Organization and Summary of Significant Accounting Policies Income tax disclosure (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2014	Mar. 31, 2013
Income Tax Contingency [Line Items]
effective tax rate before discrete items	39.10%	37.40%
Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate	35.00%
Income Tax Expense (Benefit)	$ 3,504	$ 561