Condensed Consolidated Statements of Operations (Unaudited) (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended
	Mar. 31, 2014	Mar. 31, 2013
Premiums written—insurance:
Direct	$ 229,322	$ 245,467
Assumed	473	(10,397)
Ceded	(16,089)	(27,885)
Net premiums written	213,706	207,185
Increase in unearned premiums	(8,041)	(14,597)
Net premiums earned—insurance	205,665	192,588
Net investment income	24,229	26,873
Net gains (losses) on investments	64,451	(5,505)
Change in fair value of derivative instruments	50,086	(167,670)
Net gains (losses) on other financial instruments	698	(5,675)
Other income	1,127	1,771
Total revenues	346,256	42,382
Expenses:
Provision for losses	54,809	132,059
Change in premium deficiency reserve (“PDR”)	466	(629)
Policy acquisition costs	8,614	17,195
Other operating expenses	59,909	80,100
Interest expense	19,927	15,881
Total expenses	143,725	244,606
Equity in net (loss) income of affiliates	(13)	1
Pretax income (loss)	202,518	(202,223)
Income tax benefit	(241)	(14,723)
Net income (loss)	$ 202,759	$ (187,500)
Basic net income (loss) per share	$ 1.17	$ (1.30)
Diluted net income (loss) per share	$ 0.94	$ (1.30)
Weighted-average number of common shares outstanding—basic	173,165	144,355
Weighted-average number of common and common equivalent shares outstanding—diluted	222,668	144,355
Dividends per share	$ 0.0025	$ 0.0025