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Segment Information (Tables)

12 Months Ended

Dec. 31, 2012

Segment Reporting [Abstract]

Revenue from Continuing Operations By Segment

Revenue by Segment
Years ended December 31,
($ in thousands)		2012				2011			2010
Standard Insurance Operations:
Net premiums earned:
Commercial automobile		$	288,010			279,610			291,495
Workers compensation		262,108				259,354			252,441
General liability		373,381				344,682			336,475
Commercial property		202,340				192,989			199,252
Business owners’ policies		68,462				66,225			65,260
Bonds		18,891				18,910			19,243
Other		12,143				9,177			10,116
Total standard Commercial Lines		1,225,335				1,170,947			1,174,282
Personal automobile		152,142				148,824			141,962
Homeowners		113,850				102,764			87,862
Other		13,563				12,864			12,492
Total standard Personal Lines		279,555				264,452			242,316
Total Standard Insurance Operations net premiums earned		1,504,890				1,435,399			1,416,598
Miscellaneous income		8,827				8,069			9,230
Total Standard Insurance Operations revenue		1,513,717				1,443,468			1,425,828
E&S Insurance Operations:
Net premiums earned		79,229				3,914			—
Investments:
Net investment income		131,877				147,443			145,708
Net realized gains (losses) on investments		8,988				2,240			(7,083	)
Total investment revenues		140,865				149,683			138,625
Total all segments		1,733,811				1,597,065			1,564,453
Other income		291				410			168
Total revenues from continuing operations		$	1,734,102			1,597,475			1,564,621

Income From Continuing Operations, Before Federal Income Tax

Income before federal income tax
Years ended December 31,
($ in thousands)		2012				2011			2010
Standard Insurance Operations:
Commercial Lines underwriting (loss) gain		$	(40,935	)		(49,952	)		180
Personal Lines underwriting loss		(3,514		)		(46,971	)		(20,154	)
Total Standard Insurance Operations underwriting loss, before federal income tax		(44,449		)		(96,923	)		(19,974	)
GAAP combined ratio		103.0		%		106.8			101.4
Statutory combined ratio		102.5		%		106.4			101.6
E&S Insurance Operations:
Underwriting loss		(19,558		)		(6,661	)		—
GAAP combined ratio		124.7		%		270.2			—
Statutory combined ratio		118.8		%		131.3			—
Investments:
Net investment income		131,877				147,443			145,708
Net realized gains (losses) on investments		8,988				2,240			(7,083	)
Total investment income, before federal income tax		140,865				149,683			138,625
Total all segments		76,858				46,099			118,651
Interest expense		(18,872		)		(18,259	)		(18,616	)
General corporate and other expenses		(20,351		)		(16,440	)		(15,886	)
Income from continuing operations, before federal income tax		$	37,635			11,400			84,149

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- Definition

Tabular disclosure of the revenue from continuing operations for each reportable segment, as a single block of text. An entity discloses certain information on each reportable segment if the amounts (a) are included in the measure of segment profit or loss reviewed by the chief operating decision maker or (b) are otherwise regularly provided to the chief operating decision maker, even if not included in that measure of segment profit or loss.

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Tabular disclosure of the profit or loss and total assets for each reportable segment. An entity discloses certain information on each reportable segment if the amounts (a) are included in the measure of segment profit or loss reviewed by the chief operating decision maker or (b) are otherwise regularly provided to the chief operating decision maker, even if not included in that measure of segment profit or loss.

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