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Estimated title losses (Tables)
 6 Months Ended
Jun. 30, 2017
Insurance [Abstract]  
Summary of estimated title losses
A summary of estimated title losses for the six months ended June 30 is as follows:
 
2017
 
2016
 
($000 omitted)
Balances at January 1
462,572

 
462,622

Provisions:
 
 
 
Current year
43,850

 
47,146

Previous policy years
1,313

 
(6,899
)
Total provisions
45,163

 
40,247

Payments, net of recoveries:
 
 
 
Current year
(5,966
)
 
(9,047
)
Previous policy years
(39,664
)
 
(34,352
)
Total payments, net of recoveries
(45,630
)
 
(43,399
)
Effects of changes in foreign currency exchange rates
3,189

 
3,768

Balances at June 30
465,294

 
463,238

Loss ratios as a percentage of title operating revenues:
 
 
 
Current year provisions
4.9
%
 
5.4
%
Total provisions
5.1
%
 
4.6
%