General form of registration statement for all companies including face-amount certificate companies

Intangible assets, royalties and goodwill - Estimated future amortization of intangible assets (Q3) (Details)

v3.20.4
Intangible assets, royalties and goodwill - Estimated future amortization of intangible assets (Q3) (Details) - USD ($)
$ in Thousands
9 Months Ended 12 Months Ended
Sep. 30, 2020
Dec. 31, 2019
Dec. 31, 2018
Intangible assets, royalties and goodwill [Abstract]      
Weighted average remaining useful life 10 years 3 months 18 days 10 years  
Finite-Lived Intangible Assets, Net, Amortization Expense, Fiscal Year Maturity [Abstract]      
Remainder of 2020 $ 357    
2021 1,551 $ 1,551  
2022 1,551 1,551  
2023 1,551 1,551  
2024 1,551 1,551  
Thereafter 6,935    
Net Carrying Amount $ 13,496 $ 14,641 $ 0