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Notes Payable (Details) (USD $)
In Thousands, unless otherwise specified |
9 Months Ended | 0 Months Ended | |
|---|---|---|---|
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Sep. 30, 2013
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Sep. 30, 2012
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Mar. 15, 2013
Unsecured Debt [Member]
5.125% unsecured notes [Member]
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| Debt Instrument [Line Items] | |||
| Repayments of Unsecured Debt | $ 60,000 | $ 50,000 | $ 60,000 |
| Interest rate, stated percentage | 5.125% | ||
| X | ||||||||||
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- Definition
Contractual interest rate for funds borrowed, under the debt agreement. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Details
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| X | ||||||||||
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- Definition
The cash outflow to repay long-term debt that is not secured by collateral. Excludes repayments of tax exempt unsecured debt. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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