Consolidated Balance Sheets - USD ($) $ in Thousands	Mar. 31, 2018	Dec. 31, 2017
Investments:
Fixed Maturities, available-for-sale, at fair value (amortized cost: 2018: $2,987,492; 2017: $3,027,408)	$ 2,970,934	$ 3,057,054
Equity Securities, at fair value (cost: 2018: $245,754; 2017: $224,159)		235,981
Equity Securities, at fair value (cost: 2018: $245,754; 2017: $224,159)	254,394
Other Invested Assets	35,276	30,488
Short-Term Investments, available-for-sale, at fair value (amortized cost: 2018: $6,707; 2017: $6,477)	6,704	6,480
Total Investments	3,267,308	3,330,003
Cash and Cash Equivalents	165,177	102,735
Restricted Cash and Cash Equivalents	58,956	56,229
Premiums Receivable	413,253	351,393
Prepaid Reinsurance Premiums	228,902	228,569
Reinsurance Recoverable on Paid Losses	82,506	72,494
Reinsurance Recoverable on Unpaid Losses and Loss Adjustment Expenses	790,388	809,765
Deferred Policy Acquisition Costs	151,661	135,249
Accrued Investment Income	20,738	19,480
Goodwill and Other Intangible Assets	6,668	6,596
Current Income Tax Receivable, Net	10,497	16,667
Deferred Income Tax, Net	31,026	22,271
Other Assets	81,686	73,171
Total Assets	5,308,766	5,224,622
Liabilities:
Reserves for Losses and Loss Adjustment Expenses	2,521,827	2,515,145
Unearned Premiums	1,059,085	987,681
Reinsurance Balances Payable	128,919	136,192
Senior Notes	263,926	263,885
Payable for Investments Purchased	23,776	0
Accounts Payable and Other Liabilities	94,281	95,754
Total Liabilities	4,091,814	3,998,657
Stockholders' Equity:
Preferred Stock ($.10 par value per share, authorized 1,000 shares, none issued)	0	0
Common Stock ($.10 par value per share, authorized 50,000 shares, issued 36,733 shares for 2018 and 36,530 shares for 2017)	3,670	3,650
Additional Paid-In Capital	372,866	376,868
Treasury Stock, at cost (7,023 shares for 2018 and 2017)	(155,801)	(155,801)
Retained Earnings	1,015,109	981,380
Accumulated Other Comprehensive Income	(18,892)	19,868
Total Stockholders' Equity	1,216,952	1,225,965
Total Liabilities and Stockholders' Equity	$ 5,308,766	$ 5,224,622