Realized And Unrealized Investment Gains (Losses) (Tables)

12 Months Ended

Dec. 31, 2011

Realized and Unrealized Investment Gains (Losses) [Abstract]

Realized and Unrealized Investment Gains (Losses)

Realized and unrealized investment gains and losses are as follows:

(Dollars in thousands)	2011			2010			2009
Realized investment gains and losses:
Fixed maturity securities:
Gains	$	37,595		$	38,204		$	50,500
Lossses	(5,499		)	(8,990		)	(3,632		)
Equity securities available for sale	90,023			34,477			52,680
Investment funds	3,762			1,871			4,905
Provision for other-than-temporary impairments (1)	(400		)	(9,205		)	(151,727		)
Less investment impairments recognized in other comprehensive income	—			—			8,866
Other gains	—			224			—
Total net investment gains (losses)	125,481			56,581			(38,408		)
Income tax (expense) benefit	(43,834		)	(19,707		)	13,534
	$	81,647		$	36,874		$	(24,874	)

(1) Includes change in valuation allowance for loans receivable of $0, $6,082,000 and $12,418,000 for the years ended December 31, 2011, 2010 and 2009, respectively.

Change In Unrealized Gains (Losses) Of Available For Sales Securities

Change in unrealized gains and losses of available for sales securities:
Fixed maturity securities	$	209,467		$	102,488		$	405,950
Investment impairments recognized in other comprehensive income	(3,604		)	1,362			(5,425		)
Equity securities available for sale	(55,772		)	68,178			143,684
Investment funds	(2,093		)	4,560			13,235
Total change in unrealized gains	147,998			176,588			557,444
Income tax expense	(52,381		)	(61,227		)	(195,813		)
Noncontrolling interests	55			(8		)	(21		)
	$	95,672		$	115,353		$	361,610