Consolidated Statements of Cash Flows (Unaudited) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2013	Mar. 31, 2012
Cash flows from operating activities:
Net income	$ 20,387	$ 6,968
Adjustments to reconcile net income to net cash provided by operating activities:
Stock-based compensation	389	53
Net amortization of premiums on investments in fixed maturity securities	76	58
Depreciation and amortization	619	294
Deferred income tax benefits	(1,178)	(1,196)
Net realized investment gains	(20)	(21)
Foreign currency remeasurement loss	10
Changes in operating assets and liabilities:
Premiums and reinsurance receivable	(6,483)	(1,027)
Advance premiums	11,876	9,072
Prepaid reinsurance premiums	(6,923)	11,075
Accrued interest and dividends receivable	103	93
Other assets	(432)	(810)
Assumed reinsurance balances payable	(386)
Deferred policy acquisition costs	(1,790)	2,971
Losses and loss adjustment expenses	583	6,052
Unearned premiums	(13,298)	(17,802)
Income taxes payable	4,989	141
Accrued expenses and other liabilities	6,755	1,579
Net cash provided by operating activities	15,277	17,500
Cash flows from investing activities:
Purchase of property and equipment, net	(2,364)	(296)
Purchase of other investments	(52)	(131)
Purchase of fixed-maturity securities	(1,629)	(4,336)
Purchase of equity securities	(1,024)	(2,877)
Proceeds from sales of fixed-maturity securities	1,037	1,222
Proceeds from calls repayments and maturities of fixed-maturity securities	1,237
Proceeds from sales of equity securities	361	100
Increase in time deposits, net		(119)
Net cash used in investing activities	(2,434)	(6,437)
Cash flows from financing activities:
Proceeds from the exercise of common stock warrants		195
Proceeds from the issuance of long-term debt	40,250
Cash dividends paid	(2,493)	(1,174)
Debt issuance costs	(1,502)
Tax benefit from restricted stock dividends	22
Excess tax benefit from common stock options exercised		437
Net cash provided by (used in) financing activities	36,277	(542)
Effect of exchange rate changes on cash	(7)
Net increase in cash and cash equivalents	49,113	10,521
Cash and cash equivalents at beginning of period	230,214	100,355
Cash and cash equivalents at end of period	279,327	110,876
Supplemental disclosure of cash flow information:
Cash paid for income taxes	8,950	5,030
Non-cash investing and financing activities:
Unrealized gain on investments in available-for-sale securities, net of tax	165	770
Series A Preferred Stock
Conversion of Series A Preferred Stock to common stock	$ 278	$ 1,823