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Accumulated Other Comprehensive Income (Tables)
 9 Months Ended
Sep. 30, 2019
Other Comprehensive Income (Loss), Net of Tax [Abstract]  
Schedule Of Changes In Balances Of Each Component Of Accumulated Other Comprehensive Income, Net Of Tax
The following tables provide changes in the balances of each component of accumulated other comprehensive income, net of tax, for the periods ended September 30, 2019 and 2018:
Three Months Ended
September 30, 2019 (in thousands)
Unrealized Gains and Losses
On Available-for-Sale
Securities
 
Postretirement
Benefits Plans
 
 
Total
Beginning balance at July 1
$
2,886

 
$
(32
)
 
$
2,854

Other comprehensive income before reclassifications
341

 
—

 
341

Amounts reclassified from accumulated other comprehensive income
—

 
—

 
—

Net current-period other comprehensive income
341

 
—

 
341

Ending balance
$
3,227

 
$
(32
)
 
$
3,195

Three Months Ended
September 30, 2018 (in thousands)
Unrealized Gains and Losses
On Available-for-Sale
Securities
 
Postretirement
Benefits Plans
 
 
Total
Beginning balance at July 1
$
875

 
$
(69
)
 
$
806

Other comprehensive loss before reclassifications
(487
)
 
—

 
(487
)
Amounts reclassified from accumulated other comprehensive income
—

 
—

 
—

Net current-period other comprehensive loss
(487
)
 
—

 
(487
)
Ending balance
$
388

 
$
(69
)
 
$
319

Nine Months Ended
September 30, 2019 (in thousands)
Unrealized Gains and Losses
On Available-for-Sale
Securities
 
Postretirement
Benefits Plans
 
 
Total
Beginning balance at January 1
$
981

 
$
(32
)
 
$
949

Other comprehensive income before reclassifications
2,246

 
—

 
2,246

Amounts reclassified from accumulated other comprehensive income
—

 
—

 
—

Net current-period other comprehensive income
2,246

 
—

 
2,246

Ending balance
$
3,227

 
$
(32
)
 
$
3,195

Nine Months Ended
September 30, 2018 (in thousands)
Unrealized Gains and Losses
On Available-for-Sale
Securities
 
Postretirement
Benefits Plans
 
 
Total
Beginning balance at January 1
$
16,003

 
$
(58
)
 
$
15,945

Cumulative effect adjustment for adoption of new accounting standards
(13,616
)
 
(11
)
 
(13,627
)
Other comprehensive loss before reclassifications
(1,999
)
 
—

 
(1,999
)
Amounts reclassified from accumulated other comprehensive income
—

 
—

 
—

Net current-period other comprehensive loss
(1,999
)
 
—

 
(1,999
)
Ending balance
$
388

 
$
(69
)
 
$
319