Long-term debt (Tables)

9 Months Ended

Sep. 30, 2017

Debt Disclosure [Abstract]

Schedule of Debt [Table Text Block]

	As of
	September 30,		December 31,
(in thousands of U.S. dollars)	2017		2016
Lampung facility:
Export credit tranche	$	127,704	$	138,868
FSRU tranche		32,208		35,340
Gallant facility:
Commercial tranche		123,112		130,222
Export credit tranche		33,917		36,667
Grace facility:
Commercial tranche		148,625		—
Export credit tranche		31,500		—
Outstanding principal		497,066		341,097
Lampung facility unamortized debt issuance cost		(7,947)		(9,357)
Gallant facility unamortized fair value of debt assumed		640		908
Grace facility unamortized fair value of debt assumed		1,710		—
Total debt		491,469		332,648
Less: Current portion of long-term debt		(45,458)		(32,208)
Long-term debt	$	446,011	$	300,440