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

SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Schedule of Estimated Useful Lives of Intangible Assets (Detail)

v3.23.1
SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Schedule of Estimated Useful Lives of Intangible Assets (Detail)
 12 Months Ended
Dec. 31, 2022
Carrier contracts  
Finite-Lived Intangible Assets [Line Items]  
Useful life of definite lived intangible assets 10 years
Minimum | Customer relationships  
Finite-Lived Intangible Assets [Line Items]  
Useful life of definite lived intangible assets 10 years
Minimum | Technology  
Finite-Lived Intangible Assets [Line Items]  
Useful life of definite lived intangible assets 5 years
Minimum | Trademarks  
Finite-Lived Intangible Assets [Line Items]  
Useful life of definite lived intangible assets 9 years
Minimum | Internally developed computer software  
Finite-Lived Intangible Assets [Line Items]  
Useful life of definite lived intangible assets 3 years
Maximum | Customer relationships  
Finite-Lived Intangible Assets [Line Items]  
Useful life of definite lived intangible assets 13 years
Maximum | Technology  
Finite-Lived Intangible Assets [Line Items]  
Useful life of definite lived intangible assets 9 years
Maximum | Trademarks  
Finite-Lived Intangible Assets [Line Items]  
Useful life of definite lived intangible assets 10 years
Maximum | Internally developed computer software  
Finite-Lived Intangible Assets [Line Items]  
Useful life of definite lived intangible assets 5 years