Carrying amount as of the balance sheet date, which is the cumulative amount paid and (if applicable) the fair value of any noncontrolling interest in the acquiree, adjusted for any amortization recognized prior to the adoption of any changes in generally accepted accounting principles (as applicable) and for any impairment charges, in excess of the fair value of net assets acquired in one or more business combination transactions.

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+ Details

- Definition

Loss recognized during the period that results from the write-down of goodwill after comparing the implied fair value of reporting unit goodwill with the carrying amount of that goodwill. Goodwill is assessed at least annually for impairment.

+ References

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+ Details

Goodwill, Intangible Assets and In-Process Revenue Contracts (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2009
Reportable segment
Goodwill	$ 166,539	$ 203,191	$ 203,191
Impairment loss	(36,652)
Shuttle Tanker and FSO Segment [Member]
Reportable segment
Goodwill	130,908	130,908	130,908
FPSO Segment [Member]
Reportable segment
Goodwill
Liquefied Gas Segment [Member]
Reportable segment
Goodwill	35,631	35,631	35,631
Conventional Tanker Segment [Member]
Reportable segment
Goodwill		36,652	36,652
Impairment loss	$ (36,652)