Consolidated Balance Sheets (USD $) In Thousands	9 Months Ended	12 Months Ended
	Sep. 30, 2011	Dec. 31, 2010
ASSETS:
Fixed maturities - available for sale, at market value (amortized cost: 2011, $4,857,294; 2010, $5,438,359)	$ 5,070,084	$ 5,599,940
Fixed maturities - available for sale, at fair value	120,597	180,482
Equity securities - available for sale, at market value (cost: 2011, $15; 2010, $15)	11	13
Equity securities - available for sale, at fair value	1,099,456	683,454
Short-term investments	535,915	516,885
Other invested assets (cost: 2011, $394,153; 2010, $405,401)	394,153	406,916
Other invested assets, at fair value	771,571	788,142
Cash	265,012	118,092
Total investments and cash	8,256,799	8,293,924
Accrued investment income	56,977	70,874
Premiums receivable	794,523	643,257
Reinsurance receivables - unaffiliated	581,986	670,168
Reinsurance receivables - affiliated	3,042,544	2,708,193
Funds held by reinsureds	176,677	171,179
Deferred acquisition costs	172,380	184,247
Prepaid reinsurance premiums	600,642	629,323
Deferred tax asset	285,675	183,924
Federal income taxes recoverable	132,826	142,421
Other assets	226,285	171,923
TOTAL ASSETS	14,327,314	13,869,433
LIABILITIES:
Reserve for losses and loss adjustment expenses	8,165,262	7,652,303
Unearned premium reserve	1,216,965	1,287,476
Funds held under reinsurance treaties	83,145	180,377
Losses in the course of payment	39,766	13,089
Commission reserves	32,520	37,796
Other net payable to reinsurers	622,445	467,486
Revolving credit borrowings		50,000
5.4% Senior notes due 10/15/2014	249,847	249,812
6.6% Long term notes due 5/1/2067	238,353	238,351
Junior subordinated debt securities payable	329,897	329,897
Accrued interest on debt and borrowings	12,092	4,793
Other liabilities	253,632	230,312
Total liabilities	11,243,924	10,741,692
Commitments and Contingencies (Note 6)
STOCKHOLDER'S EQUITY:
Common stock, par value: $0.01; 3,000 shares authorized; 1,000 shares issued and outstanding (2011 and 2010)
Additional paid-in capital	332,647	327,767
Accumulated other comprehensive income (loss), net of deferred income tax expense (benefit) of $109,416 at 2011 and $88,289 at 2010	203,200	163,966
Retained earnings	2,547,543	2,636,008
Total stockholder's equity	3,083,390	3,127,741
TOTAL LIABILITIES AND STOCKHOLDER'S EQUITY	$ 14,327,314	$ 13,869,433