Organization and Summary of Significant Accounting Policies (Correction of Immaterial Errors) (Details) (USD $)	12 Months Ended						12 Months Ended				12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2013 Correction of Immaterial Errors	Dec. 31, 2012 Correction of Immaterial Errors	Dec. 31, 2009 Correction of Immaterial Errors	Dec. 31, 2012 Review of Realizability of Deferred Tax Assets	Dec. 31, 2010 Review of Realizability of Deferred Tax Assets	Dec. 31, 2009 Review of Realizability of Deferred Tax Assets	Dec. 31, 2011 Review of Realizability of Deferred Tax Assets	Dec. 31, 2012 Review of Realizability of Remaining Deferred Tax Assets
Book charges associated with deferred tax assets	$ 4,728,000	$ 3,735,000				$ 10,350,000
Decrease of the valuation allowance related to deferred tax assets					10,350,000
Gross deferred tax assets	14,188,000	15,654,000						3,104,000	3,104,000	3,104,000
Understatement of deferred income tax benefit								3,121,000	3,372,000
Understatement of net deferred tax assets								6,493,000		6,493,000
Income tax benefit	(800,000)	(637,000)	(796,000)				6,493,000				1,178,000
Payment for the termination of interest rate hedges	$ (3,141,000)	$ 0	$ (5,218,000)	$ 5,218,000