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Note 14 - Accumulated Other Comprehensive Income (Tables)
 3 Months Ended
Mar. 31, 2017
Accumulated Other Comprehensive Income (Loss), Net of Tax [Abstract]  
Schedule of Accumulated Other Comprehensive Income (Loss) [Table Text Block]
The following table shows the rollforward of AOCI as of the periods indicated:
 
Three Months Ended March 31, 2017
(In thousands)
Before Tax
 
Tax Effect
 
Net of Tax
Balance at beginning of period
$
(19,063
)
 
$
(6,668
)
 
$
(12,395
)
OCI:
 
 
 
 
 
Unrealized gains (losses) on investments:
 
 
 
 
 
Unrealized holding gains (losses) arising during the period
11,334

 
3,967

 
7,367

Less: Reclassification adjustment for net gains (losses) included in net income (1) 
(2,509
)
 
(878
)
 
(1,631
)
Net unrealized gains (losses) on investments
13,843

 
4,845

 
8,998

Net foreign currency translation adjustments
52

 
18

 
34

OCI
13,895

 
4,863

 
9,032

Balance at end of period
$
(5,168
)
 
$
(1,805
)
 
$
(3,363
)
 
 
 
 
 
 
 
Three Months Ended March 31, 2016
(In thousands)
Before Tax
 
Tax Effect
 
Net of Tax
Balance at beginning of period
$
(28,425
)
 
$
(9,948
)
 
$
(18,477
)
OCI:
 
 
 
 
 
Unrealized gains (losses) on investments:
 
 
 
 
 
Unrealized holding gains (losses) arising during the period
60,575

 
21,201

 
39,374

Less: Reclassification adjustment for net gains (losses) included in net income (1) 
(3,318
)
 
(1,161
)
 
(2,157
)
Net unrealized gains (losses) on investments
63,893

 
22,362

 
41,531

Net foreign currency translation adjustments
(130
)
 
(45
)
 
(85
)
Net actuarial loss
(274
)
 
(96
)
 
(178
)
OCI
63,489

 
22,221

 
41,268

Balance at end of period
$
35,064

 
$
12,273

 
$
22,791

______________________
(1)
Included in net gains (losses) on investments and other financial instruments on our consolidated statements of operations.