Consolidated Balance Sheets (USD $) In Thousands, unless otherwise specified	Jun. 30, 2014	Dec. 31, 2013
Fixed maturities
Held-to-maturity, at amortized cost (fair value $640 in 2014 and $669 in 2013)	$ 630	$ 656
Available-for-sale, at fair value (amortized cost $2,749,458 in 2014 and $2,733,557 in 2013)	2,824,018	2,751,256
Trading securities, at fair value (amortized cost $15,467 in 2014 and $8,049 in 2013)	18,305	9,940
Equity securities
Available-for-sale, at fair value (cost $71,685 in 2014 and $70,957 in 2013)	239,244	229,368
Trading securities, at fair value (cost $2,740 in 2014 and $2,367 in 2013)	3,206	2,487
Mortgage loans	4,313	4,423
Policy loans	6,200	6,261
Other long-term investments	48,707	44,946
Short-term investments	475	800
Total investments	3,145,098	3,050,137
Cash and cash equivalents	90,276	92,193
Accrued investment income	27,159	27,923
Premiums receivable (net of allowance for doubtful accounts of $993 in 2014 and $896 in 2013)	268,094	218,635
Deferred policy acquisition costs	143,314	150,092
Property and equipment (primarily land and buildings, at cost, less accumulated depreciation of $39,109 in 2014 and $36,972 in 2013)	48,001	47,218
Reinsurance receivables and recoverables	81,314	87,451
Prepaid reinsurance premiums	3,770	3,160
Income taxes receivable	3,891	1,786
Goodwill and intangible assets	26,662	27,047
Other assets	14,331	15,030
TOTAL ASSETS	3,851,910	3,720,672
Future policy benefits and losses, claims and loss settlement expenses
Property and casualty insurance	981,927	960,651
Life insurance	1,470,647	1,472,132
Unearned premiums	395,146	340,464
Accrued expenses and other liabilities	140,058	142,677
Deferred income taxes	37,866	21,915
TOTAL LIABILITIES	3,025,644	2,937,839
Stockholders’ Equity
Common stock, $0.001 par value; authorized 75,000,000 shares; 25,240,105 and 25,360,893 shares issued and outstanding in 2014 and 2013, respectively	25	25
Additional paid-in capital	208,366	211,574
Retained earnings	498,470	484,084
Accumulated other comprehensive income, net of tax	119,405	87,150
TOTAL STOCKHOLDERS’ EQUITY	826,266	782,833
TOTAL LIABILITIES AND STOCKHOLDERS’ EQUITY	$ 3,851,910	$ 3,720,672