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Supplemental Information about Changes to Accumulated Other Comprehensive Income
 3 Months Ended
Mar. 31, 2018
Equity [Abstract]  
Supplemental Information about Changes to Accumulated Other Comprehensive Income
Supplemental Information about Changes to Accumulated Other Comprehensive Income

An analysis of the change in balance by component of Accumulated Other Comprehensive Income is as follows for the three month periods ended March 31, 2018 and 2017.
 
 
 
 
 
 
 
 
 
 
 
Components of Accumulated Other Comprehensive Income
 
 
Three Months Ended March 31, 2018
 
 
Available
for Sale
Assets
 
Deferred
Acquisition
Costs
 
Foreign
Exchange
 
Pension
Adjustments
 
Total
Balance at January 1, 2018
 
$
1,569,289

 
$
(8,547
)
 
$
16,302

 
$
(152,770
)
 
$
1,424,274

Other comprehensive income (loss) before reclassifications, net of tax
 
(485,843
)
 
356

 
(1,023
)
 
—

 
(486,510
)
Reclassifications, net of tax
 
(550
)
 
—

 
—

 
2,985

 
2,435

Other comprehensive income (loss)
 
(486,393
)
 
356

 
(1,023
)
 
2,985

 
(484,075
)
Balance at March 31, 2018
 
$
1,082,896

 
$
(8,191
)
 
$
15,279

 
$
(149,785
)
 
$
940,199

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Three Months Ended March 31, 2017
 
 
Available
for Sale
Assets
 
Deferred
Acquisition
Costs
 
Foreign
Exchange
 
Pension
Adjustments
 
Total
Balance at January 1, 2017
 
$
692,314

 
$
(6,682
)
 
$
4,967

 
$
(113,025
)
 
$
577,574

Other comprehensive income (loss) before reclassifications, net of tax
 
140,700

 
(500
)
 
3,786

 
241

 
144,227

Reclassifications, net of tax
 
(957
)
 
—

 
—

 
2,021

 
1,064

Other comprehensive income (loss)
 
139,743

 
(500
)
 
3,786

 
2,262

 
145,291

Balance at March 31, 2017
 
$
832,057

 
$
(7,182
)
 
$
8,753

 
$
(110,763
)
 
$
722,865


                                                                                                                                                           
Reclassifications out of Accumulated Other Comprehensive Income are presented below for the three month periods ended March 31, 2018 and 2017.
Reclassification Adjustments
  
 
Three Months Ended 
 March 31,
 
Affected line items in the
Statement of Operations
 
 
2018
 
2017
 
Unrealized investment gains (losses) on available for sale assets:
 
 
 
 
 
 
Realized (gains) losses
 
$
(1,386
)
 
$
(1,035
)
 
Realized investment gains (losses)
Amortization of (discount) premium
 
690

 
(437
)
 
Net investment income
Total before tax
 
(696
)
 
(1,472
)
 
 
Tax
 
146

 
515

 
Income taxes
Total after tax
 
(550
)
 
(957
)
 
 
Pension adjustments:
 
 
 
 
 
 
Amortization of prior service cost
 
119

 
119

 
Other operating expense
Amortization of actuarial gain (loss)
 
3,659

 
2,990

 
Other operating expense
Total before tax
 
3,778

 
3,109

 
 
Tax
 
(793
)
 
(1,088
)
 
Income taxes
Total after tax
 
2,985

 
2,021

 
 
Total reclassifications (after tax)
 
$
2,435

 
$
1,064