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

Operating leases, Assets and liabilities (FY) (Details)

v3.20.4
Operating leases, Assets and liabilities (FY) (Details) - USD ($)
$ in Thousands
Sep. 30, 2020
Dec. 31, 2019
Dec. 31, 2018
Assets [Abstract]      
OperatingLeaseRightOfUseAsset $ 718 $ 951 $ 0
Operating Lease, Right-of-Use Asset, Statement of Financial Position [Extensible List]   us-gaap:OperatingLeaseRightOfUseAsset  
Current-Operating [Abstract]      
Operating lease liability short term 395 $ 345 0
Operating Lease, Liability, Current, Statement of Financial Position [Extensible List]   us-gaap:OperatingLeaseLiabilityCurrent  
Noncurrent-Operating [Abstract]      
OperatingLeaseLiabilityNoncurrent 350 $ 641 0
Operating Lease, Liability, Noncurrent, Statement of Financial Position [Extensible List]   us-gaap:OperatingLeaseLiabilityNoncurrent  
Total operating lease costs $ 745 $ 986  
ASU 842 [Member]      
Assets [Abstract]      
OperatingLeaseRightOfUseAsset     421
Current-Operating [Abstract]      
Operating lease liability short term     87
Noncurrent-Operating [Abstract]      
OperatingLeaseLiabilityNoncurrent     342
Total operating lease costs     $ 429