Lease obligation (Tables)

6 Months Ended

Jun. 30, 2022

Lease obligation

Summary of operating sublease income

	Three Months Ended				Six Months Ended
	June 30,				June 30,
	2022		2021		2022		2021
Operating sublease income	(in thousands)
	$	690	$	—	$	1,380	$	—