XML 44 R34.htm IDEA: XBRL DOCUMENT
v3.20.2

Retirement Plans (Tables) | 6 Months Ended
--- | ---
Jun. 30, 2020
Pension Plan [Member] |
Defined Benefit Plan Disclosure [Line Items] |
Net Periodic Benefit Cost | The components of net periodic benefit cost for the Company’s defined benefit plans were as follows (in thousands):
|  | Pension Benefits |
|  | Pension Plan |  |  | SERP |
|  | Three months ended June 30, |  |  | Three months ended June 30, |
|  | 2020 |  |  | 2019 |  |  | 2020 |  |  | 2019 |
Components of net periodic benefit cost: |  |  |  |  |  |  |  |  |  |  |  |
Service cost |  | $ | 1,919 |  |  | $ | 1,914 |  |  | $ | — |  |  | $ | — |
Interest cost |  |  | 3,949 |  |  |  | 4,040 |  |  |  | 10 |  |  |  | 13 |
Expected return on plan assets |  |  | (5,735 | ) |  |  | (5,254 | ) |  |  | — |  |  |  | — |
Amortization of actuarial loss |  |  | 425 |  |  |  | 41 |  |  |  | 9 |  |  |  | 7 |
Net periodic benefit cost |  | $ | 558 |  |  | $ | 741 |  |  | $ | 19 |  |  | $ | 20 |
|  | Pension Benefits |
|  | Pension Plan |  |  | SERP |
|  | Six months ended June 30, |  |  | Six months ended June 30, |
|  | 2020 |  |  | 2019 |  |  | 2020 |  |  | 2019 |
Components of net periodic benefit cost: |  |  |  |  |  |  |  |  |  |  |  |
Service cost |  | $ | 3,836 |  |  | $ | 3,682 |  |  | $ | — |  |  | $ | — |
Interest cost |  |  | 7,839 |  |  |  | 8,247 |  |  |  | 20 |  |  |  | 26 |
Expected return on plan assets |  |  | (11,923 | ) |  |  | (10,478 | ) |  |  | — |  |  |  | — |
Amortization of actuarial loss |  |  | 657 |  |  |  | 719 |  |  |  | 18 |  |  |  | 14 |
Net periodic benefit cost |  | $ | 409 |  |  | $ | 2,170 |  |  | $ | 38 |  |  | $ | 40 |
Other Postretirement Benefits [Member] |
Defined Benefit Plan Disclosure [Line Items] |
Net Periodic Benefit Cost | The components of net periodic benefit cost for the Company’s postretirement benefit plan were as follows (in thousands):
|  | Other Postretirement Benefits |
|  | Postretirement Welfare Plan |
|  | Three months ended June 30, |  |  | Six months ended June 30, |
|  | 2020 |  |  | 2019 |  |  | 2020 |  |  | 2019 |
Components of net periodic benefit cost: |  |  |  |  |  |  |  |  |  |  |  |
Service cost |  | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | — |
Interest cost |  |  | 5 |  |  |  | 8 |  |  |  | 11 |  |  |  | 16 |
Amortization of actuarial gain |  |  | (130 | ) |  |  | (135 | ) |  |  | (261 | ) |  |  | (270 | )
Net periodic benefit cost |  | $ | (125 | ) |  | $ | (127 | ) |  | $ | (250 | ) |  | $ | (254 | )

X
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
Name: | us-gaap_DefinedBenefitPlanDisclosureLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of one or more of the entity's defined benefit pension plans or one or more other defined benefit postretirement plans, separately for pension plans and other postretirement benefit plans including the entity's schedule of fair value of plan assets for defined benefit or other postretirement plans. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 55 -Paragraph 17 -URI http://asc.fasb.org/extlink&oid=118257860&loc=d3e4179-114921 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=118255775&loc=d3e2439-114920 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=118255775&loc=d3e1928-114920 Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=118255775&loc=d3e2410-114920 Reference 5: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=118255775&loc=d3e2417-114920 + Details
Name: | us-gaap_ScheduleOfDefinedBenefitPlansDisclosuresTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_RetirementPlanTypeAxis=us-gaap_PensionPlansDefinedBenefitMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_RetirementPlanTypeAxis=us-gaap_OtherPostretirementBenefitPlansDefinedBenefitMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |