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Accumulated Other Comprehensive Income (Loss)
 3 Months Ended
Mar. 31, 2019
Equity [Abstract]  
Accumulated Other Comprehensive Income (Loss)
Accumulated Other Comprehensive Income
The following table summarizes the changes in AOCI by component for the:
 
Three Months Ended March 31
 
2019
 
2018

Unrealized
Gains
(Losses) on
AFS
Securities
 
Unrealized
Gains
(Losses) on Derivative Instruments
 
Defined
Benefit
Pension Plan
 
Total
 
Unrealized
Gains
(Losses) on
AFS
Securities
 
Unrealized
Gains
(Losses) on Derivative Instruments
 
Defined
Benefit
Pension Plan
 
Total
Balance, January 1
$
(5,200
)
 
$
256

 
$
(2,741
)
 
$
(7,685
)
 
$
391

 
$
230

 
$
(3,223
)
 
$
(2,602
)
OCI before reclassifications
5,954

 
(81
)
 
—

 
5,873

 
(8,057
)
 
122

 
—

 
(7,935
)
Tax effect
(1,195
)
 
17

 
—

 
(1,178
)
 
1,684

 
(26
)
 
—

 
1,658

OCI, net of tax
4,759

 
(64
)
 
—

 
4,695

 
(6,373
)

96


—


(6,277
)
Adoption of ASU 2016-01
—

 
—

 
—

 
—

 
223

 
—

 
—

 
223

Balance, March 31
$
(441
)
 
$
192

 
$
(2,741
)
 
$
(2,990
)
 
$
(5,759
)
 
$
326

 
$
(3,223
)
 
$
(8,656
)

Included in OCI for the three month periods ended March 31, 2019 and 2018 are changes in unrealized gains and losses related to auction rate money market preferred stocks. These investments, for federal income tax purposes, have no deferred federal income taxes related to unrealized gains or losses given the nature of the investments.
A summary of the components of unrealized gains on AFS securities included in OCI follows for the:
 
Three Months Ended March 31
 
2019
 
2018

Auction Rate Money Market Preferred Stocks
 
All Other AFS Securities
 
Total
 
Auction Rate Money Market Preferred and Preferred Stocks
 
All Other AFS Securities
 
Total
Unrealized gains (losses) arising during the period
$
265

 
$
5,689

 
$
5,954

 
$
(37
)
 
$
(8,020
)
 
$
(8,057
)
Tax effect
—

 
(1,195
)
 
(1,195
)
 
—

 
1,684

 
1,684

Unrealized gains (losses), net of tax
$
265

 
$
4,494

 
$
4,759

 
$
(37
)

$
(6,336
)

$
(6,373
)