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Company's Financing Receivables by Classification (Parenthetical) (Detail) (USD $)
In Thousands, unless otherwise specified |
Sep. 30, 2012
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Dec. 31, 2011
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|---|---|---|
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Agent receivables, net
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| Financing Receivable, Recorded Investment [Line Items] | ||
| Allowance for potential future losses | $ 2,209 | $ 2,226 |
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Mortgage loans, net
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| Financing Receivable, Recorded Investment [Line Items] | ||
| Allowance for potential future losses | $ 2,442 | $ 2,849 |