Long-Term Debt (Tables)

9 Months Ended

Sep. 30, 2018

Debt Disclosure [Abstract]

Schedule of Long-Term Debt

	September 30, 2018		December 31, 2017
	$		$
U.S. Dollar-denominated Revolving Credit Facilities due through 2022	560,938		629,667
U.S. Dollar-denominated Term Loans due through 2030	1,433,398		1,623,440
U.S. Dollar-denominated Term Loan due through 2021	58,255		85,574
U.S. Dollar Non-Public Bonds due through 2024	849,868		162,659
U.S. Dollar Bonds due through 2022	324,816		550,000
Norwegian Kroner Bonds due through 2019	10,547		121,889
Total principal	3,237,822		3,173,229
Less debt issuance costs and other	(47,981	)	(49,501	)
Total debt	3,189,841		3,123,728
Less current portion	(556,498	)	(589,767	)
Long-term portion	2,633,343		2,533,961