Description of Business and Summary of Significant Accounting Policies Advertising Costs (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2016	Mar. 31, 2015
Advertising Costs [Abstract]
Advertising Expense	$ 1,700	$ 663
Capitalized Direct Response Advertising Costs [Line Items]
Capitalized Direct Response Advertising costs (net of amortization)	$ 86
Document Period End Date	Mar. 31, 2016
Minimum [Member]
Capitalized Direct Response Advertising Costs [Line Items]
Capitalized Direct Response Advertising Costs, Amortization Period	12 months
Maximum [Member]
Capitalized Direct Response Advertising Costs [Line Items]
Capitalized Direct Response Advertising Costs, Amortization Period	24 months