Condensed Consolidated Balance Sheets Parenthetical - USD ($) $ in Thousands	Jun. 30, 2017		Dec. 31, 2016
Investments:
Fixed-maturity securities available for sale, amortized cost	$ 1,822,890	[1]	$ 1,734,683	[2]
Fixed-maturity securities held to maturity, fair value	665,801		513,015
Equity securities available for sale, cost	35,369		36,818
Trading securities, cost	15,538		7,382
Intangible assets, net
Accumulated amortization on definite-lived intangible assets	$ 76,933		$ 75,231
Stockholders’ equity:
Common stock, par value	$ 0.01		$ 0.01
Common stock, shares authorized	500,000,000		500,000,000
Common stock, shares issued	45,035,000		45,721,000
Common stock, shares outstanding	45,035,000		45,721,000

[1] Includes approximately $0.1 million of other-than-temporary impairment (“OTTI”) losses related to corporates and mortgage- and asset-backed securities recognized in accumulated other comprehensive income.

[2] Includes approximately $0.1 million of OTTI related to corporates and mortgage- and asset-backed securities recognized in accumulated other comprehensive income.