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Other Liabilities | 12 Months Ended
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Dec. 31, 2017
Other Liabilities [Abstract] |
Other Liabilities | 9. Other Liabilities Other liabilities consist of the following (U.S. dollars in thousands):
|  | December 31, |
|  | 2016 |  |  | 2017 |
Deferred tax liabilities |  | $ | 643 |  |  | $ | 36,718 |
Reserve for other tax liabilities |  |  | 6,264 |  |  |  | 7,163 |
Liability for deferred compensation plan |  |  | 36,730 |  |  |  | 43,248 |
Pension plan benefits reserve |  |  | 5,631 |  |  |  | 6,359 |
Build to suit – financing obligation |  |  | 9,543 |  |  |  | 10,290 |
Deferred rent and deferred tenant incentives |  |  | 5,952 |  |  |  | 6,389 |
Asset retirement obligation |  |  | 5,682 |  |  |  | 6,578 |
Other |  |  | 6,354 |  |  |  | 10,371 |
|  | $ | 76,799 |  |  | $ | 127,116 |

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- Definition The entire disclosure for other liabilities. + 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 210.5-02.20,24) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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