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Other income (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
Other income (Details) - USD ($) $ in Thousands	Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2021	Jun. 30, 2020
Schedule of Equity Method Investments [Line Items]
Other Income	$ 7,590	$ 669	$ 7,942	$ 1,526
Employee retention income	$ 1,300		1,300
VectorY B.V
Schedule of Equity Method Investments [Line Items]
Employee retention income		$ 0		$ 0
Settlement Income			$ 3,000
Balance shares	69,899		69,899