Financing Receivables (Tables)
 3 Months Ended
Mar. 31, 2013
Receivables [Abstract]  
Company's Financing Receivables by Classification
The table below identifies the Company’s financing receivables by classification amount at March 31, 2013 and December 31, 2012.
 
 
March 31
2013
 
December 31
2012
Receivables:
 
 
 
Agent receivables, net (allowance $2,259; 2012 - $2,261)
$
1,618

 
$
1,697

Investment-related financing receivables:
 
 
 
Mortgage loans, net (allowance $3,400; 2012 - $3,346)
675,106

 
674,034

Total financing receivables
$
676,724

 
$
675,731
Schedule of Activity of Allowance for Uncollectible Accounts on Agent Receivables
The following table details the activity of the allowance for uncollectible accounts on agent receivables at March 31, 2013 and December 31, 2012.
 
March 31
2013
 
December 31
2012
Beginning of year
$
2,261

 
$
2,226

Additions
33

 
229

Deductions
(35
)
 
(194
)
End of period
$
2,259

 
$
2,261
Mortgage Loan Portfolio as Collectively or Individually Evaluated for Impairment
The following table details the mortgage loan portfolio as collectively or individually evaluated for impairment at March 31, 2013 and December 31, 2012.
 
March 31
2013
 
December 31
2012
Mortgage loans collectively evaluated for impairment
$
618,548

 
$
622,381

Mortgage loans individually evaluated for impairment
59,958

 
54,999

Allowance for potential future losses
(3,400
)
 
(3,346
)
Carrying value
$
675,106

 
$
674,034
Schedule of Activity of the Allowance for Potential Future Losses on Mortgage Loans
The following table details the activity of the allowance for potential future losses on mortgage loans at March 31, 2013 and December 31, 2012.
 
March 31
2013
 
December 31
2012
Beginning of year
$
3,346

 
$
2,849

Provision
54

 
497

Deductions
—

 
—

End of period
$
3,400

 
$
3,346
Schedule for Delinquent Payments for Both Principal and Interest
The following table presents an aging schedule for delinquent payments for both principal and interest at March 31, 2013 and December 31, 2012, by property type.
 


 
Amount of Payments Past Due

Book Value
 
30-59 Days
 
60-89 Days
 
> 90 Days
 
Total
March 31, 2013
 
 
 
 
 
 
 
 
 
Industrial
$
—

 
$
—

 
$
—

 
$
—

 
$
—

Office
6,987

 
14

 
—

 
463

 
477

Medical
4,015

 
30

 
—

 
—

 
30

Other
—

 
—

 
—

 
—

 
—

Total
$
11,002

 
$
44

 
$
—

 
$
463

 
$
507

 
 
 
 
 
 
 
 
 
 
December 31, 2012
 
 
 
 
 
 
 
 
 
Industrial
$
—

 
$
—

 
$
—

 
$
—

 
$
—

Office
6,053

 
9

 
—

 
201

 
210

Medical
—

 
—

 
—

 
—

 
—

Other
—

 
—

 
—

 
—

 
—

Total
$
6,053

 
$
9

 
$
—

 
$
201

 
$
210