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

Consolidated Statements of Operations and Comprehensive Income (Parenthetical)

v3.21.4
Consolidated Statements of Operations and Comprehensive Income (Parenthetical) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended 12 Months Ended
Sep. 30, 2021
Jun. 30, 2021
Mar. 31, 2021
Sep. 30, 2020
Jun. 30, 2020
Mar. 31, 2020
Sep. 30, 2021
Sep. 30, 2020
Dec. 31, 2020
Dec. 31, 2019
Income Statement [Abstract]                    
Foreign currency translation adjustments, net of tax $ 0 $ 0 $ 0 $ 0 $ 0 $ 0 $ 0 $ 0 $ 0 $ 0