CONSOLIDATED STATEMENTS OF CHANGES IN SHAREHOLDERS' EQUITY (UNAUDITED) (USD $) In Thousands	Total		Common stock	Additional paid-in capital	Retained earnings	Accumulated other comprehensive income (loss), net of taxes	Treasury stock, at cost
Beginning balance at Dec. 31, 2012			$ 62	$ 383,135	$ 921,969	$ 367,089	$ (426,452)
Options exercised, 2014, 196,840 shares; 2013, 257,527 shares			1
Conversion of common stock units, 2014, 10,834 shares; 2013, 11,851 shares			0
Conversion of restricted stock units, 2014, 65,730 shares; 2013, 119,472 shares			0
Options exercised and conversion of common stock units and restricted stock units				6,754
Share-based compensation expense				342
Net income	27,012				27,012
Cash dividends, 2014, $0.23 per share; 2013, $0.195 per share					(8,052)
Change in net unrealized gains and losses on fixed maturities and equity securities	(8,334)	[1],[2]				(8,334)
Change in net funded status of pension and other postretirement benefit obligations	0					0
Acquisition of shares, 2014, 136,976 shares; 2013, 89,649 shares							(1,843)
Ending balance at Mar. 31, 2013	1,261,683		63	390,231	940,929	358,755	(428,295)
Beginning balance at Dec. 31, 2013	1,099,305		64	407,056	1,000,312	122,214	(430,341)
Options exercised, 2014, 196,840 shares; 2013, 257,527 shares			0
Conversion of common stock units, 2014, 10,834 shares; 2013, 11,851 shares			0
Conversion of restricted stock units, 2014, 65,730 shares; 2013, 119,472 shares			0
Options exercised and conversion of common stock units and restricted stock units				6,065
Share-based compensation expense				340
Net income	28,366				28,366
Cash dividends, 2014, $0.23 per share; 2013, $0.195 per share					(9,784)
Change in net unrealized gains and losses on fixed maturities and equity securities	77,408	[1],[2]				77,408
Change in net funded status of pension and other postretirement benefit obligations	0					0
Acquisition of shares, 2014, 136,976 shares; 2013, 89,649 shares							(3,867)
Ending balance at Mar. 31, 2014	$ 1,197,833		$ 64	$ 413,461	$ 1,018,894	$ 199,622	$ (434,208)

[1] All amounts are net of tax.

[2] The pretax amounts reclassified from accumulated other comprehensive income, $1,699 and $6,862, are included in net realized investment gains and losses and the related tax expenses, $595 and $2,402, are included in income tax expense in the Consolidated Statements of Operations for the three months ended March 31, 2014 and 2013, respectively.