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Changes in Accumulated Other Comprehensive Income Balances
9 Months Ended
Sep. 30, 2020
Changes in Accumulated Other Comprehensive Income Balances [Abstract]  
Changes in Accumulated Other Comprehensive Income Balances

20. Changes in Accumulated Other Comprehensive Income Balances

The changes in accumulated other comprehensive income balances as of September 30, 2020 and 2019 were as follows (in thousands):

​

​

​

​

​

​

​

​

​

​

​

    

​

    

​

​

    

Accumulated Other

​

​

Pension

​

Unrealized

​

Comprehensive

​

    

Liability

    

Gains (Loss)

    

Income (Loss)

Balance at December 31, 2018

​

$

(3,334)

​

$

(3,326)

​

$

(6,660)

Other comprehensive income:

​

 

  

​

 

  

​

 

​

Change in net actuarial gain

​

 

108

​

 

—

​

 

108

Tax effect on change in net actuarial gain

​

 

(23)

​

 

—

​

 

(23)

Unrealized holding gains arising during the period

​

 

—

​

 

13,010

​

 

13,010

Tax effect on unrealized gains arising during the period

​

 

—

​

 

(2,732)

​

 

(2,732)

Reclassification adjustment for gains included in net income

​

 

—

​

 

(4,376)

​

 

(4,376)

Tax effect on reclassification adjustment for gains included in net income

​

 

—

​

 

919

​

 

919

Other comprehensive income, net of tax

​

 

85

​

 

6,821

​

 

6,906

Balance at September 30, 2019

​

$

(3,249)

​

$

3,495

​

$

246

​

​

​

​

​

​

​

​

​

​

Balance at December 31, 2019

​

$

(3,239)

​

$

3,927

​

$

688

Other comprehensive income (loss):

​

 

  

​

 

  

​

 

  

Change in net actuarial gain

​

 

104

​

 

—

​

 

104

Tax effect on change in net actuarial gain

​

 

(22)

​

 

—

​

 

(22)

Unrealized holding gains arising during the period

​

 

—

​

 

4,149

​

 

4,149

Tax effect on unrealized holding gains arising during the period

​

 

—

​

 

(872)

​

 

(872)

Reclassification adjustment for gains included in net loss

​

 

—

​

 

(5,612)

​

 

(5,612)

Tax effect on reclassification adjustment for gains included in net loss

​

 

—

​

 

1,179

​

 

1,179

Other comprehensive income (loss), net of tax

​

 

82

​

 

(1,156)

​

 

(1,074)

Balance at September 30, 2020

​

$

(3,157)

​

$

2,771

​

$

(386)

​