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Organization and Summary of Significant Accounting Policies Fair Value Measurements (Details) (Other Liabilities [Member], USD $) In Thousands, unless otherwise specified	Dec. 31, 2012	Dec. 31, 2011
Other Liabilities [Member]
Derivatives, Fair Value [Line Items]
Unrealized Losses on Interest Rate Swaps	$ (3,404)	$ (420)

Fair value of derivative liability, presented on a gross basis even when the derivative instrument is subject to master netting arrangements and qualifies for net presentation in the statement of financial position.

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