Schedule II - Primerica, Inc. (Parent Only) - Condensed Statements of Cash Flow Parenthetical (Details) - USD ($)	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Condensed Financial Information Disclosure [Abstract]
Fixed-maturity securities transferred	$ 81,400,000	$ 41,300,000	$ 0
Debt forgiveness		$ 170,500,000