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Annual report pursuant to Section 13 and 15(d)

Pension and Other Postretirement Benefits - Fair Values of Plan Assets by Major Asset Category (Details)

v3.24.0.1
Pension and Other Postretirement Benefits - Fair Values of Plan Assets by Major Asset Category (Details) - USD ($)
$ in Thousands
Dec. 31, 2023
Dec. 31, 2022
Dec. 31, 2021
Defined Benefit Plan Disclosure [Line Items] Ìý Ìý Ìý
Fair value of Pension Plan assets $ 14,201 $ 11,650 $ 10,713
Cash and cash equivalents — money markets Ìý Ìý Ìý
Defined Benefit Plan Disclosure [Line Items] Ìý Ìý Ìý
Fair value of Pension Plan assets 1,179 2,571 Ìý
Equity Securities Ìý Ìý Ìý
Defined Benefit Plan Disclosure [Line Items] Ìý Ìý Ìý
Fair value of Pension Plan assets 8,182 392 Ìý
Equity funds Ìý Ìý Ìý
Defined Benefit Plan Disclosure [Line Items] Ìý Ìý Ìý
Fair value of Pension Plan assets 401 2,884 Ìý
Fixed income funds Ìý Ìý Ìý
Defined Benefit Plan Disclosure [Line Items] Ìý Ìý Ìý
Fair value of Pension Plan assets 1,000 598 Ìý
Taxable bonds Ìý Ìý Ìý
Defined Benefit Plan Disclosure [Line Items] Ìý Ìý Ìý
Fair value of Pension Plan assets 3,439 5,205 Ìý
Quoted Prices in Active Markets for Identical Assets (Level 1) Ìý Ìý Ìý
Defined Benefit Plan Disclosure [Line Items] Ìý Ìý Ìý
Fair value of Pension Plan assets 14,201 11,650 Ìý
Quoted Prices in Active Markets for Identical Assets (Level 1) | Cash and cash equivalents — money markets Ìý Ìý Ìý
Defined Benefit Plan Disclosure [Line Items] Ìý Ìý Ìý
Fair value of Pension Plan assets 1,179 2,571 Ìý
Quoted Prices in Active Markets for Identical Assets (Level 1) | Equity Securities Ìý Ìý Ìý
Defined Benefit Plan Disclosure [Line Items] Ìý Ìý Ìý
Fair value of Pension Plan assets 8,182 392 Ìý
Quoted Prices in Active Markets for Identical Assets (Level 1) | Equity funds Ìý Ìý Ìý
Defined Benefit Plan Disclosure [Line Items] Ìý Ìý Ìý
Fair value of Pension Plan assets 401 2,884 Ìý
Quoted Prices in Active Markets for Identical Assets (Level 1) | Fixed income funds Ìý Ìý Ìý
Defined Benefit Plan Disclosure [Line Items] Ìý Ìý Ìý
Fair value of Pension Plan assets 1,000 598 Ìý
Quoted Prices in Active Markets for Identical Assets (Level 1) | Taxable bonds Ìý Ìý Ìý
Defined Benefit Plan Disclosure [Line Items] Ìý Ìý Ìý
Fair value of Pension Plan assets 3,439 5,205 Ìý
Significant Other Observable Inputs (Level 2) Ìý Ìý Ìý
Defined Benefit Plan Disclosure [Line Items] Ìý Ìý Ìý
Fair value of Pension Plan assets 0 0 Ìý
Significant Other Observable Inputs (Level 2) | Cash and cash equivalents — money markets Ìý Ìý Ìý
Defined Benefit Plan Disclosure [Line Items] Ìý Ìý Ìý
Fair value of Pension Plan assets 0 0 Ìý
Significant Other Observable Inputs (Level 2) | Equity Securities Ìý Ìý Ìý
Defined Benefit Plan Disclosure [Line Items] Ìý Ìý Ìý
Fair value of Pension Plan assets 0 0 Ìý
Significant Other Observable Inputs (Level 2) | Equity funds Ìý Ìý Ìý
Defined Benefit Plan Disclosure [Line Items] Ìý Ìý Ìý
Fair value of Pension Plan assets 0 0 Ìý
Significant Other Observable Inputs (Level 2) | Fixed income funds Ìý Ìý Ìý
Defined Benefit Plan Disclosure [Line Items] Ìý Ìý Ìý
Fair value of Pension Plan assets 0 0 Ìý
Significant Other Observable Inputs (Level 2) | Taxable bonds Ìý Ìý Ìý
Defined Benefit Plan Disclosure [Line Items] Ìý Ìý Ìý
Fair value of Pension Plan assets 0 0 Ìý
Significant Unobservable Inputs (Level 3) Ìý Ìý Ìý
Defined Benefit Plan Disclosure [Line Items] Ìý Ìý Ìý
Fair value of Pension Plan assets 0 0 Ìý
Significant Unobservable Inputs (Level 3) | Cash and cash equivalents — money markets Ìý Ìý Ìý
Defined Benefit Plan Disclosure [Line Items] Ìý Ìý Ìý
Fair value of Pension Plan assets 0 0 Ìý
Significant Unobservable Inputs (Level 3) | Equity Securities Ìý Ìý Ìý
Defined Benefit Plan Disclosure [Line Items] Ìý Ìý Ìý
Fair value of Pension Plan assets 0 0 Ìý
Significant Unobservable Inputs (Level 3) | Equity funds Ìý Ìý Ìý
Defined Benefit Plan Disclosure [Line Items] Ìý Ìý Ìý
Fair value of Pension Plan assets 0 0 Ìý
Significant Unobservable Inputs (Level 3) | Fixed income funds Ìý Ìý Ìý
Defined Benefit Plan Disclosure [Line Items] Ìý Ìý Ìý
Fair value of Pension Plan assets 0 0 Ìý
Significant Unobservable Inputs (Level 3) | Taxable bonds Ìý Ìý Ìý
Defined Benefit Plan Disclosure [Line Items] Ìý Ìý Ìý
Fair value of Pension Plan assets $ 0 $ 0 Ìý