Note 6 - Investments Total Debt and Equity Securities (Details) (USD $)	3 Months Ended		12 Months Ended
	Mar. 31, 2014		Dec. 31, 2013
Fixed maturities held to maturity
Held-to-maturity Securities	$ 50,000		$ 358,000
Held-to-maturity Securities, Fair Value Disclosure	50,000		351,000
Fixed maturities available for sale securities
Amortized cost	212,734,000		120,385,000
Equity securities available for sale
Available-for-sale Equity Securities, Amortized Cost Basis	78,106,000		78,106,000
Available-for-sale Securities, Equity Securities	137,920,000		135,168,000
Total debt and equity securities
Amortized Cost	290,890,000		198,849,000
Fair Value	351,959,000		256,072,000
Gross Unrealized Gains	62,572,000		58,340,000
Gross Unrealized Losses	1,503,000		1,117,000
Debt Securities
Fixed maturities held to maturity
Held-to-maturity Securities	50,000		358,000
Held-to-maturity Securities, Fair Value Disclosure	50,000		351,000
Gross unrealized gains	0		0
Gross unrealized losses	0		7,000
Fixed maturities available for sale securities
Amortized cost	212,734,000		120,385,000
Fair value	213,989,000		120,553,000
Gross unrealized gains	2,758,000		1,278,000
Gross unrealized losses	1,503,000		1,110,000
US government and agency securities
Fixed maturities available for sale securities
Amortized cost	8,961,000		8,939,000
Fair value	9,116,000		9,106,000
Gross unrealized gains	202,000		224,000
Gross unrealized losses	47,000		57,000
State and municipal obligations
Fixed maturities held to maturity
Held-to-maturity Securities	50,000		358,000
Held-to-maturity Securities, Fair Value Disclosure	50,000		351,000
Gross unrealized gains	0		0
Gross unrealized losses	0		7,000
Fixed maturities available for sale securities
Amortized cost	26,428,000		26,489,000
Fair value	26,699,000		25,946,000
Gross unrealized gains	624,000		26,000
Gross unrealized losses	353,000		569,000
Corporate bonds and notes
Fixed maturities available for sale securities
Amortized cost	58,480,000		11,951,000
Fair value	58,812,000		12,045,000
Gross unrealized gains	1,102,000		578,000
Gross unrealized losses	770,000		484,000
RMBS
Fixed maturities available for sale securities
Amortized cost	36,500,000		72,665,000
Fair value	37,196,000		73,115,000
Gross unrealized gains	696,000		450,000
Gross unrealized losses	0		0
Other ABS
Fixed maturities available for sale securities
Amortized cost	64,184,000
Fair value	64,124,000
Gross unrealized gains	65,000
Gross unrealized losses	125,000
Foreign government securities
Fixed maturities available for sale securities
Amortized cost	17,944,000
Fair value	17,805,000
Gross unrealized gains	69,000
Gross unrealized losses	208,000
Other investments
Fixed maturities available for sale securities
Amortized cost	237,000		341,000
Fair value	237,000		341,000
Gross unrealized gains	0		0
Gross unrealized losses	0		0
Equity securities
Equity securities available for sale
Available-for-sale Equity Securities, Amortized Cost Basis	78,106,000	[1]	78,106,000	[2]
Available-for-sale Securities, Equity Securities	137,920,000	[1]	135,168,000	[2]
Gross unrealized gains	59,814,000	[1]	57,062,000	[2]
Gross unrealized losses	0	[1]	0	[2]
Equity Securities Additional Disclosure [Abstract]
Diversified Equity Mutual Funds	130,000,000		128,300,000
Preferred And Common Stocks	$ 8,000,000		$ 6,900,000

[1] Comprising broadly diversified domestic equity mutual funds ($130.0 million fair value) and various preferred and common stocks invested across numerous companies and industries ($8.0 million fair value).

[2] Comprising broadly diversified domestic equity mutual funds ($128.3 million fair value) and various preferred and common stocks invested across numerous companies and industries ($6.9 million fair value).