XML 51 R34.htm IDEA: XBRL DOCUMENT v3.8.0.1
Investment income and other gains and losses (Tables)
 12 Months Ended
Dec. 31, 2017
Investments, Debt and Equity Securities [Abstract]  
Gross realized investment and other gains and losses
Income from investments and gross realized investment and other gains and losses are detailed below:
 
2017
 
2016
 
2015
 
($000 omitted)
Investment income:
 
 
 
 
 
Debt securities
17,222

 
16,476

 
15,181

Short-term investments, cash equivalents and other
1,710

 
2,449

 
1,669

 
18,932

 
18,925

 
16,850

Realized investment and other gains (losses) – net:
 
 
 
 
 
Realized gains
4,997

 
9,882

 
5,948

Realized losses
(2,790
)
 
(10,548
)
 
(7,317
)
 
2,207

 
(666
)
 
(1,369
)