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DESCRIPTION OF THE BUSINESS (Details) | 12 Months Ended
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Dec. 31, 2020 facility segment
DESCRIPTION OF THE BUSINESS |
Number of reportable segments | segment | 2
SSAT |
DESCRIPTION OF THE BUSINESS |
Number of terminal facilities on which SSAT provided terminal and stevedoring services on the U.S. West Coast | 7
Ocean Transportation | SSAT |
DESCRIPTION OF THE BUSINESS |
Ownership interest in SSAT (as a percent) | 35.00%
MatNav | SSAT |
DESCRIPTION OF THE BUSINESS |
Number of terminal facilities on which SSAT provided terminal and stevedoring services on the U.S. West Coast | 3

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- Definition The percentage of ownership of common stock or equity participation in the investee accounted for under the equity method of accounting. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 323 -SubTopic 10 -Section 50 -Paragraph 3 -Subparagraph (a)(1) -URI http://asc.fasb.org/extlink&oid=114001798&loc=d3e33918-111571 + Details
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- Definition Number of segments reported by the entity. A reportable segment is a component of an entity for which there is an accounting requirement to report separate financial information on that component in the entity's financial statements. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 18 -URI http://asc.fasb.org/extlink&oid=120311839&loc=d3e8672-108599 + Details
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