Organization and Summary of Significant Accounting Policies (Narrative) (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2013 segments	Dec. 31, 2012 segments	Dec. 31, 2011 segments	Oct. 31, 2012
Accounting Policies [Abstract]
Number of segments	1	1,000	1,000
Interest costs capitalized	$ 1,369	$ 1,540	$ 1,213
Revolving credit facility borrowing capacity				$ 500,000