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OTHER INCOME AND EXPENSE
 12 Months Ended
Dec. 31, 2019
OTHER INCOME AND EXPENSE [Abstract]  
Other Income and Other Expense Disclosure OTHER INCOME AND EXPENSE
 
The following table presents the components of IDACORP’s other income (expense), net and Idaho Power's other income (expense), net (in thousands of dollars):
IDACORP
 
2019
 
2018
 
2017
Interest and dividend income, net
 
$
8,181

 
$
5,605

 
$
3,872

Carrying charges on regulatory assets
 
5,494

 
4,075

 
2,310

Pension and postretirement non-service costs(1)
 
(10,976
)
 
(15,781
)
 
(11,194
)
Income from life insurance investments
 
4,104

 
2,779

 
2,090

Other (expense) income
 
(301
)
 
455

 
813

Total other income (expense), net
 
$
6,502

 
$
(2,867
)
 
$
(2,109
)
 
 
 
 
 
 
 
Idaho Power
 
 
 
 
 
 
Interest and dividend income, net
 
$
5,898

 
$
4,688

 
$
3,787

Carrying charges on regulatory assets
 
5,494

 
4,075

 
2,310

Pension and postretirement non-service costs(1)
 
(10,976
)
 
(15,781
)
 
(11,194
)
Income from life insurance investments
 
4,104

 
2,779

 
2,090

Other expense
 
(2,254
)
 
(1,612
)
 
(1,749
)
Total other income (expense), net
 
$
2,266

 
$
(5,851
)
 
$
(4,756
)
 
 
 
 
 
 
 

(1) The 2018 pension and postretirement non-service costs includes $4.2 million of expense for a temporary deviation from the cost-sharing provisions of the substantive postretirement plan as described in Note 12 - "Benefit Plans."