Vessels (Tables)

12 Months Ended

Dec. 31, 2016

Property Plant And Equipment [Abstract]

Schedule of Vessels

December 31, 2016	Cost		Accumulated depreciation		Net book value
Vessels	$	6,126,220	$	1,548,553	$	4,577,667
Vessels under construction		306,182		—		306,182
Vessels	$	6,432,402	$	1,548,553	$	4,883,849

December 31, 2015	Cost		Accumulated depreciation		Net book value
Vessels	$	6,149,625	$	1,080,396	$	5,069,229
Vessels under construction		209,119		—		209,119
Vessels	$	6,358,744	$	1,080,396	$	5,278,348