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Note 6 - Investments (Tables)
 6 Months Ended
Jun. 30, 2014
Investments [Abstract]  
Unrealized Gain (Loss) on Investments [Table Text Block]
Our held to maturity and available for sale securities within our investment portfolio consisted of the following as of the dates indicated:
 
June 30, 2014
(In thousands)
Amortized
Cost
 
Fair Value
 
Gross
Unrealized
Gains
 
Gross
Unrealized
Losses
Fixed-maturities held to maturity:
 
 
 
 
 
 
 
State and municipal obligations
$
50

 
$
50

 
$
—

 
$
—

 
$
50

 
$
50

 
$
—

 
$
—

Fixed-maturities available for sale:
 
 
 
 
 
 
 
U.S. government and agency securities
$
41,481

 
$
41,650

 
$
183

 
$
14

State and municipal obligations
26,363

 
27,460

 
1,116

 
19

Corporate bonds and notes
84,012

 
86,009

 
2,662

 
665

RMBS
59,720

 
61,233

 
1,513

 
—

Other ABS
96,665

 
96,060

 
103

 
708

Foreign government and agency securities
19,568

 
20,082

 
519

 
5

Other investments
242

 
242

 
—

 
—

 
$
328,051

 
$
332,736

 
$
6,096

 
$
1,411

Equity securities available for sale (1)
$
78,106

 
$
144,163

 
$
66,057

 
$
—

Total debt and equity securities
$
406,207

 
$
476,949

 
$
72,153

 
$
1,411

______________________
(1)
Comprising broadly diversified domestic equity mutual funds ($136.2 million fair value) and various preferred and common stocks invested across numerous companies and industries ($8.0 million fair value).
 
December 31, 2013
(In thousands)
Amortized
Cost
 
Fair Value
 
Gross
Unrealized
Gains
 
Gross
Unrealized
Losses
Fixed-maturities held to maturity:
 
 
 
 
 
 
 
State and municipal obligations
$
358

 
$
351

 
$
—

 
$
7

 
$
358

 
$
351

 
$
—

 
$
7

Fixed-maturities available for sale:
 
 
 
 
 
 
 
U.S. government and agency securities
$
8,939

 
$
9,106

 
$
224

 
$
57

State and municipal obligations
26,489

 
25,946

 
26

 
569

Corporate bonds and notes
11,951

 
12,045

 
578

 
484

RMBS
72,665

 
73,115

 
450

 
—

Other investments
341

 
341

 
—

 
—

 
$
120,385

 
$
120,553

 
$
1,278

 
$
1,110

Equity securities available for sale (1)
$
78,106

 
$
135,168

 
$
57,062

 
$
—

Total debt and equity securities
$
198,849

 
$
256,072

 
$
58,340

 
$
1,117

______________________
(1)
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).
Trading Securities (and Certain Trading Assets) [Table Text Block]
The trading securities within our investment portfolio, which are recorded at fair value, consisted of the following as of the dates indicated:

    
(In thousands)
June 30,
2014
 
December 31,
2013
Trading securities:
 
 
 
U.S. government and agency securities
$
318,407

 
$
393,815

State and municipal obligations
607,961

 
595,070

Corporate bonds and notes
977,168

 
1,024,574

RMBS
235,216

 
487,239

CMBS
278,582

 
288,895

Other ABS
155,551

 
195,816

Foreign government and agency securities
29,153

 
40,657

Equity securities
88,365

 
90,604

Other investments
674

 
759

Total
$
2,691,077

 
$
3,117,429
Gain (Loss) on Investments [Table Text Block]
Net realized and unrealized gains (losses) on investments consisted of:
 
Three Months Ended June 30,
 
Six Months Ended June 30,
(In thousands)
2014
 
2013
 
2014
 
2013
Net realized (losses) gains:
 
 
 
 
 
 
 
Fixed-maturities held to maturity
$
—

 
$
—

 
$
(9
)
 
$
2

Fixed-maturities available for sale
(604
)
 
