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Other comprehensive income (loss)
 6 Months Ended
Jun. 30, 2016
Equity [Abstract]  
Other comprehensive income (loss)
Other comprehensive income (loss). Changes in the balances of each component of other comprehensive income (loss) and the related tax effects are as follows:

 
For the Three Months Ended 
 June 30, 2016
 
For the Three Months Ended 
 June 30, 2015
 
Before-Tax Amount
Tax Expense (Benefit)
Net-of-Tax Amount
 
Before-Tax Amount
Tax Expense (Benefit)
Net-of-Tax Amount
 
($000 omitted)
 
($000 omitted)
Unrealized investment gains on investments - net:
 
 
 
 
 
 
 
Change in net unrealized gains on investments
9,511

3,329

6,182

 
(10,308
)
(3,608
)
(6,700
)
Less: reclassification adjustment for net gains included in net income
(178
)
(63
)
(115
)
 
(201
)
(70
)
(131
)
  Net unrealized gains
9,333

3,266

6,067

 
(10,509
)
(3,678
)
(6,831
)
 
 
 
 
 
 
 
 
Foreign currency translation adjustments
(1,413
)
290

(1,703
)
 
2,514

271

2,243

 
 
 
 
 
 
 
 
Other comprehensive income (loss)
7,920

3,556

4,364

 
(7,995
)
(3,407
)
(4,588
)
 
 
 
 
 
 
 
 
 
For the Six Months Ended 
 June 30, 2016
 
For the Six Months Ended 
 June 30, 2015
 
Before-Tax Amount
Tax Expense (Benefit)
Net-of-Tax Amount
 
Before-Tax Amount
Tax Expense (Benefit)
Net-of-Tax Amount
 
($000 omitted)
 
($000 omitted)
Unrealized investment gains on investments - net:
 
 
 
 
 
 
 
Change in net unrealized gains on investments
18,417

6,446

11,971

 
(6,063
)
(2,122
)
(3,941
)
Less: reclassification adjustment for net gains included in net income
(276
)
(97
)
(179
)
 
(1,203
)
(421
)
(782
)
  Net unrealized gains
18,141

6,349

11,792

 
(7,266
)
(2,543
)
(4,723
)
 
 
 
 
 
 
 
 
Foreign currency translation adjustments
3,944

2,352

1,592

 
(6,428
)
(2,172
)
(4,256
)
 
 
 
 
 
 
 
 
Other comprehensive income (loss)
22,085

8,701

13,384

 
(13,694
)
(4,715
)
(8,979
)