Goodwill, Intangible Assets and In-Process Revenue Contracts (Tables)

12 Months Ended

Dec. 31, 2012

Carrying Amount of Goodwill for Company's Reportable Segment

The carrying amount of goodwill for the years ended December 31, 2012 and 2011, for the Company’s reportable segments are as follows:

	Shuttle Tanker and FSO Segment $		Liquefied  Gas Segment $		Conventional Tanker Segment $			Total $
Balance as of December 31, 2010		130,908		35,631		36,652			203,191
Goodwill impairment		—		—		(36,652	)		(36,652	)
Balance as of December 31, 2011 and 2012		130,908		35,631		—			166,539

Summary of Intangible Assets

As at December 31, 2012, the Company’s intangible assets consisted of:

	Weighted-Average Amortization Period (Years)		Gross  Carrying Amount $		Accumulated Amortization $			Net  Carrying Amount $
Customer contracts		13.7		316,684		(191,587	)		125,097
Other intangible assets		0.9		1,280		(241	)		1,039
		13.6		317,964		(191,828	)		126,136

As at December 31, 2011 the Company’s intangible assets consisted of:

	Weighted-Average Amortization Period (Years)		Gross Carrying Amount $		Accumulated Amortization $			Net  Carrying Amount $
Customer contracts		15.6		329,815		(194,266	)		135,549
Other intangible assets		4.5		11,430		(10,237	)		1,193
		15.2		341,245		(204,503	)		136,742