Quarterly report pursuant to Section 13 or 15(d)

Intangibles, net - Narrative (Details)

v3.21.2
Intangibles, net - Narrative (Details) - USD ($)
$ in Millions
3 Months Ended 9 Months Ended
Sep. 30, 2021
Sep. 30, 2020
Sep. 30, 2021
Sep. 30, 2020
Finite-Lived Intangible Assets [Line Items]        
Amortization expense $ 0.3 $ 0.2 $ 0.7 $ 0.7
2021 0.9   0.9  
2022 0.9   0.9  
2023 0.9   0.9  
2024 0.9   0.9  
2025 $ 0.9   $ 0.9  
Minimum        
Finite-Lived Intangible Assets [Line Items]        
Useful life     10 years  
Maximum        
Finite-Lived Intangible Assets [Line Items]        
Useful life     20 years