CONSOLIDATED BALANCE SHEETS (Unaudited) (USD $) In Thousands, unless otherwise specified	Mar. 31, 2015	Dec. 31, 2014
Securities, available-for-sale, at fair value:
Fixed maturities (amortized cost, 2015 - $4,567,873; 2014 - $4,602,514)	$ 4,594,663	$ 4,609,614
Equity securities	3,100	3,055
Total investment portfolio	4,597,763	4,612,669
Cash and cash equivalents	232,623	197,882
Restricted cash and cash equivalents (Note 1)	0	17,212
Accrued investment income	32,114	30,518
Prepaid reinsurance premiums	50,119	47,623
Reinsurance recoverable on loss reserves	55,415	57,841
Reinsurance recoverable on paid losses	5,966	6,424
Premiums receivable	59,254	57,442
Home office and equipment, net	28,565	28,693
Deferred insurance policy acquisition costs	13,251	12,240
Profit commission receivable (Note 4)	114,974	91,500
Other assets	92,688	106,390
Total assets	5,282,732	5,266,434
Liabilities:
Loss reserves (Note 12)	2,244,624	2,396,807
Premium deficiency reserve (Note 13)	17,333	23,751
Unearned premiums	223,053	203,414
Senior notes (Note 3)	61,930	61,918
Convertible senior notes (Note 3)	845,000	845,000
Convertible junior debentures (Note 3)	389,522	389,522
Other liabilities	315,710	309,119
Total liabilities	4,097,172	4,229,531
Contingencies (note 5)
Shareholders' equity (note 14):
Common stock (one dollar par value, shares authorized 1,000,000; shares issued 2015 - 340,079; 2014 - 340,047; shares outstanding 2015 - 339,639; 2014 - 338,560)	340,079	340,047
Paid-in capital	1,662,211	1,663,592
Treasury stock (shares at cost 2015 - 440; 2014 - 1,487)	(3,362)	(32,937)
Accumulated other comprehensive loss, net of tax (note 9)	(64,492)	(81,341)
Retained deficit	(748,876)	(852,458)
Total shareholders' equity	1,185,560	1,036,903
Total liabilities and shareholders' equity	$ 5,282,732	$ 5,266,434