Consolidated Statements of Cash Flows - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Operating Activities:
Net Income	$ 34,239	$ 40,494	$ 82,726
Adjustments to Reconcile Net Income to Net Cash Provided by Operating Activities:
Depreciation & Amortization	3,675	3,645	5,429
Amortization of Finite-Lived Intangible Assets	657	0	0
Share-Based Compensation	6,786	13,829	17,624
Deferred Income Taxes	(14,366)	(8,879)	(5,755)
Total Net Realized and Unrealized (Gains) Losses	30,348	(43,009)	(9,036)
Changes in Assets And Liabilities:
Reinsurance Recoverable on Paid and Unpaid Losses and Loss Adjustment Expenses	(39,224)	(20,399)	(2,835)
Reserves for Losses and Loss Adjustment Expenses	198,818	225,132	87,083
Prepaid Reinsurance Premiums	4,346	(15,168)	19,211
Unearned Premiums	104,781	100,160	66,668
Premiums Receivable	(31,308)	(45,035)	(30,070)
Deferred Policy Acquisition Costs	(22,969)	(15,552)	(27,677)
Accrued Investment Income	(2,712)	(2,139)	(1,314)
Reinsurance Balances Payable	8,875	27,362	1,568
Current Income Tax Receivable/Payable, Net	17,674	3,966	(1,988)
Other	42,718	936	27,791
Net Cash Provided by Operating Activities	342,338	265,343	229,425
Fixed Maturities
Redemptions and Maturities	418,367	373,380	275,706
Sales	358,309	225,962	446,666
Purchases	(887,996)	(1,008,537)	(962,419)
Equity Securities
Sales		207,838	54,798
Sales	34,617
Purchases		(62,887)	(92,329)
Purchases	(126,746)
Net Sales and Purchases of Other Invested Assets	(19,097)	(933)	(7,519)
Net Sales, Maturities and Purchases of Short-Term Investments	(4,179)	2,487	88,349
Net Change in Unsettled Security Transactions	(2,194)	2,135	(1,517)
Purchase of Subsidiaries, Net of Acquired Cash	(22,383)	0	0
Net Purchase of Property and Equipment	(8,845)	(3,474)	(3,918)
Net Cash Used in Investing Activities	(260,147)	(264,029)	(202,183)
Financing Activities:
Proceeds from Employee Stock Purchase Plan	2,008	2,076	1,840
Payment of Employee Tax Withholding on Stock Compensation	(8,456)	(13,887)	(5,198)
Dividends Paid	(8,319)	(6,633)	(3,930)
Net Cash Used in Financing Activities	(14,767)	(18,444)	(7,288)
Effect of Exchange Rate on Unrestricted and Restricted Cash and Cash Equivalents	(4,234)	3,248	(15,963)
Change in Unrestricted and Restricted Cash and Cash Equivalents	63,190	(13,882)	3,991
Unrestricted and Restricted Cash and Cash Equivalents at Beginning of Year	158,964	172,846	168,855
Unrestricted and Restricted Cash and Cash Equivalents at End of Period	222,154	158,964	172,846
Supplemental Information:
Income Taxes Paid, Net	21,422	39,689	34,830
Interest Paid	15,238	15,238	15,238
Issuance of Stock to Directors	$ 783	$ 578	$ 633