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Accumulated Other Comprehensive Income (Loss) | 12 Months Ended
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Dec. 31, 2023
Equity [Abstract] |
Accumulated Other Comprehensive Income (Loss) | Accumulated Other Comprehensive Income (Loss) The components of AOCI for the Company are as follows:
($ in thousands) |  | December 31, 2023 |  | December 31, 2022 |  | December 31, 2021
Unrealized loss on securities available for sale |  | $ | (400,720) |  |  | (444,063) |  |  | (32,067) |
Deferred tax asset |  | 92,767 |  |  | 102,046 |  |  | 7,369 |
Net unrealized loss on securities available for sale |  | (307,953) |  |  | (342,017) |  |  | (24,698) |
Postretirement plans (liability) asset |  | (100) |  |  | 54 |  |  | (353) |
Deferred tax asset (liability) |  | 23 |  |  | (12) |  |  | 81 |
Net postretirement plans (liability) asset |  | (77) |  |  | 42 |  |  | (272) |
Total accumulated other comprehensive loss |  | $ | (308,030) |  |  | (341,975) |  |  | (24,970) |
The following table discloses the changes in AOCI for the years ended December 31, 2023, 2022, and 2021 (all amounts are net of tax).
($ in thousands) |  | Unrealized Gain (Loss) on Securities Available for Sale |  | Postretirement Plans (Liability) Asset |  | Total
Beginning balance at January 1, 2021 |  | $ | 15,749 |  |  | (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 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) |
Other comprehensive income (loss) before reclassifications |  | 34,064 |  |  | (466) |  |  | 33,598 |
Amounts reclassified from accumulated other comprehensive income |  | — |  |  | 347 |  |  | 347 |
Net current-period other comprehensive income (loss) |  | 34,064 |  |  | (119) |  |  | 33,945 |
Ending balance at December 31, 2023 |  | $ | (307,953) |  |  | (77) |  |  | (308,030) |
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 AOCI, net of taxes, and are recorded in the "Other operating expenses" line item of the consolidated statements of income.

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- Definition The entire disclosure for comprehensive income, which includes, but is not limited to, 1) the amount of income tax expense or benefit allocated to each component of other comprehensive income, including reclassification adjustments, 2) the reclassification adjustments for each classification of other comprehensive income and 3) the ending accumulated balances for each component of comprehensive income. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 944 -SubTopic 220 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-04(19)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147483586/944-220-S99-1 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 220 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03(21)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147483621/220-10-S99-2 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 942 -SubTopic 220 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-04(23)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147483589/942-220-S99-1 Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 220 -Name Accounting Standards Codification -Publisher FASB -URI https://asc.fasb.org//220/tableOfContent + Details
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