Summary of Significant Accounting Policies (Other Current Liabilities) (Details) - USD ($) $ in Thousands	Dec. 31, 2016	Dec. 31, 2015
Accounting Policies [Abstract]
Accounts payable	$ 10,573	$ 19,639
Accrued promotional expenses	23,763	24,816
Accrued excise and payroll taxes payable, net	10,044	26,556
Accrued interest	35,449	28,147
Commissions payable	6,164	11,008
Accrued salaries and benefits	26,958	22,774
Other current liabilities	22,901	21,277
Total other current liabilities	$ 135,852	$ 154,217