803

 
206

 
869

Equities available for sale
—

 
349

 
—

 
349

Trading securities
184

 
3,183

 
(4,452
)
 
13,016

Short-term investments
—

 
—

 
—

 
2

Other invested assets
—

 
4,478

 
—

 
8,356

Other
(63
)
 
(4
)
 
(53
)
 
23

Net realized (losses) gains on investments
(483
)
 
8,809

 
(4,308
)
 
22,617

Unrealized gains (losses) on trading securities
47,447

 
(138,658
)
 
115,528

 
(156,441
)
Unrealized gains (losses) on other invested assets
255

 
(405
)
 
450

 
(1,935
)
Total gains (losses) on investments
$
47,219

 
$
(130,254
)
 
$
111,670

 
$
(135,759
)
Schedule Of Unrealized Losses [Table Text Block]
The following tables show the gross unrealized losses and fair value of our securities deemed “available for sale” and “held to maturity,” aggregated by investment category and length of time that individual securities have been in a continuous unrealized loss position, as of the dates indicated:
June 30, 2014: ($ in thousands) Description of Securities
 
Less Than 12 Months
 
12 Months or Greater
 
Total
# of
securities
 
Fair Value
 
Unrealized
Losses
 
# of
securities
 
Fair Value
 
Unrealized
Losses
 
# of
securities
 
Fair Value
 
Unrealized
Losses
U.S. government and agency securities
 
1

 
$
5,455

 
$
14

 
—

 
$
—

 
$
—

 
1

 
$
5,455

 
$
14

State and municipal obligations
 
—

 
—

 
—

 
2

 
5,722

 
19

 
2

 
5,722

 
19

Corporate bonds and notes
 
13

 
11,046

 
47

 
2

 
2,928

 
618

 
15

 
13,974

 
665

Other ABS
 
19

 
80,266

 
708

 
—

 
—

 
—

 
19

 
80,266

 
708

Foreign government and agency securities
 
3

 
1,470

 
5

 
—

 
—

 
—

 
3

 
1,470

 
5

Total
 
36

 
$
98,237

 
$
774

 
4

 
$
8,650

 
$
637

 
40

 
$
106,887

 
$
1,411


December 31, 2013: ($ in thousands) Description of Securities
 
Less Than 12 Months
 
12 Months or Greater
 
Total
# of
securities
 
Fair Value
 
Unrealized
Losses
 
# of
securities
 
Fair Value
 
Unrealized
Losses
 
# of
securities
 
Fair Value
 
Unrealized
Losses
U.S. government and agency securities
 
1

 
$
5,401

 
$
57

 
—

 
$
—

 
$
—

 
1

 
$
5,401

 
$
57

State and municipal obligations
 
4

 
14,502

 
42

 
2

 
5,514

 
534

 
6

 
20,016

 
576

Corporate bonds and notes
 
—

 
—

 
—

 
2

 
2,966

 
484

 
2

 
2,966

 
484

Total
 
5

 
$
19,903

 
$
99

 
4

 
$
8,480

 
$
1,018

 
9

 
$
28,383

 
$
1,117
Investments Classified by Contractual Maturity Date [Table Text Block]
The contractual maturities of fixed-maturity investments are as follows:
 
June 30, 2014
 
Held to Maturity
 
Available for Sale
(In thousands)
Amortized
Cost
 
Fair
Value
 
Amortized
Cost
 
Fair
Value
Due in one year or less (1)
$
50

 
$
50

 
$
3,582

 
$
3,036

Due after one year through five years (1)
—

 
—

 
77,618

 
78,054

Due after five years through ten years (1)
—

 
—

 
58,754

 
60,404

Due after ten years (1)
—

 
—

 
91,432

 
95,182

Other ABS (2)
—

 
—

 
96,665

 
96,060

Total
$
50

 
$
50

 
$
328,051

 
$
332,736

______________________
(1)
Actual maturities may differ as a result of calls before scheduled maturity.
(2)
Other ABS are shown separately, as they are not due at a single maturity date.