Inventories

6 Months Ended

Jun. 30, 2022

Inventories [Abstract]

Inventories

5.Inventories

(in US$ thousands)	June 30, 2022		December 31, 2021
Raw coal	$	10,234	$	17,334
Saleable coal		37,971		42,006
Total coal inventories		48,205		59,340
Supplies inventory		59,234		59,582
Total inventories	$	107,439	$	118,922

Coal inventories measured at its net realizable value were $1.9 million and $2.2 million at June 30, 2022 and December 31, 2021, respectively, and relates to coal designated for deliveries under the Stanwell non-market coal supply agreement.