Condensed Consolidated Balance Sheets (Parenthetical) - USD ($) $ in Thousands	Sep. 30, 2021	Dec. 31, 2020
Investments:
Fixed-maturity securities held to maturity, fair value	$ 1,565,048	$ 1,606,208
Equity securities, at fair value, cost	33,885	32,031
Trading securities, amortized cost	$ 26,533	$ 16,359
Equity attributable to Primerica, Inc.:
Common stock, par value	$ 0.01	$ 0.01
Common stock, shares authorized	500,000,000	500,000,000
Common stock, shares issued	39,471,000	39,306,000
Common stock, shares outstanding	39,471,000	39,306,000
Fixed Maturities
Investments:
Fixed-maturity securities and Short-term investments available-for-sale, amortized cost	$ 2,487,846	$ 2,301,238
Trading securities, amortized cost	26,533	16,359
Short-Term Investments
Investments:
Fixed-maturity securities and Short-term investments available-for-sale, amortized cost	$ 40,043	$ 0