CONSOLIDATED STATEMENTS OF CASH FLOWS (Unaudited) - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2016	Jun. 30, 2015
Cash flows from operating activities:
Net income	$ 178,412	$ 246,730
Adjustments to reconcile net income to net cash used in operating activities:
Depreciation and amortization	28,477	23,938
Deferred tax expense (benefit)	88,157	(13)
Realized investment gains, net	(3,892)	(26,493)
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	515	(4,043)
Prepaid insurance premium	48	(10,462)
Reinsurance recoverable on loss reserves	(728)	4,385
Reinsurance recoverable on paid losses	(1,454)	506
Premium receivable	1,867	4,974
Deferred insurance policy acquisition costs	(1,439)	(1,920)
Profit commission receivable	(2,793)	(50,957)
Loss reserves	(261,069)	(286,046)
Premium deficiency reserve	0	(23,751)
Unearned premiums	28,451	40,874
Return premium accrual	(7,300)	(3,500)
Income taxes payable - current	523	526
Other	(13,063)	27,929
Net cash used in operating activities	(6,943)	(59,891)
Purchases of investments:
Fixed maturities	(723,409)	(1,499,319)
Equity securities	(3,128)	(39)
Proceeds from sales of fixed maturities	649,776	1,218,688
Proceeds from maturity of fixed maturities	313,484	298,618
Proceeds from sale of equity securities	2,525	0
Net increase in payable for securities	24,519	41,762
Net decrease in restricted cash	0	17,212
Additions to property and equipment	(2,724)	(1,711)
Net cash provided by investing activities	261,043	75,211
Cash flows from financing activities:
Proceeds from issuance of long-term debt	155,000	0
Purchase of convertible senior notes	(188,501)	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	(134,246)	2,568
Net increase in cash and cash equivalents	119,854	17,888
Cash and cash equivalents at beginning of period	181,120	197,882
Cash and cash equivalents at end of period	$ 300,974	$ 215,770