Summary of Significant Accounting Policies (Other Current Liabilities) (Details) - USD ($) $ in Thousands	Jun. 30, 2016	Dec. 31, 2015
Accounting Policies [Abstract]
Accounts payable	$ 10,265	$ 19,639
Accrued promotional expenses	22,269	24,816
Accrued excise and payroll taxes payable, net	16,784	26,556
Accrued interest	35,028	28,147
Commissions payable	9,885	11,008
Accrued salary and benefits	18,179	22,774
Other current liabilities	27,978	21,277
Total other current liabilities	$ 140,388	$ 154,217