XML 53 R41.htm IDEA: XBRL DOCUMENT
v3.10.0.1

EMPLOYEE BENEFIT PLANS (Tables) | 6 Months Ended
--- | ---
Jun. 30, 2018
Retirement Benefits [Abstract] |
Schedule of Defined Benefit Plans Disclosures [Table Text Block] | The components of net periodic pension cost consisted of the following for the periods set forth below (amounts in thousands):
| Three months ended |  | Six months ended
| June 30, |  | June 30,
| 2018 |  | 2017 |  | 2018 |  | 2017
Service cost | $ | 141 |  |  | $ | 128 |  |  | $ | 278 |  |  | $ | 353 |
Interest cost | 1,098 |  |  | 1,163 |  |  | 2,181 |  |  | 2,334 |
Expected return on assets | (1,491 | ) |  | (1,368 | ) |  | (2,983 | ) |  | (2,737 | )
Amortization of unrecognized prior service cost | 50 |  |  | 34 |  |  | 100 |  |  | 68 |
Amortization of net unrecognized loss | 690 |  |  | 655 |  |  | 1,366 |  |  | 1,329 |
Net periodic pension cost | $ | 488 |  |  | $ | 612 |  |  | $ | 942 |  |  | $ | 1,347 |

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://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=82843861&loc=d3e2439-114920 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=82843861&loc=d3e2417-114920 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=82843861&loc=d3e2410-114920 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 55 -Paragraph 17 -URI http://asc.fasb.org/extlink&oid=77993564&loc=d3e4179-114921 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=82843861&loc=d3e1928-114920 + Details
Name: | us-gaap_ScheduleOfDefinedBenefitPlansDisclosuresTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration