Consolidated Balance Sheets (Parenthetical) - 10K (USD $) In Thousands, except Share data, unless otherwise specified	Dec. 31, 2014	Dec. 31, 2013
Condensed Consolidated Balance Sheets
Available-for-sale, amortized cost	$ 1,448,204	$ 1,431,049
Held-to-maturity, fair value	0	687
Equity securities available-for-sale, cost	193,535	218,848
Premiums and reinsurance balances receivable, allowances for uncollectible amounts	14,245	13,328
Reinsurance balances recoverable on unpaid losses and settlement expenses, allowances for uncollectible amounts	13,049	14,239
Property and equipment, accumulated depreciation	$ 34,365	$ 41,491
Common stock, par value (in dollars per share)	$ 1	$ 1
Common stock, shares authorized (in shares)	100,000,000	100,000,000
Common stock, shares issued (in shares)	66,032,929	65,912,638
Common stock, shares outstanding (in shares)	43,102,715	42,982,424
Treasury stock, shares (in shares)	22,930,214	22,930,214