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

Revenues - Additional Information (Detail)

v3.21.2
Revenues - Additional Information (Detail) - USD ($)
$ in Millions
Jun. 30, 2021
Dec. 31, 2020
Disaggregation of Revenue [Line Items]    
Remaining performance obligations $ 36.2 $ 46.1
Remaining Fiscal Year 2021 [Member]    
Disaggregation of Revenue [Line Items]    
Remaining performance obligations 18.4  
2021 [Member]    
Disaggregation of Revenue [Line Items]    
Remaining performance obligations   28.5
2022 [Member]    
Disaggregation of Revenue [Line Items]    
Remaining performance obligations 16.8 11.4
Thereafter [Member]    
Disaggregation of Revenue [Line Items]    
Remaining performance obligations $ 1.0 $ 6.2