Summary of Significant Accounting Policies (Schedule of other accrued liabilities) (Details) - USD ($) $ in Thousands	Dec. 31, 2015	Dec. 31, 2014
Other Liabilities Disclosure [Abstract]
Accounts payable	$ 19,639	$ 10,856
Accrued promotional expenses	24,816	20,191
Accrued excise and payroll taxes payable, net	26,556	23,172
Accrued interest	28,147	28,321
Commissions payable	11,008	9,523
Accrued salaries and benefits	20,134	16,009
Other current liabilities	23,917	18,683
Total other current liabilities	$ 154,217	$ 126,755