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ACCUMULATED OTHER COMPREHENSIVE INCOME (LOSS) | 6 Months Ended
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Jun. 30, 2023
Equity [Abstract] |
ACCUMULATED OTHER COMPREHENSIVE INCOME (LOSS) | ACCUMULATED OTHER COMPREHENSIVE INCOME (LOSS) Shareholders’ equity is affected by transactions and valuations of asset and liability positions that require adjustments to accumulated other comprehensive income (loss). The following table summarizes the changes within each classification of AOCI:
|  | Three months ended June 30, 2023
|  | Total other comprehensive income (loss) |  | Total accumulated other comprehensive income (loss)
(Dollars in thousands) |  | Prior to reclass |  | Reclass from |  | Pre-tax |  | Tax effect |  | Net of tax |  | Beginning balance |  | Net activity |  | Ending balance
Unrealized gain (loss) on debt securities |  | $ | (31,545) |  |  | $ | 384 |  |  | $ | (31,929) |  |  | $ | 7,033 |  |  | $ | (24,896) |  |  | $ | (295,440) |  |  | $ | (24,896) |  |  | $ | (320,336) |
Unrealized gain (loss) on derivatives |  | (430) |  |  | 0 |  |  | (430) |  |  | 99 |  |  | (331) |  |  | 0 |  |  | (331) |  |  | (331) |
Retirement obligation |  | 0 |  |  | (171) |  |  | 171 |  |  | (39) |  |  | 132 |  |  | (31,908) |  |  | 132 |  |  | (31,776) |
Foreign currency translation |  | 144 |  |  | 0 |  |  | 144 |  |  | 0 |  |  | 144 |  |  | (711) |  |  | 144 |  |  | (567) |
Total |  | $ | (31,831) |  |  | $ | 213 |  |  | $ | (32,044) |  |  | $ | 7,093 |  |  | $ | (24,951) |  |  | $ | (328,059) |  |  | $ | (24,951) |  |  | $ | (353,010) |
|  | Three months ended June 30, 2022
|  | Total other comprehensive income (loss) |  | Total accumulated other comprehensive income (loss)
(Dollars in thousands) |  | Prior to reclass |  | Reclass from |  | Pre-tax |  | Tax effect |  | Net of tax |  | Beginning balance |  | Net activity |  | Ending balance
Unrealized gain (loss) on debt securities |  | $ | (129,632) |  |  | $ | 0 |  |  | $ | (129,632) |  |  | $ | 28,554 |  |  | $ | (101,078) |  |  | $ | (121,363) |  |  | $ | (101,078) |  |  | $ | (222,441) |
Retirement obligation |  | 0 |  |  | (330) |  |  | 330 |  |  | (76) |  |  | 254 |  |  | (20,500) |  |  | 254 |  |  | (20,246) |
Foreign currency translation |  | (27) |  |  | 0 |  |  | (27) |  |  | 0 |  | (27) |  |  | (614) |  |  | (27) |  |  | (641) |
Total |  | $ | (129,659) |  |  | $ | (330) |  |  | $ | (129,329) |  |  | $ | 28,478 |  |  | $ | (100,851) |  |  | $ | (142,477) |  |  | $ | (100,851) |  |  | $ | (243,328) |
|  | Six months ended June 30, 2023
|  | Total other comprehensive income (loss) |  | Total accumulated other comprehensive income (loss)
(Dollars in thousands) |  | Prior to reclass |  | Reclass from |  | Pre-tax |  | Tax effect |  | Net of tax |  | Beginning balance |  | Net activity |  | Ending balance
Unrealized gain (loss) on debt securities |  | $ | 8,072 |  |  | $ | 903 |  |  | $ | 7,169 |  |  | $ | (1,580) |  |  | $ | 5,589 |  |  | $ | (325,925) |  |  | $ | 5,589 |  |  | $ | (320,336) |
Unrealized gain (loss) on derivatives |  | (430) |  |  | 0 |  |  | (430) |  |  | 99 |  |  | (331) |  |  | 0 |  |  | (331) |  |  | (331) |
Retirement obligation |  | 0 |  |  | (321) |  |  | 321 |  |  | (74) |  |  | 247 |  |  | (32,023) |  |  | 247 |  |  | (31,776) |
Foreign currency translation |  | 148 |  |  | 0 |  |  | 148 |  |  | 0 |  |  | 148 |  |  | (715) |  |  | 148 |  |  | (567) |
Total |  | $ | 7,790 |  |  | $ | 582 |  |  | $ | 7,208 |  |  | $ | (1,555) |  |  | $ | 5,653 |  |  | $ | (358,663) |  |  | $ | 5,653 |  |  | $ | (353,010) |
|  | Six months ended June 30, 2022
|  | Total other comprehensive income (loss) |  | Total accumulated other comprehensive income (loss)
(Dollars in thousands) |  | Prior to reclass |  | Reclass from |  | Pre-tax |  | Tax effect |  | Net of tax |  | Beginning balance |  | Net activity |  | Ending balance
Unrealized gain (loss) on debt securities |  | $ | (312,111) |  |  | $ | (3) |  |  | $ | (312,108) |  |  | $ | 68,629 |  |  | $ | (243,479) |  |  | $ | 21,038 |  |  | $ | (243,479) |  |  | $ | (222,441) |
Retirement obligation |  | 0 |  |  | (655) |  |  | 655 |  |  | (55) |  |  | 600 |  |  | (20,846) |  |  | 600 |  |  | (20,246) |
Foreign currency translation |  | (16) |  |  | 0 |  |  | (16) |  |  | 0 |  |  | (16) |  |  | (625) |  |  | (16) |  |  | (641) |
Total |  | $ | (312,127) |  |  | $ | (658) |  |  | $ | (311,469) |  |  | $ | 68,574 |  |  | $ | (242,895) |  |  | $ | (433) |  |  | $ | (242,895) |  |  | $ | (243,328) |
The following table presents the activity reclassified from accumulated other comprehensive income into income during the three and six month periods ended June 30, 2023 and 2022, respectively:
|  | Amount reclassified from accumulated other comprehensive income (loss) |  |
|  | Three months ended |  | Six months ended |  |
|  | June 30, |  | June 30, |  |
(Dollars in thousands) |  | 2023 |  | 2022 |  | 2023 |  | 2022 |  | Affected Line Item in the Consolidated Statements of Income
Realized gain (loss) on securities available-for-sale |  | $ | 384 |  |  | $ | 0 |  |  | $ | 903 |  |  | $ | (3) |  |  | Net gain (loss) on sales of investments securities
Defined benefit pension plan |  |  |  |  |  |  |  |
Amortization of prior service cost (1) |  | (1) |  |  | 75 |  |  | (1) |  |  | 150 |  |  | Other noninterest expense
Recognized net actuarial loss (1) |  | (170) |  |  | (405) |  |  | (320) |  |  | (805) |  |  | Other noninterest expense
Defined benefit pension plan total |  | (171) |  |  | (330) |  |  | (321) |  |  | (655) |  |  |
Total reclassifications for the period, before tax |  | $ | 213 |  |  | $ | (330) |  |  | $ | 582 |  |  | $ | (658) |  |  |
(1) Included in the computation of net periodic pension cost (see Note 14 - Employee Benefit Plans for additional details).

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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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