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Accumulated Other Comprehensive Income (Loss) (Tables) | 12 Months Ended
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Dec. 31, 2020
Equity [Abstract] |
Schedule of Accumulated Other Comprehensive Income (Loss) | The components of accumulated other comprehensive income (loss) for the Company are as follows:
($ in thousands) | December 31, 2020 |  | December 31, 2019 |  | December 31, 2018
Unrealized gain (loss) on securities available for sale | $ | 20,448 |  |  | 9,743 |  |  | (12,390) |
Deferred tax (liability) asset | (4,699) |  |  | (2,239) |  |  | 2,896 |
Net unrealized gain (loss) on securities available for sale | 15,749 |  |  | 7,504 |  |  | (9,494) |
Postretirement plans asset (liability) | (1,817) |  |  | (3,092) |  |  | (3,220) |
Deferred tax asset (liability) | 418 |  |  | 711 |  |  | 753 |
Net postretirement plans asset (liability) | (1,399) |  |  | (2,381) |  |  | (2,467) |
Total accumulated other comprehensive income (loss) | $ | 14,350 |  |  | 5,123 |  |  | (11,961) |
The following table discloses the changes in accumulated other comprehensive income (loss) for the years ended December 31, 2020, 2019, and 2018 (all amounts are net of tax).
($ in thousands) | Unrealized Gain (Loss) on Securities Available for Sale |  | Postretirement Plans Asset (Liability) |  | Total
Beginning balance at January 1, 2018 | $ | (1,694) |  |  | (2,452) |  |  | (4,146) |
Other comprehensive income (loss) before reclassifications | (7,800) |  |  | (31) |  |  | (7,831) |
Amounts reclassified from accumulated other comprehensive income | — |  |  | 16 |  |  | 16 |
Net current-period other comprehensive income (loss) | (7,800) |  |  | (15) |  |  | (7,815) |
Ending balance at December 31, 2018 | (9,494) |  |  | (2,467) |  |  | (11,961) |
Other comprehensive income (loss) before reclassifications | 17,073 |  |  | (528) |  |  | 16,545 |
Amounts reclassified from accumulated other comprehensive income | (75) |  |  | 614 |  |  | 539 |
Net current-period other comprehensive income (loss) | 16,998 |  |  | 86 |  |  | 17,084 |
Ending balance at Ending balance at December 31, 2019 | 7,504 |  |  | (2,381) |  |  | 5,123 |
Other comprehensive income (loss) before reclassifications | 14,425 |  |  | 454 |  |  | 14,879 |
Amounts reclassified from accumulated other comprehensive income | (6,180) |  |  | 528 |  |  | (5,652) |
Net current-period other comprehensive income (loss) | 8,245 |  |  | 982 |  |  | 9,227 |
Ending balance at December 31, 2020 | $ | 15,749 |  |  | (1,399) |  |  | 14,350 |

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- Definition Tabular disclosure of the components of accumulated other comprehensive income (loss). + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 14A -URI http://asc.fasb.org/extlink&oid=118930883&loc=SL7669686-108580 + Details
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