Condensed Consolidated Balance Sheets Parenthetical - USD ($) $ in Thousands	Sep. 30, 2016		Dec. 31, 2015
Investments:
Fixed-maturity securities available for sale, amortized cost	$ 1,660,347	[1]	$ 1,690,043	[2]
Fixed-maturity securities held to maturity, fair value	500,823		371,742
Equity securities available for sale, cost	37,966		39,969
Trading securities, cost	12,268		5,383
Intangible assets, net
Accumulated amortization on definite-lived intangible assets	$ 74,381		$ 71,828
Stockholders’ equity:
Common stock, par value	$ 0.01		$ 0.01
Common stock, shares authorized	500,000,000		500,000,000
Common stock, shares issued	45,962,000		48,297,000
Common stock, shares outstanding	45,962,000		48,297,000

[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.