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Other Comprehensive Income (Loss) (Tables)
 12 Months Ended
Dec. 31, 2018
Other Comprehensive Income (Loss), Tax [Abstract]  
Change In Accumulated Other Comprehensive Income By Component, Net Of Taxes And Noncontrolling Interests
The following table presents the change in accumulated other comprehensive income (loss) by component, net of taxes and noncontrolling interests.

(dollars in thousands)
Unrealized
Holding Gains
on Available-for-
Sale Securities
 
Foreign
Currency
 
Net Actuarial
Pension Loss
 
Total
December 31, 2015
$
1,472,762

 
$
(72,696
)
 
$
(45,558
)
 
$
1,354,508

Other comprehensive income (loss) before reclassifications
275,696

 
(11,710
)
 
(20,700
)
 
243,286

Amounts reclassified from accumulated other comprehensive income
(33,528
)
 
—

 
1,600

 
(31,928
)
Total other comprehensive income (loss)
242,168

 
(11,710
)
 
(19,100
)
 
211,358

December 31, 2016
$
1,714,930

 
$
(84,406
)
 
$
(64,658
)
 
$
1,565,866

Other comprehensive income before reclassifications
787,339

 
10,403

 
3,092

 
800,834

Amounts reclassified from accumulated other comprehensive income
(24,296
)
 
—

 
3,167

 
(21,129
)
Total other comprehensive income
763,043

 
10,403

 
6,259

 
779,705

December 31, 2017
$
2,477,973

 
$
(74,003
)
 
$
(58,399
)
 
$
2,345,571

Cumulative effect of adoption of ASU No. 2016-01
(2,597,976
)
 
2,492

 
—

 
(2,595,484
)
Cumulative effect of adoption of ASU No. 2018-02
401,539

 
1,314

 
—

 
402,853

January 1, 2018
281,536

 
(70,197
)
 
(58,399
)
 
152,940

Other comprehensive loss before reclassifications
(241,325
)
 
(16,455
)
 
—

 
(257,780
)
Amounts reclassified from accumulated other comprehensive income (1)
7,849

 
—

 
2,341

 
10,190

Total other comprehensive income (loss)
(233,476
)
 
(16,455
)
 
2,341

 
(247,590
)
December 31, 2018
$
48,060

 
$
(86,652
)
 
$
(56,058
)
 
$
(94,650
)

(1) 
Effective January 1, 2018, the Company adopted ASU No. 2016-01 and equity securities are no longer classified as available-for-sale with unrealized gains and losses recognized in other comprehensive income, rather, changes in the fair value of equity securities are now recognized in net income. Prior periods have not been restated to conform to the current presentation. See note 1.
Summary Of Tax Expense (Benefit) Of Other Comprehensive Income (Loss)
The following table summarizes the tax expense (benefit) associated with each component of other comprehensive income (loss).

 
Years Ended December 31,
(dollars in thousands)
2018
 
2017
 
2016
Change in net unrealized gains on available-for-sale investments:(1)
 
 
 
 
 
Net holding gains (losses) arising during the period
$
(68,056
)
 
$
372,469

 
$
112,399

Change in unrealized other-than-temporary impairment losses on fixed maturities arising during the period
—

 
—

 
6

Reclassification adjustments for net gains (losses) included in net income (loss)
2,086

 
(10,072
)
 
(12,462
)
Change in net unrealized gains on available-for-sale investments
(65,970
)
 
362,397

 
99,943

Change in foreign currency translation adjustments
1,523

 
28

 
1,037

Change in net actuarial pension loss
622

 
1,284

 
(4,192
)
Total
$
(63,825
)
 
$
363,709

 
$
96,788


(1) 
Effective January 1, 2018, the Company adopted ASU No. 2016-01 and equity securities are no longer classified as available-for-sale with unrealized gains and losses recognized in other comprehensive income, rather, changes in the fair value of equity securities are now recognized in net income. Prior periods have not been restated to conform to the current presentation. See note 1.
Reclassifications From Accumulated Other Comprehensive Income Into Income, By Component
The following table presents the details of amounts reclassified from accumulated other comprehensive income into income, by component.
 
Years Ended December 31,
(dollars in thousands)
2018
 
2017
 
2016
Unrealized holding gains on available-for-sale investments: (1)
 
 
 
 
 
Other-than-temporary impairment losses
$
—

 
$
(7,589
)
 
$
(18,355
)
Net realized investment gains (losses), excluding other-than-temporary impairment losses
(9,935
)
 
41,957

 
64,345

Total before income taxes
(9,935
)
 
34,368

 
45,990

Income taxes
2,086

 
(10,072
)
 
(12,462
)
Reclassification of unrealized holding gains, net of taxes
$
(7,849
)
 
$
24,296

 
$
33,528

 
 
 
 
 
 
Net actuarial pension loss:
 
 
 
 
 
Underwriting, acquisition and insurance expenses
$
(2,963
)
 
$
(3,815
)
 
$
(1,951
)
Income taxes
622

 
648

 
351

Reclassification of net actuarial pension loss, net of taxes
$
(2,341
)
 
$
(3,167
)
 
$
(1,600
)

(1) 
Effective January 1, 2018, the Company adopted ASU No. 2016-01 and equity securities are no longer classified as available-for-sale with unrealized gains and losses recognized in other comprehensive income, rather, changes in the fair value of equity securities are now recognized in net income. Prior periods have not been restated to conform to the current presentation. See note 1.