Provisions (Tables)

9 Months Ended

Sep. 30, 2020

Other Provisions, Contingent Liabilities and Contingent Assets [Abstract]

Reconciliation of Changes in Provisions

The movements in the provision for impairment of receivables were as follows:

	Year ended December 31, 2019		Nine months ended September 30, 2020
	(in thousands)
At January 1,	$	2,592	$	2,719
Charge for the period	515		64
Utilized amounts	(388)		—
Unutilized amounts	—		(43)
At period end	$	2,719	$	2,740

	Post- employment benefits		Others		Total		Current		Non-current
	(in thousands)
At December 31, 2019	$	1,063	$	842	$	1,905	$	—	$	1,905
Arising during the period	121		381		502
Released (used) during the period	—		—		—
Released (unused) during the period	—		(292)		(292)
At September 30, 2020	$	1,184	$	931	$	2,115	$	230	$	1,885