Description of Business and Summary of Significant Accounting Policies (Advertising and Sales Commission) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Capitalized Direct Response Advertising Costs [Line Items]
Advertising Expense	$ 4,000	$ 1,700	$ 1,000
Deferred Sales Commission	564	398
Amortization of Deferred Sales Commissions	840	913
Capitalized Direct Response Advertising Costs (net of amortization)	2,900
Capitalized Direct Response Advertising Costs, net	$ 2,900	$ 0
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