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Schedule - Mortgage Loans on Real Estate (Parenthetical) (Detail) (USD $)
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12 Months Ended | ||
|---|---|---|---|
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Dec. 31, 2013
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Dec. 31, 2012
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Dec. 31, 2011
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| Mortgage Loans On Real Estate [Abstract] | |||
| Non cash new mortgage loans | $ 975,000 | $ 1,225,000 | $ 1,172,000 |