CONSOLIDATED STATEMENTS OF CASH FLOWS (Unaudited) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2016	Mar. 31, 2015
Cash flows from operating activities:
Net income	$ 69,191	$ 133,076
Adjustments to reconcile net income to net cash used in operating activities:
Depreciation and amortization	14,109	11,311
Deferred tax expense (benefit)	33,270	(11)
Realized investment gains, net	(3,056)	(26,327)
Excess tax benefits related to share-based compensation	(115)	(2,568)
Payment of original issue discount-convertible junior subordinated debentures	(41,540)	0
Change in certain assets and liabilities:
Accrued investment income	1,205	(1,596)
Prepaid insurance premium	34	(2,496)
Reinsurance recoverable on loss reserves	3,368	2,426
Reinsurance recoverable on paid losses	(536)	458
Premium receivable	1,284	(1,812)
Deferred insurance policy acquisition costs	(705)	(1,011)
Profit commission receivable	760	(23,474)
Loss reserves	(140,013)	(152,183)
Premium deficiency reserve	0	(6,418)
Unearned premiums	9,906	19,639
Return premium accrual	(4,850)	3,300
Income taxes payable - current	289	287
Other	869	14,691
Net cash used in operating activities	(56,530)	(32,708)
Purchases of investments:
Fixed maturities	(288,273)	(940,867)
Equity securities	(3,109)	(18)
Proceeds from sales of fixed maturities	315,927	795,968
Proceeds from maturity of fixed maturities	139,863	192,463
Proceeds from sale of equity securities	2,525	0
Net increase in payable for securities	44,289	699
Net decrease in restricted cash	0	17,212
Additions to property and equipment	(1,916)	(576)
Net cash provided by investing activities	209,306	64,881
Cash flows from financing activities:
Proceeds from issuance of long-term debt	155,000	0
Purchase of convertible senior notes	(138,253)	0
Purchase of convertible junior subordinated debentures-liability component	(91,110)	0
Purchase of convertible junior subordinated debentures-equity component	(9,750)	0
Excess tax benefits related to share-based compensation	115	2,568
Net cash (used in) provided by financing activities	(83,998)	2,568
Net increase in cash and cash equivalents	68,778	34,741
Cash and cash equivalents at beginning of period	181,120	197,882
Cash and cash equivalents at end of period	$ 249,898	$ 232,623