Condensed Consolidated Statements of Operations (Unaudited) (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended
	Mar. 31, 2015	Mar. 31, 2014
Revenues:
Net premiums earned—insurance	$ 224,595	$ 198,762
Services revenue	30,529	0
Net investment income	17,328	15,318
Net gains on investments and other financial instruments	16,779	42,968
Other income	1,432	1,126
Total revenues	290,663	258,174
Expenses:
Provision for losses	45,028	49,626
Policy acquisition costs	7,750	7,017
Direct cost of services	18,451	0
Other operating expenses	54,576	54,507
Interest expense	24,385	19,927
Amortization and impairment of intangible assets	3,023	0
Total expenses	153,213	131,077
Pretax income from continuing operations	137,450	127,097
Income tax provision (benefit)	45,723	(18,883)
Net income from continuing operations	91,727	145,980
Income from discontinued operations, net of tax	530	56,779
Net income	$ 92,257	$ 202,759
Net income from continuing operations	$ 0.48	$ 0.84
Income from discontinued operations	$ 0.00	$ 0.33
Basic net income per share	$ 0.48	$ 1.17
Net income from continuing operations	$ 0.39	$ 0.68
Income from discontinued operations	$ 0.00	$ 0.26
Diluted net income per share	$ 0.39	$ 0.94
Weighted-average number of common shares outstanding—basic	191,224	173,165
Weighted-average number of common and common equivalent shares outstanding—diluted	243,048	222,668
Dividends per share	$ 0.0025	$ 0.0025