Basis of Presentation (Tables)

6 Months Ended

Jun. 30, 2012

Basis of Presentation [Abstract]

Summary of financial statement amounts previously reported

As a result of the adopted accounting change, net income (loss) per share (basic and diluted) did not change. Other financial statement amounts previously reported were revised as shown below:

	As of December 31,
	2011			2010
Total shareholders’ equity
As previously reported	$	1,086,926		$	880,007
Effect of change in accounting principle, net of taxes:
Retained earnings		(34,425	)		(34,447	)
Accumulated other comprehensive income (loss), net of taxes (Net unrealized gains and losses on fixed maturities and equity securities)		2,852			1,531
As adjusted	$	1,055,353		$	847,091
	Three Months Ended			Six Months Ended
	June 30, 2011			June 30, 2011
Net income (loss)
As previously reported	$	(11,817	)	$	14,124
Effect of change in accounting principle, net of taxes		(34	)		(168	)
As adjusted	$	(11,851	)	$	13,956