Note 6 - Investments Schedule of Contractual Maturities (Details) (USD $) In Thousands, unless otherwise specified	Mar. 31, 2014		Dec. 31, 2013
Held-to-maturity Securities, Amortized Cost
Held-to-maturity Securities	$ 50		$ 358
Held-to-maturity Securities, Fair Value
Total held to maturity fair value	50		351
Available-for-sale Securities, Amortized Cost
Amortized cost	212,734		120,385
Available-for-sale Securities, Fair Value
Fair value	213,989		120,553
Debt Securities
Held-to-maturity Securities, Amortized Cost
Held-to-maturity Securities	50
Held-to-maturity Securities, Fair Value
Total held to maturity fair value	50
Available-for-sale Securities, Amortized Cost
Amortized cost	212,734
Available-for-sale Securities, Fair Value
Fair value	213,989
Non Asset Backed Security Investments, Contractual Maturities
Held-to-maturity Securities, Amortized Cost
Due in one year or less	50	[1]
Due after one year through five years	0	[1]
Due after five years through ten years	0	[1]
Due after ten years	0	[1]
Held-to-maturity Securities, Fair Value
Due in one year or less	50	[1]
Due after one year through five years	0	[1]
Due after five years through ten years	0	[1]
Due after ten years	0	[1]
Available-for-sale Securities, Amortized Cost
Due in one year or less	3,543	[1]
Due after one year through five years	42,858	[1]
Due after five years through ten years	39,863	[1]
Due after ten years	25,785	[1]
Available-for-sale Securities, Fair Value
Due in one year or less	3,066	[1]
Due after one year through five years	42,935	[1]
Due after five years through ten years	39,858	[1]
Due after ten years	26,809	[1]
RMBS
Held-to-maturity Securities, Amortized Cost
Held-to-maturity Securities, Debt Maturities, without Single Maturity Date, Net Carrying Amount	0	[2]
Held-to-maturity Securities, Fair Value
Held-to-maturity Securities, Debt Maturities, without Single Maturity Date, Fair Value	0	[2]
Available-for-sale Securities, Amortized Cost
Available-for-sale Securities, Debt Maturities, without Single Maturity Date, Amortized Cost Basis	36,500	[2]
Available-for-sale Securities, Fair Value
Available-for-sale Securities, Debt Maturities, without Single Maturity Date, Fair Value	37,196	[2]
Other ABS
Held-to-maturity Securities, Amortized Cost
Held-to-maturity Securities, Debt Maturities, without Single Maturity Date, Net Carrying Amount	0	[2]
Held-to-maturity Securities, Fair Value
Held-to-maturity Securities, Debt Maturities, without Single Maturity Date, Fair Value	0	[2]
Available-for-sale Securities, Amortized Cost
Available-for-sale Securities, Debt Maturities, without Single Maturity Date, Amortized Cost Basis	64,185	[2]
Available-for-sale Securities, Fair Value
Available-for-sale Securities, Debt Maturities, without Single Maturity Date, Fair Value	$ 64,125	[2]

[1] Actual maturities may differ as a result of calls before scheduled maturity.

[2] RMBS and Other ABS are shown separately, as they are not due at a single maturity date.