Consolidated Statements of Cash Flows - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2017	Sep. 30, 2016
Operating Activities:
Net Income	$ 13,633	$ 61,135
Adjustments to Reconcile Net Income to Net Cash Provided by Operating Activities:
Depreciation & Amortization	3,586	4,214
Share-Based Compensation	8,360	13,929
Deferred Income Taxes	(13,920)	(7,066)
Net Realized Gains	(7,933)	(5,143)
Net Other-Than-Temporary Impairments Recognized in Earnings	2,065	150
Non-Cash Foreign Exchange (Gains) Losses	441	(6,972)
Changes in Assets And Liabilities:
Reinsurance Recoverable on Paid and Unpaid Losses and Loss Adjustment Expenses	(40,786)	(7,580)
Reserves for Losses and Loss Adjustment Expenses	251,971	78,577
Prepaid Reinsurance Premiums	(17,797)	9,697
Unearned Premiums	103,174	77,299
Premiums Receivable	(48,985)	(49,771)
Deferred Policy Acquisition Costs	(14,965)	(24,312)
Accrued Investment Income	(3,105)	(839)
Reinsurance Balances Payable	19,058	18,846
Current Income Tax Receivable, Net	(25,073)	6,389
Other	(6,973)	22,747
Net Cash Provided by Operating Activities	222,751	191,300
Fixed Maturities
Redemptions and Maturities	233,384	207,620
Sales	192,417	370,501
Purchases	(560,018)	(776,086)
Equity Securities
Sales	59,673	36,918
Purchases	(61,562)	(58,405)
Change in Net Payable for Securities	21,761	41,265
Purchase of Other Invested Assets	0	(2,021)
Net Change in Short-Term Investments	(100,406)	84,822
Purchase of Property and Equipment	(2,649)	(3,571)
Net Cash Used in Investing Activities	(217,400)	(98,957)
Financing Activities:
Proceeds of Stock Issued From Employee Stock Purchase Plan	2,289	1,840
Payment of Employee Tax Withholding on Stock Compensation	(13,835)	(5,081)
Dividends Paid	(4,862)	(2,619)
Net Cash Used in Financing Activities	(16,408)	(5,860)
Effect of Exchange Rate on Cash	2,885	(8,869)
Change in Cash	(8,172)	77,614
Cash at Beginning of Year	64,643	69,901
Cash at End of Period	56,471	147,515
Supplemental Information:
Income Taxes Paid, Net	39,877	24,148
Interest Paid	7,619	7,619
Issuance of Stock to Directors	$ 578	$ 633