Deferred Consideration Liability (Tables)

12 Months Ended

Dec. 31, 2019

Deferred Consideration Liability [Abstract]

Schedule of Deferred Consideration Liability

	December 31,
(US$ thousands)	2019		2018
Stanwell Reserved Area deferred consideration	$	174,605	$	155,332
	$	174,605	$	155,332