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Other Comprehensive Income (Loss)
 9 Months Ended
Sep. 30, 2019
Equity [Abstract]  
Other Comprehensive Income (Loss) Other Comprehensive Income (Loss)

The tables below summarize the changes in accumulated other comprehensive income (loss) by component for the three and nine months ended September 30, 2019 and 2018, net of tax:
September 30, 2019

Unrealized Gains and Losses on Available-for-Sale Securities

Postretirement Benefit Items

Total










Beginning Balance at July 1, 2019

$
11,546


$
(339
)

$
11,207

Other Comprehensive Income (Loss) Before Reclassification

4,896


—


4,896

Amounts Reclassified from Accumulated Other Comprehensive Income (Loss)

(247
)

—


(247
)
Net Current Period Other Comprehensive Income (Loss)

4,649


—


4,649

Ending Balance at September 30, 2019

$
16,195


$
(339
)

$
15,856


September 30, 2019

Unrealized Gains and Losses on Available-for-Sale Securities

Postretirement Benefit Items

Total










Beginning Balance at January 1, 2019

$
(6,759
)

$
(339
)

$
(7,098
)
Other Comprehensive Income (Loss) Before Reclassification

23,731


—


23,731

Amounts Reclassified from Accumulated Other Comprehensive Income (Loss)

(777
)

—


(777
)
Net Current Period Other Comprehensive Income (Loss)

22,954


—


22,954

Ending Balance at September 30, 2019

$
16,195


$
(339
)

$
15,856


September 30, 2018
 
Unrealized Gains and Losses on Available-for-Sale Securities
 
Postretirement Benefit Items
 
Total
 
 
 
 
 
 
 
Beginning Balance at July 1, 2018
 
$
(13,054
)
 
$
(285
)
 
$
(13,339
)
Other Comprehensive Income (Loss) Before Reclassification
 
(3,850
)
 
—

 
(3,850
)
Amounts Reclassified from Accumulated Other Comprehensive Income (Loss)
 
(71
)
 
—

 
(71
)
Net Current Period Other Comprehensive Income (Loss)
 
(3,921
)
 
—

 
(3,921
)
Ending Balance at September 30, 2018
 
$
(16,975
)
 
$
(285
)
 
$
(17,260
)

September 30, 2018
 
Unrealized Gains and Losses on Available-for-Sale Securities
 
Postretirement Benefit Items
 
Total
 
 
 
 
 
 
 
Beginning Balance at January 1, 2018
 
$
(2,335
)
 
$
(285
)
 
$
(2,620
)
Other Comprehensive Income (Loss) Before Reclassification
 
(14,298
)
 
—

 
(14,298
)
Amounts Reclassified from Accumulated Other Comprehensive Income (Loss)
 
(342
)
 
—

 
(342
)
Net Current Period Other Comprehensive Income (Loss)
 
(14,640
)
 
—

 
(14,640
)
Ending Balance at September 30, 2018
 
$
(16,975
)
 
$
(285
)
 
$
(17,260
)


The tables below summarize the classifications out of accumulated other comprehensive income (loss) by component for the three and nine months ended September 30, 2019 and 2018:
Details about Accumulated Other Comprehensive Income (Loss) Components

Amount Reclassified From Accumulated Other Comprehensive Income (Loss)

Affected Line Item in the Statement Where Net Income is Presented






Unrealized Gains and Losses on Available-for-Sale Securities

$
313


Net Gains on Securities


(66
)

Income Tax Expense
 

247


Net of Tax






Total Reclassifications for the Three Months Ended September 30, 2019

$
247


 

Details about Accumulated Other Comprehensive Income (Loss) Components

Amount Reclassified From Accumulated Other Comprehensive Income (Loss)

Affected Line Item in the Statement Where Net Income is Presented






Unrealized Gains and Losses on Available-for-Sale Securities

$
984


Net Gains on Securities
 

(207
)

Income Tax Expense
 

777


Net of Tax






Total Reclassifications for the Nine Months Ended September 30, 2019

$
777


 
Details about Accumulated Other Comprehensive Income (Loss) Components
 
Amount Reclassified From Accumulated Other Comprehensive Income (Loss)
 
Affected Line Item in the Statement Where Net Income is Presented
 
 
 
 
 
Unrealized Gains and Losses on Available-for-Sale Securities
 
$
90

 
Net Gains on Securities
 
 
(19
)
 
Income Tax Expense
 
 
71

 
Net of Tax
 
 
 
 
 
Total Reclassifications for the Three Months Ended September 30, 2018
 
$
71

 
 
Details about Accumulated Other Comprehensive Income (Loss) Components
 
Amount Reclassified From Accumulated Other Comprehensive Income (Loss)
 
Affected Line Item in the Statement Where Net Income is Presented
 
 
 
 
 
Unrealized Gains and Losses on Available-for-Sale Securities
 
$
434

 
Net Gains on Securities
 
 
(92
)
 
Income Tax Expense
 
 
342

 
Net of Tax
 
 
 
 
 
Total Reclassifications for the Nine Months Ended September 30, 2018
 
$
342