Condensed Consolidated Balance Sheets Parenthetical - USD ($) $ in Thousands	Jun. 30, 2020	Dec. 31, 2019
Investments:
Fixed-maturity securities and Short-term investments available-for-sale, amortized cost	$ 2,237,474	$ 2,274,770
Fixed-maturity securities held to maturity, fair value	1,495,594	1,299,102
Equity securities, at fair value, cost	30,451	32,671
Trading securities, amortized cost	$ 22,436	$ 43,257
Stockholders’ equity:
Common stock, par value	$ 0.01	$ 0.01
Common stock, shares authorized	500,000,000	500,000,000
Common stock, shares issued	39,667,000	41,207,000
Common stock, shares outstanding	39,667,000	41,207,000
Fixed Maturities
Investments:
Fixed-maturity securities and Short-term investments available-for-sale, amortized cost	$ 2,237,474	$ 2,274,770