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

Nature of business and summary of significant accounting policies, Recently issued accounting pronouncements (FY) (Details)

v3.20.2
Nature of business and summary of significant accounting policies, Recently issued accounting pronouncements (FY) (Details) - USD ($)
$ in Thousands
Sep. 30, 2020
Dec. 31, 2019
Dec. 31, 2018
Adoption of FASB ASC Topic 842 "Leases" [Abstract]      
Right-of-use asset $ 718 $ 951 $ 0
Lease liability $ 745 $ 986  
ASU 842 [Member]      
Adoption of FASB ASC Topic 842 "Leases" [Abstract]      
Right-of-use asset     421
Lease liability     $ 429