XML 75 R37.htm IDEA: XBRL DOCUMENT
v3.20.1

Other Noncurrent Liabilities (Tables) | 12 Months Ended
--- | ---
Dec. 31, 2019
Other Liabilities Disclosure [Abstract] |
Summary of Other Noncurrent Liabilities |
| December 31, |
| 2018 |  |  | 2019 |
| (In thousands) |
Reserve for uncertain tax positions | $ | 7,312 |  |  | $ | 4,053 |
OPEB |  | 1,519 |  |  |  | 1,129 |
Insurance claims and expenses |  | 621 |  |  |  | 665 |
Other |  | 463 |  |  |  | 413 |
Total | $ | 9,915 |  |  | $ | 6,260 |

X
- References No definition available. + Details
Name: | us-gaap_OtherLiabilitiesDisclosureAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of other noncurrent liabilities. + References No definition available. + Details
Name: | us-gaap_OtherNoncurrentLiabilitiesTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration