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

Other Financial Statement Information - Additional Information (Details)

v3.22.2.2
Other Financial Statement Information - Additional Information (Details) - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Other Financial Statement Information [Abstract]      
Depreciation expense $ 2.2 $ 2.1 $ 1.5
Capitalized software development costs 4.8 3.0  
Amortization of capitalized software development costs $ 2.5 $ 1.7 $ 0.7