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

Income taxes - Additional information (FY) (Details)

v3.21.1
Income taxes - Additional information (FY) (Details) - USD ($)
3 Months Ended 12 Months Ended
Mar. 31, 2021
Mar. 31, 2020
Dec. 31, 2020
Dec. 31, 2019
Dec. 31, 2018
Income Tax Disclosure [Abstract]          
Effective tax rate 0.00% 0.00% 0.00% 0.00%  
Current income tax expense       $ 0  
Deferred income tax expense     $ 0 0  
Valuation allowance     $ 16,724,000 $ 7,913,000 $ 0