) (Details) - USD ($)
$ in Thousands
 3 Months Ended
Mar. 31, 2023
Mar. 31, 2022
Error Corrections And Prior Period Adjustments Restatement [Line Items]    
Net Income Attributable to Common Shareowners $ 13,709 $ 6,938
Change in net unrealized gain (loss) on securities available for sale 6,808 (25,448)
Amortization of unrealized losses on securities transferred from available for sale to held to maturity 865 3
Change in net unrealized gain on effective cash flow derivative (801) 1,836
Pension Settlement 0 209
Total Benefit Plans 0 209
Other comprehensive income (loss), before tax 6,872 (23,400)
Deferred tax expense (benefit) related to other comprehensive income 1,719 (5,871)
Other comprehensive income (loss), net of tax 5,153 (17,529)
TOTAL COMPREHENSIVE INCOME (LOSS) 18,862 (10,591)
Scenario Previously Reported [Member]    
Error Corrections And Prior Period Adjustments Restatement [Line Items]    
Net Income Attributable to Common Shareowners 14,954 8,455
Change in net unrealized gain (loss) on securities available for sale 6,808 (25,448)
Amortization of unrealized losses on securities transferred from available for sale to held to maturity 865 3
Change in net unrealized gain on effective cash flow derivative (801) 1,836
Pension Settlement 0 209
Total Benefit Plans 0 209
Other comprehensive income (loss), before tax 6,872 (23,400)
Deferred tax expense (benefit) related to other comprehensive income 1,719 (5,871)
Other comprehensive income (loss), net of tax 5,153 (17,529)
TOTAL COMPREHENSIVE INCOME (LOSS) 20,107 $ (9,074)
Restatement Adjustment [Member]    
Error Corrections And Prior Period Adjustments Restatement [Line Items]    
Net Income Attributable to Common Shareowners (1,245)  
Change in net unrealized gain (loss) on securities available for sale 0  
Amortization of unrealized losses on securities transferred from available for sale to held to maturity 0  
Change in net unrealized gain on effective cash flow derivative 0  
Other comprehensive income (loss), before tax 0  
Deferred tax expense (benefit) related to other comprehensive income 0  
Other comprehensive income (loss), net of tax 0  
TOTAL COMPREHENSIVE INCOME (LOSS) $ (1,245)