Ransomware incident (Narrative) (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended		12 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Disclosure Text Block Supplement [Abstract]
Ransomware related incident costs, gross							$ 12,700
Ransomware related incident costs, net	$ 0	$ 0	$ 0	$ (3,444)			7,700
Insurance recoveries							$ 5,000
Collection of recorded insurance receivable						$ 6,600
Insurance recoveries collected at point in time	$ 0		$ 0		$ 10,500
Additional collection of recorded insurance receivable					$ 3,900	$ 1,600