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Accumulated Other Comprehensive Income (Loss) (Tables) | 12 Months Ended
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Dec. 31, 2023
Equity [Abstract] |
Schedule of 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) |

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