SCHEDULE I CONDENSED FINANCIAL INFORMATION OF REGISTRANT (Background and Basis of Presentation) (Details) (Parent, USD $)
In Thousands, unless otherwise specified |
12 Months Ended | ||
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Dec. 31, 2012
|
Dec. 31, 2011
|
Dec. 31, 2010
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|
Parent
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Condensed Financial Statements, Captions [Line Items] | |||
Proceeds from Equity Method Investment, Dividends or Distributions, Return of Capital | $ 25,000 | $ 22,950 | $ 23,000 |