v3.19.3.a.u2

EMPLOYEE BENEFIT PLANS Table 1 - Changes in Benefit Obligation/Fair Value of Plan Assets/Funded Status/Amounts Recognized in Consolidated Balance Sheets (Details) - USD ($) $ in Thousands | 12 Months Ended |  |
--- | --- | --- | ---
Dec. 31, 2019 | Dec. 31, 2018 | Dec. 31, 2017 | Dec. 31, 2019 | Dec. 31, 2018
Pension Plan [Member] |  |  |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |  |  |
Accumulated benefit obligation for the Pension Plans |  |  |  | $ 164,200 | $ 139,700
Change in benefit obligation: |  |  |  |  |
Benefit obligation, January 1 | $ 141,833 | $ 149,817 |  |  |
Service cost | 9,549 | 9,621 | $ 8,955 |  |
Interest cost | 5,480 | 4,824 | 4,507 |  |
Benefits paid | (7,109) | (7,929) |  |  |
Participant contributions | 0 | 0 |  |  |
Actuarial loss (gain) | 17,504 | (14,500) |  |  |
Benefit obligation, December 31 | 167,257 | 141,833 | 149,817 |  |
Change in plan assets: |  |  |  |  |
Plan assets at fair value, January 1 | 126,949 | 129,878 |  |  |
Actual return on plan assets | 28,064 | (6,034) |  |  |
Employer contributions | 11,132 | 11,034 |  |  |
Benefits paid | (7,109) | (7,929) |  |  |
Participant contributions | 0 | 0 |  |  |
Plan assets at fair value, December 31 | 159,036 | 126,949 | 129,878 |  |
Reconciliation of funded status: |  |  |  |  |
Fair value of plan assets at December 31 | 159,036 | 126,949 | 129,878 | 159,036 | 126,949
Less: Benefit obligation at December 31 | 167,257 | 141,833 | 149,817 | 167,257 | 141,833
Funded status at December 31 |  |  |  | (8,221) | (14,884)
Amounts recognized in the consolidated balance sheets: |  |  |  |  |
Accrued liabilities |  |  |  | (303) | (267)
Other long-term liabilities |  |  |  | (7,918) | (14,617)
Net pension liability |  |  |  | (8,221) | (14,884)
Other Postretirement Benefit Plans [Member] |  |  |  |  |
Change in benefit obligation: |  |  |  |  |
Benefit obligation, January 1 | 10,908 | 12,410 |  |  |
Service cost | 431 | 504 | 456 |  |
Interest cost | 453 | 429 | 430 |  |
Benefits paid | (217) | (255) |  |  |
Participant contributions | 62 | 87 |  |  |
Actuarial loss (gain) | 1,559 | (2,267) |  |  |
Benefit obligation, December 31 | 13,196 | 10,908 | 12,410 |  |
Change in plan assets: |  |  |  |  |
Plan assets at fair value, January 1 | 0 | 0 |  |  |
Actual return on plan assets | 0 | 0 |  |  |
Employer contributions | 155 | 168 |  |  |
Benefits paid | (217) | (255) |  |  |
Participant contributions | 62 | 87 |  |  |
Plan assets at fair value, December 31 | 0 | 0 | 0 |  |
Reconciliation of funded status: |  |  |  |  |
Fair value of plan assets at December 31 | 0 | 0 | 0 | 0 | 0
Less: Benefit obligation at December 31 | $ 13,196 | $ 10,908 | $ 12,410 | 13,196 | 10,908
Funded status at December 31 |  |  |  | (13,196) | (10,908)
Amounts recognized in the consolidated balance sheets: |  |  |  |  |
Accrued liabilities |  |  |  | (368) | (362)
Other long-term liabilities |  |  |  | (12,828) | (10,546)
Net pension liability |  |  |  | $ (13,196) | $ (10,908)

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