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Intangibles and other assets (Narrative) (Details) - USD ($)
$ in Thousands
Dec. 31, 2020
Dec. 31, 2019
Disclosure of detailed information about intangible assets [abstract]    
Intangibles and other assets $ 21,173 $ 10,411
Other assets 15,764 5,384
Intangible assets other than goodwill $ 5,409 $ 5,027