Sirius XM Holdings Inc. Quarterly report pursuant to Section 13 or 15(d)

Stock-based Compensation Plans and Awards - Schedule of stock-based compensation expenses related to all employee and non-employee stock-based awards (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2015	Sep. 30, 2014
Stock-based compensation expenses:
Total stock-based compensation expense	$ 28,794	$ 22,111	$ 79,473	$ 60,116
Cost of revenue - Other
Stock-based compensation expenses:
Total stock-based compensation expense	1,427	1,063	4,040	2,976
Product development
Stock-based compensation expenses:
Total stock-based compensation expense	6,189	4,402	16,148	12,289
Sales and marketing
Stock-based compensation expenses:
Total stock-based compensation expense	13,732	10,442	38,403	28,675
General and administrative
Stock-based compensation expenses:
Total stock-based compensation expense	$ 7,446	$ 6,204	$ 20,882	$ 16,176