Consolidated Balance Sheets (Parentheticals) (USD $) In Thousands, except Share data, unless otherwise specified	Dec. 31, 2013	Dec. 31, 2012
Balance Sheet Related Disclosures [Abstract]
Fixed maturities, Held-to-maturity securities, at fair value	$ 669	$ 1,681
Fixed maturities, Available-for-sale securities, at amortized cost	2,733,557	2,657,800
Fixed maturities, Trading securities, at amortized cost	8,049	12,645
Equity Securities, Available-for-sale securities, at amortized cost	70,957	66,892
Equity Securities, Trading securities, at amortized cost	2,367	1,772
Allowance for doubtful accounts	896	866
Property and equipment accumulated depreciation	$ 36,972	$ 34,093
Common stock, par value per share (in usd per share)	$ 0.001	$ 0.001
Common stock, shares authorized	75,000,000	75,000,000
Common stock, shares issued	25,360,893	25,227,463
Common stock, shares outstanding	25,360,893	25,227,463