Organization and Summary of Significant Accounting Policies Property and Equipment (Details)	12 Months Ended
	Dec. 31, 2015
Computer equipment and network hardware
Property, Plant and Equipment [Line Items]
Estimated useful life	3 years
Furniture, fixtures and office equipment | Minimum
Property, Plant and Equipment [Line Items]
Estimated useful life	5 years
Furniture, fixtures and office equipment | Maximum
Property, Plant and Equipment [Line Items]
Estimated useful life	7 years
Internal Use Software Development Costs
Property, Plant and Equipment [Line Items]
Estimated useful life	3 years