XML 39 R28.htm IDEA: XBRL DOCUMENT
v3.20.2

Retirement Benefit Plans (Tables) | 9 Months Ended
--- | ---
Sep. 30, 2020
Retirement Benefits [Abstract] |
Schedule of Defined Benefit Plans Disclosures | The following tables provide the components of net periodic benefit costs for the three and nine month periods ended September 30, 2020 and 2019.
|  | Employees' |  | Select Executive |  | Postretirement
|  | Pension |  | Retirement |  | Benefit
|  | Plan |  | Plan |  | Plans
Net Periodic (Benefit) Cost |  |  |  |  |  |
For the Three Months Ended September 30, 2020: |  |  |  |  |  |
Service Cost 1 |  | $ | 416 |  |  | $ | 102 |  |  | $ | 30 |
Interest Cost 2 |  | 387 |  |  | 48 |  |  | 78 |
Expected Return on Plan Assets 2 |  | (902) |  |  | — |  |  | — |
Amortization of Prior Service Cost 2 |  | 15 |  |  | 11 |  |  | 27 |
Amortization of Net Loss 2 |  | 20 |  |  | 37 |  |  | — |
Net Periodic (Benefit) Cost |  | $ | (64) |  |  | $ | 198 |  |  | $ | 135 |
Plan Contributions During the Period |  | $ | — |  |  | $ | 116 |  |  | $ | 54 |
For the Three Months Ended September 30, 2019: |  |  |  |  |  |
Service Cost 1 |  | $ | 382 |  |  | $ | 81 |  |  | $ | 30 |
Interest Cost 2 |  | 513 |  |  | 54 |  |  | 91 |
Expected Return on Plan Assets 2 |  | (765) |  |  | — |  |  | — |
Amortization of Prior Service Cost 2 |  | 17 |  |  | 14 |  |  | 25 |
Amortization of Net Loss (Gain) 2 |  | 153 |  |  | 29 |  |  | (10) |
Net Periodic Cost |  | $ | 300 |  |  | $ | 178 |  |  | $ | 136 |
Plan Contributions During the Period |  | $ | — |  |  | $ | 117 |  |  | $ | 51 |
Net Periodic Benefit Cost |  |  |  |  |  |
For the Nine Months Ended September 30, 2020: |  |  |  |  |  |
Service Cost 1 |  | $ | 1,247 |  |  | $ | 306 |  |  | $ | 92 |
Interest Cost 2 |  | 1,159 |  |  | 144 |  |  | 233 |
Expected Return on Plan Assets 2 |  | (2,706) |  |  | — |  |  | — |
Amortization of Prior Service Cost 2 |  | 47 |  |  | 32 |  |  | 80 |
Amortization of Net Loss 2 |  | 61 |  |  | 110 |  |  | — |
Net Periodic (Benefit) Cost |  | $ | (192) |  |  | $ | 592 |  |  | $ | 405 |
Plan Contributions During the Period |  | $ | — |  |  | $ | 349 |  |  | $ | 191 |
Estimated Future Contributions in the Current Fiscal Year |  | $ | — |  |  | $ | — |  |  | $ | — |
For the Nine Months Ended September 30, 2019: |  |  |  |  |  |
Service Cost 1 |  | $ | 1,146 |  |  | $ | 243 |  |  | $ | 91 |
Interest Cost 2 |  | 1,253 |  |  | 162 |  |  | 273 |
Expected Return on Plan Assets 2 |  | (2,296) |  |  | — |  |  | — |
Amortization of Prior Service Cost 2 |  | 52 |  |  | 41 |  |  | 76 |
Amortization of Net Loss (Benefit) 2 |  | 460 |  |  | 86 |  |  | (32) |
Net Periodic Cost |  | $ | 615 |  |  | $ | 532 |  |  | $ | 408 |
Plan Contributions During the Period |  | $ | — |  |  | $ | 350 |  |  | $ | 142 |
Footnotes: 1. Included in Salaries and Employee Benefits on the Consolidated Statements of Income 2. Included in Other Operating Expense on the Consolidated Statements of Income

X
- References No definition available. + Details
Name: | us-gaap_CompensationAndRetirementDisclosureAbstract
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