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

Income Taxes - Summary Of Open Tax years By Jurisdiction (Detail)

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Income Taxes - Summary Of Open Tax years By Jurisdiction (Detail)
 12 Months Ended
Dec. 31, 2021
Domestic Tax Authority [Member] | Minimum [Member]  
Income Tax Contingency [Line Items]  
Open Tax Year 2018
Domestic Tax Authority [Member] | Maximum [Member]  
Income Tax Contingency [Line Items]  
Open Tax Year 2020
State and Local Jurisdiction [Member] | Minimum [Member]  
Income Tax Contingency [Line Items]  
Open Tax Year 2017
State and Local Jurisdiction [Member] | Maximum [Member]  
Income Tax Contingency [Line Items]  
Open Tax Year 2020
Foreign Tax Authority [Member] | Minimum [Member]  
Income Tax Contingency [Line Items]  
Open Tax Year 2016
Foreign Tax Authority [Member] | Maximum [Member]  
Income Tax Contingency [Line Items]  
Open Tax Year 2020