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Other Assets (Tables) | 12 Months Ended
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Dec. 31, 2016
Deferred Costs Capitalized Prepaid And Other Assets Disclosure [Abstract] |
Summary of Other Assets |
| December 31, |
| 2015 |  |  | 2016 |
| (In thousands) |
Restricted cash | $ | 1,273 |  |  | $ | 1,289 |
Pension asset |  | 1,303 |  |  |  | 1,037 |
Other |  | 755 |  |  |  | 950 |
Total | $ | 3,331 |  |  | $ | 3,276 |

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- Definition Tabular disclosure of noncurrent assets. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.17) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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