Commitments and Contingencies - Additional Information (Details)	1 Months Ended		12 Months Ended
	Dec. 31, 2016 USD ($) consumer	Aug. 31, 2013 USD ($)	Dec. 31, 2016 USD ($) satellite	Dec. 31, 2015 USD ($)	Dec. 31, 2014 USD ($)
Loss Contingencies [Line Items]
Number of replacement satellites | satellite			2
Operating leases, rent expense			$ 46,968,000	$ 47,679,000	$ 45,107,000
Sound Exchange, Inc
Loss Contingencies [Line Items]
Loss contingency liability	$ 0		$ 0
Telephone Consumer Protection Act Suits | Settled Litigation
Loss Contingencies [Line Items]
Number of consumers opted out of class action lawsuit | consumer	200
Percent of notified consumers opted out of class action lawsuit			0.002%
Settlement payment	$ 35,000,000
Settlement, optional period of free service	3 months
Minimum
Loss Contingencies [Line Items]
Operating lease obligations, term			1 year
Minimum | Sound Exchange, Inc | Pending Litigation
Loss Contingencies [Line Items]
Compensatory damages sought		$ 50,000,000
Estimate of possible loss	$ 0		$ 0
Maximum
Loss Contingencies [Line Items]
Operating lease obligations, term			15 years
Maximum | Sound Exchange, Inc | Pending Litigation
Loss Contingencies [Line Items]
Compensatory damages sought		$ 100,000,000
Estimate of possible loss	70,000,000		$ 70,000,000
XM-5, FM-5, FM-6, XM-3, and XM-4
Loss Contingencies [Line Items]
Operating performance over design life			15 years
XM-4
Loss Contingencies [Line Items]
Period beyond expected operating performance of design life for XM-4			5 years
XM-4 | Maximum
Loss Contingencies [Line Items]
Additional payments required if XM-4 continues to operate above baseline specifications	$ 10,000,000		$ 10,000,000