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Note 18 - Accumulated Other Comprehensive Income (Loss) Level 3 (Tables)
 12 Months Ended
Dec. 31, 2018
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 accumulated other comprehensive income (loss) as of the periods indicated:
 
Year Ended December 31, 2018
(In thousands)
Before Tax
 
Tax Effect
 
Net of Tax
Balance at beginning of period
$
32,669

 
$
9,584

 
$
23,085

Cumulative effect of adopting the accounting standard update for financial instruments
284

 
60

 
224

Cumulative effect of adopting the accounting standard update for the reclassification of certain tax effects
—

 
(2,724
)
 
2,724

Balance adjusted for cumulative effect of adopting accounting standard updates
32,953

 
6,920

 
26,033

Other comprehensive income (loss) (“OCI”):
 
 
 
 
 
Unrealized gains (losses) on investments:
 
 
 
 
 
Unrealized holding gains (losses) arising during the period
(123,235
)
 
(25,879
)
 
(97,356
)
Less: Reclassification adjustment for net gains (losses) included in net income (1) 
(13,000
)
 
(2,730
)
 
(10,270
)
Net unrealized gains (losses) on investments
(110,235
)
 
(23,149
)
 
(87,086
)
Net foreign currency translation adjustments
5

 
1

 
4

Net actuarial gains (losses)
163

 
34

 
129

OCI
(110,067
)
 
(23,114
)
 
(86,953
)
Balance at end of period
$
(77,114
)
 
$
(16,194
)
 
$
(60,920
)
 
 
 
 
 
 
 
Year Ended December 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
46,235

 
14,332

 
31,903

Less: Reclassification adjustment for net gains (losses) included in net income (1) 
(4,065
)
 
(1,423
)
 
(2,642
)
Net unrealized gains (losses) on investments
50,300

 
15,755

 
34,545

Foreign currency translation adjustments:
 
 
 
 
 
Unrealized foreign currency translation adjustments
225

 
75

 
150

Less: Reclassification adjustment for liquidation of foreign subsidiary and other adjustments included in net income (2) 
(1,109
)
 
(388
)
 
(721
)
Net foreign currency translation adjustments
1,334

 
463

 
871

Net actuarial gains (losses)
98

 
34

 
64

OCI
51,732

 
16,252

 
35,480

Balance at end of period
$
32,669

 
$
9,584

 
$
23,085

 
 
 
 
 
 
 
Year Ended December 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
13,510

 
4,728

 
8,782

Less: Reclassification adjustment for net gains (losses) included in net income (1) 
3,463

 
1,212

 
2,251

Net unrealized gains (losses) on investments
10,047

 
3,516

 
6,531

Net foreign currency translation adjustments
(724
)
 
(250
)
 
(474
)
Net actuarial gains (losses)
39

 
14

 
25

OCI
9,362

 
3,280

 
6,082

Balance at end of period
$
(19,063
)
 
$
(6,668
)
 
$
(12,395
)
______________________
(1)
Included in net gains (losses) on investments and other financial instruments in our consolidated statements of operations.
(2)
Included in restructuring and other exit costs in our consolidated statements of operations.