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VESSELS AND EQUIPMENT, NET (Details) (Container Vessels [Member], USD $) In Millions, unless otherwise specified | 6 Months Ended
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Jun. 30, 2014 carriers
Container Vessels [Member] |
Property Subject to or Available for Operating Lease [Line Items] |
Number Of Container Vessel Acquired | 9
Cost of Acquired Vessels | $ 127.9

X
- Definition Cost of Acquired Vessels + References No definition available. + Details
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Namespace Prefix: | sfl_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

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- Definition Number Of Container Vessel Acquired + References No definition available. + Details
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Namespace Prefix: | sfl_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

X
- Details
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Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration