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

Goodwill and Intangible Assets - Estimated future expected amortization expense (Details)

v3.21.2
Goodwill and Intangible Assets - Estimated future expected amortization expense (Details) - USD ($)
$ in Thousands
Sep. 30, 2021
Dec. 31, 2020
Dec. 31, 2019
Finite-Lived Intangible Assets, Net, Amortization Expense, Fiscal Year Maturity [Abstract]      
2021 $ 4,755    
2021 19,001 $ 17,860  
2022 18,929 17,860  
2023 17,303 17,825  
2024 15,146 16,205  
2026 10,283    
Thereafter 32,288 51,960  
Total $ 117,705 $ 121,710 $ 139,621