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Note 5 - Investments Schedule of Contractual Maturities (Details) - USD ($)
$ in Thousands

Mar. 31, 2016

Dec. 31, 2015

Available-for-sale Securities, Amortized Cost

Available-for-sale Debt Securities, Amortized Cost Basis

$ 2,487,445

$ 1,893,356

Available-for-sale Securities, Fair Value

Available-for-sale Securities, Debt Securities

2,523,335

1,865,461

Debt Securities

Available-for-sale Securities, Amortized Cost

Available-for-sale Debt Securities, Amortized Cost Basis

2,487,445

Available-for-sale Securities, Fair Value

Available-for-sale Securities, Debt Securities

2,523,335

Non Asset Backed Security Investments, Contractual Maturities

Available-for-sale Securities, Amortized Cost

Due in one year or less

^[1]

9,618

Due after one year through five years

^[1]

323,427

Due after five years through ten years

^[1]

564,211

Due after ten years

^[1]

380,874

Available-for-sale Securities, Fair Value

Due in one year or less

^[1]

9,629

Due after one year through five years

^[1]

326,269

Due after five years through ten years

^[1]

578,151

Due after ten years

^[1]

396,239

RMBS

Available-for-sale Securities, Amortized Cost

Available-for-sale Securities, Debt Maturities, without Single Maturity Date, Amortized Cost Basis

^[2]

304,401

Available-for-sale Securities, Fair Value

Available-for-sale Securities, Debt Maturities, without Single Maturity Date, Fair Value

^[2]

307,516

CMBS

Available-for-sale Securities, Amortized Cost

Available-for-sale Securities, Debt Maturities, without Single Maturity Date, Amortized Cost Basis

^[2]

504,978

Available-for-sale Securities, Fair Value

Available-for-sale Securities, Debt Maturities, without Single Maturity Date, Fair Value

^[2]

509,070

Other ABS

Available-for-sale Securities, Amortized Cost

Available-for-sale Securities, Debt Maturities, without Single Maturity Date, Amortized Cost Basis

^[2]

399,936

Available-for-sale Securities, Fair Value

Available-for-sale Securities, Debt Maturities, without Single Maturity Date, Fair Value

^[2]

396,461

2013 Freddie Mac Agreement [Member] | Radian Guaranty Inc [Member]

Available-for-sale Securities, Fair Value

Restricted Investments Held as Collateral for Master Transaction Agreement, Net

$ 75,300

$ 74,700

[1]	Actual maturities may differ as a result of calls before scheduled maturity.
[2]	RMBS, CMBS and Other ABS are shown separately, as they are not due at a single maturity date.

X

- Definition

Investments restricted as to use but included in the marketable securities categories of an unclassified balance sheet, net of final loss mitigation activity.

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