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Other comprehensive (loss) income
 3 Months Ended
Mar. 31, 2020
Equity [Abstract]  
Other comprehensive (loss) income
Other comprehensive (loss) income. Changes in the balances of each component of other comprehensive (loss) income and the related tax effects are as follows:
 
Three Months Ended 
 March 31, 2020
 
Three Months Ended 
 March 31, 2019
 
Before-Tax Amount
Tax Expense (Benefit)
Net-of-Tax Amount
 
Before-Tax Amount
Tax Expense (Benefit)
Net-of-Tax Amount
 
($000 omitted)
Net unrealized gains and losses on investments:
 
 
 
 
 
 
 
Change in net unrealized gains and losses on investments
(3,267
)
(687
)
(2,580
)
 
11,406

2,395

9,011

Reclassification adjustment for realized gains and losses on investments
(101
)
(21
)
(80
)
 
205

43

162

 
(3,368
)
(708
)
(2,660
)
 
11,611

2,438

9,173

Foreign currency translation adjustments
(13,659
)
(2,217
)
(11,442
)
 
5,548

960

4,588

Other comprehensive (loss) income
(17,027
)
(2,925
)
(14,102
)
 
17,159

3,398

13,761