Quarterly report pursuant to Section 13 or 15(d)

Intangible assets, royalties, and goodwill - Intangible assets (Details)

v3.21.2
Intangible assets, royalties, and goodwill - Intangible assets (Details) - USD ($)
$ in Thousands
 9 Months Ended
Sep. 30, 2021
Dec. 31, 2020
Finite-Lived Intangible Assets [Line Items]    
Gross carrying amount $ 14,690 $ 14,690
Accumulated amortization (2,722) (1,575)
Net carrying amount $ 11,968 13,115
Customer relationships    
Finite-Lived Intangible Assets [Line Items]    
Estimated useful life 7 years  
Gross carrying amount $ 7,190 7,190
Accumulated amortization (1,831) (1,059)
Net carrying amount $ 5,359 6,131
Trade name    
Finite-Lived Intangible Assets [Line Items]    
Estimated useful life 15 years  
Gross carrying amount $ 7,500 7,500
Accumulated amortization (891) (516)
Net carrying amount $ 6,609 $ 6,984