Consolidated Statement of Stockholders' Equity - 9 months ended Sep. 30, 2017 - USD ($) shares in Thousands, $ in Thousands		Total		Common Stock		Additional Paid-in Capital	Treasury Stock		Retained Earnings	Accumulated Other Comprehensive Income (Loss)
Beginning balance at Dec. 31, 2016		$ 1,178,188	[1]	$ 3,612		$ 373,983	$ (155,801)		$ 947,519	$ 8,875
Beginning balance (in shares) at Dec. 31, 2016		36,147		36,147	[2]		7,023	[2]
Net Income		$ 13,633							13,633
Dividends Declared		(4,862)							(4,862)
Changes in Comprehensive Income:
Change in Net Unrealized Gain on Investments		37,062								37,062
Change in Net Non-Credit Other-Than- Temporary Impairment Losses		800								800
Change in Foreign Currency Translation Gain		1,803								1,803
Total Comprehensive Income		39,665								39,665
Shares Issued	[3]	(10,793)		$ 38		(10,831)
Shares issued (in shares)	[2],[3]			379
Share-Based Compensation		8,360				8,360
Ending balance at Sep. 30, 2017		$ 1,224,191	[1]	$ 3,650		$ 371,512	$ (155,801)		$ 956,290	$ 48,540
Ending balance (in shares) at Sep. 30, 2017		36,526		36,526	[2]		7,023	[2]

[1] We completed a two-for-one stock split on January 20, 2017. All share and per share data prior to January 20, 2017 has been retroactively restated on a post-split basis.

[2] We completed a two-for-one stock split on January 20, 2017. All share data prior to January 20, 2017 has been retroactively restated on a post-split basis.

[3] Includes shares issued under the Second Amended and Restated 2005 Stock Incentive Plan to Directors and the Employee Stock Purchase Plan.