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VESSELS UNDER CAPITAL LEASES, NET (Tables)
12 Months Ended
Dec. 31, 2011
Property and equipment:  
Components of vessels and equipment, net
Useful lives applied in depreciation are as follows:

Vessels
40 to 50 years
Deferred drydocking expenditure
two to five years
Office equipment and fittings
three to six years
Vessels and equipment
 
Property and equipment:  
Components of vessels and equipment, net
(in thousands of $)
2011

 
2010

Cost
1,584,365

 
1,446,457

Accumulated depreciation
(381,362
)
 
(343,320
)
Net book value
1,203,003

 
1,103,137

(in thousands of $)
2011

 
2010

Cost
600,395

 
599,671

Accumulated depreciation and amortization
(98,491
)
 
(84,005
)
Net book value
501,904

 
515,666