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

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

v3.21.1
Intangible assets, royalties, and goodwill - Estimated future amortization of amortizable intangible assets (FY) (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2020
Mar. 31, 2021
Dec. 31, 2019
Goodwill and Intangible Assets Disclosure [Abstract]      
Remaining weighted average useful life 10 years 2 months 12 days    
Finite-Lived Intangible Assets, Net, Amortization Expense, Fiscal Year Maturity [Abstract]      
2021 $ 1,526 $ 1,527  
2022 1,526 1,527  
2023 1,526 1,527  
2024 1,526 1,527  
2025 1,526    
Thereafter 5,485    
Net Carrying Amount $ 13,115 $ 12,732 $ 14,641