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Accumulated Other Comprehensive (Loss) Income
 12 Months Ended
Dec. 31, 2022
Equity [Abstract]  
Accumulated Other Comprehensive (Loss) Income Accumulated Other Comprehensive (Loss) Income
The components of AOCI for the Company are as follows:
($ in thousands)December 31,
2022		December 31,
2021		December 31,
2020
Unrealized (loss) gain on securities available for sale$(444,063)(32,067)20,448 
Deferred tax asset (liability)102,046 7,369 (4,699)
Net unrealized (loss) gain on securities available for sale(342,017)(24,698)15,749 
Postretirement plans asset (liability)
54 (353)(1,817)
Deferred tax (liability) asset(12)81 418 
Net postretirement plans asset (liability)
42 (272)(1,399)
Total accumulated other comprehensive (loss) income$(341,975)(24,970)14,350 
The following table discloses the changes in AOCI for the years ended December 31, 2022, 2021, and 2020 (all amounts are net of tax).
($ in thousands)Unrealized Gain (Loss) on Securities Available for SalePostretirement Plans (Liability) AssetTotal
Beginning balance at January 1, 2020$7,504 (2,381)5,123 
Other comprehensive income before reclassifications14,425 454 14,879 
Amounts reclassified from accumulated other comprehensive income
(6,180)528 (5,652)
Net current-period other comprehensive income8,245 982 9,227 
Ending balance at December 31, 202015,749 (1,399)14,350 
Other comprehensive (loss) income before reclassifications(41,400)671 (40,729)
Amounts reclassified from accumulated other comprehensive income
953 456 1,409 
Net current-period other comprehensive (loss) income(40,447)1,127 (39,320)
Ending balance at  at December 31, 2021(24,698)(272)(24,970)
Other comprehensive (loss) income before reclassifications(317,319)536 (316,783)
Amounts reclassified from accumulated other comprehensive income
— (222)(222)
Net current-period other comprehensive (loss) income(317,319)314 (317,005)
Ending balance at December 31, 2022$(342,017)42 (341,975)

Amounts reclassified from AOCI for Unrealized Gain (Loss) on Securities AFS represent realized securities gains or losses, net of tax effects. Amounts reclassified from AOCI for Postretirement Plans Asset (Liability) represent amortization of amounts included in , net of taxes, and are recorded in the "Other operating expenses" line item of the consolidated statements of income.