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ACCUMULATED OTHER COMPREHENSIVE INCOME (LOSS)
3 Months Ended
Mar. 31, 2024
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 March 31, 2024
 Total other comprehensive income (loss)Total accumulated
other comprehensive income (loss)
(Dollars in thousands)Prior to
reclass
Reclass
from
Pre-taxTax effectNet of taxBeginning balanceNet activityEnding balance
Unrealized gain (loss) on debt securities$(16,734)$(7,518)$(9,216)$2,030 $(7,186)$(281,958)$(7,186)$(289,144)
Unrealized gain (loss) on derivatives(5,521)(199)(5,322)1,231 (4,091)3,755 (4,091)(336)
Retirement obligation(375)375 (87)288 (31,117)288 (30,829)
Foreign currency translation(301)(301)(301)(499)(301)(800)
Total$(22,556)$(8,092)$(14,464)$3,174 $(11,290)$(309,819)$(11,290)$(321,109)

 Three months ended March 31, 2023
 Total other comprehensive income (loss)Total accumulated
other comprehensive income (loss)
(Dollars in thousands)Prior to
reclass
Reclass
from
Pre-taxTax effectNet of taxBeginning balanceNet activityEnding balance
Unrealized gain (loss) on debt securities$39,079 $(19)$39,098 $(8,613)$30,485 $(325,925)$30,485 $(295,440)
Unrealized gain (loss) on derivatives
Retirement obligation(150)150 (35)115 (32,023)115 (31,908)
Foreign currency translation(715)(711)
Total$39,083 $(169)$39,252 $(8,648)$30,604 $(358,663)$30,604 $(328,059)

The following table presents the activity reclassified from accumulated other comprehensive income into income during the three month periods ended March 31, 2024 and 2023, respectively:
Amount reclassified from
accumulated other comprehensive income (loss)
Three months ended
March 31,
(Dollars in thousands)20242023Affected Line Item in the Consolidated Statements of Income
Gains and losses on cash flow hedges
Interest rate contracts$(199)$Interest income - Loans and leases, including fees
Realized gain (loss) on securities available-for-sale(7,518)(19)Net gain (loss) on sales of investments securities
Defined benefit pension plan
Amortization of prior service cost (1)
Other noninterest expense
Recognized net actuarial loss (1)
(375)(150)Other noninterest expense
Defined benefit pension plan total(375)(150)
Total reclassifications for the period, before tax$(8,092)$(169)
(1) Included in the computation of net periodic pension cost (see Note 14 - Employee Benefit Plans for additional details).