Lease obligation (Tables)

9 Months Ended

Sep. 30, 2022

Lease obligation

Summary of operating sublease income

	Three Months Ended				Nine Months Ended
	September 30,				September 30,
	2022		2021		2022		2021
	(in thousands)
Operating sublease income	$	—	$	204	$	1,380	$	204