Organization and Summary of Significant Accounting Policies (Intangible Assets) (Details) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2014	Dec. 31, 2013
Accounting Policies [Line Items]
Intangible assets, net of accumulated amortization	$ 24,223	$ 32,194
Client Relationships [Member]
Accounting Policies [Line Items]
Finite-Lived Intangible Assets, Gross	63,168	63,168
Finite-Lived Intangible Assets, Accumulated Amortization	39,256	31,584
Noncompete Agreements [Member]
Accounting Policies [Line Items]
Finite-Lived Intangible Assets, Gross	1,355	1,355
Finite-Lived Intangible Assets, Accumulated Amortization	$ 1,044	$ 745