Consolidated Balance Sheets (USD $) In Thousands, unless otherwise specified	Mar. 31, 2014	Dec. 31, 2013
Fixed maturities
Held-to-maturity, at amortized cost (fair value $656 in 2014 and $669 in 2013)	$ 644	$ 656
Available-for-sale, at fair value (amortized cost $2,759,461 in 2014 and $2,733,557 in 2013)	2,805,723	2,751,256
Trading securities, at fair value (amortized cost $13,904 in 2014 and $8,049 in 2013)	16,095	9,940
Equity securities
Available-for-sale, at fair value (cost $71,021 in 2014 and $70,957 in 2013)	232,377	229,368
Trading securities, at fair value (cost $2,704 in 2014 and $2,367 in 2013)	3,037	2,487
Mortgage loans	4,368	4,423
Policy loans	6,177	6,261
Other long-term investments	46,513	44,946
Short-term investments	800	800
Total investments	3,115,734	3,050,137
Cash and cash equivalents	68,663	92,193
Accrued investment income	28,686	27,923
Premiums receivable (net of allowance for doubtful accounts of $970 in 2014 and $896 in 2013)	236,424	218,635
Deferred policy acquisition costs	143,296	150,092
Property and equipment (primarily land and buildings, at cost, less accumulated depreciation of $38,058 in 2014 and $36,972 in 2013)	47,974	47,218
Reinsurance receivables and recoverables	85,281	87,451
Prepaid reinsurance premiums	3,630	3,160
Income taxes receivable	0	1,786
Goodwill and intangible assets	26,855	27,047
Other assets	12,706	15,030
TOTAL ASSETS	3,769,249	3,720,672
Future policy benefits and losses, claims and loss settlement expenses
Property and casualty insurance	974,246	960,651
Life insurance	1,471,584	1,472,132
Unearned premiums	360,782	340,464
Accrued expenses and other liabilities	124,124	142,677
Income taxes payable	1,948	0
Deferred income taxes	28,458	21,915
TOTAL LIABILITIES	2,961,142	2,937,839
Stockholders’ Equity
Common stock, $0.001 par value; authorized 75,000,000 shares; 25,396,845 and 25,360,893 shares issued and outstanding in 2014 and 2013, respectively	25	25
Additional paid-in capital	212,904	211,574
Retained earnings	492,848	484,084
Accumulated other comprehensive income, net of tax	102,330	87,150
TOTAL STOCKHOLDERS’ EQUITY	808,107	782,833
TOTAL LIABILITIES AND STOCKHOLDERS’ EQUITY	$ 3,769,249	$ 3,720,672