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

Basis of Presentation and Summary of Significant Accounting Policies - Intangible assets, net (Details)

v3.21.2
Basis of Presentation and Summary of Significant Accounting Policies - Intangible assets, net (Details)
12 Months Ended
Dec. 31, 2020
Technology | Minimum  
Finite-Lived Intangible Assets [Line Items]  
Estimated useful life 4 years
Technology | Maximum  
Finite-Lived Intangible Assets [Line Items]  
Estimated useful life 8 years
Customer relationships | Minimum  
Finite-Lived Intangible Assets [Line Items]  
Estimated useful life 5 years
Customer relationships | Maximum  
Finite-Lived Intangible Assets [Line Items]  
Estimated useful life 12 years
Trademarks | Minimum  
Finite-Lived Intangible Assets [Line Items]  
Estimated useful life 5 years
Trademarks | Maximum  
Finite-Lived Intangible Assets [Line Items]  
Estimated useful life 15 years