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

Nature of business and summary of significant accounting policies - Goodwill (Q3) (Details)

v3.20.4
Nature of business and summary of significant accounting policies - Goodwill (Q3) (Details) - USD ($)
9 Months Ended 12 Months Ended
Sep. 30, 2020
Dec. 31, 2019
Dec. 19, 2019
Dec. 31, 2018
Business Combination, Description [Abstract]        
Goodwill $ 18,614,000 $ 18,614,000   $ 0
Goodwill impairment $ 0 0    
Halo        
Business Combination, Description [Abstract]        
Goodwill   $ 18,600,000 $ 18,614,000