Debt and Capital Lease Obligations (Liberty Puerto Rico Bank Facility) (Details) (USD $)	0 Months Ended
	Jul. 07, 2014
Debt Instrument [Line Items]
Write off of deferred debt issuance cost	$ 10,400,000
Write-off of unamortized debt discounts	(900,000)
Liberty Puerto Rico [Member] | New LPR Term Loan B [Member]
Debt Instrument [Line Items]
Principal amount of debt	530,000,000
Original issue discount	99.50%
LIBOR interest rate floor	1.00%
Liberty Puerto Rico [Member] | New LPR Term Loan B [Member] | London Interbank Offered Rate (LIBOR) [Member]
Debt Instrument [Line Items]
Basis spread on variable rate	3.50%
Liberty Puerto Rico [Member] | New LPR Term Loan C [Member]
Debt Instrument [Line Items]
Principal amount of debt	145,000,000
Liberty Puerto Rico [Member] | New LPR Term Loan C [Member] | London Interbank Offered Rate (LIBOR) [Member]
Debt Instrument [Line Items]
Basis spread on variable rate	6.75%
Liberty Puerto Rico [Member] | New LPR Revolving Loan [Member]
Debt Instrument [Line Items]
Line of credit borrowing capacity	40,000,000
Liberty Puerto Rico [Member] | New LPR Revolving Loan [Member] | London Interbank Offered Rate (LIBOR) [Member]
Debt Instrument [Line Items]
Basis spread on variable rate	3.50%
Liberty Puerto Rico [Member] | Liberty Puerto Rico Bank Facility [Member] | London Interbank Offered Rate (LIBOR) [Member]
Debt Instrument [Line Items]
Gains (Losses) on Extinguishment of Debt	$ (9,500,000)
Maximum [Member] | Liberty Puerto Rico [Member] | New LPR Revolving Loan [Member] | London Interbank Offered Rate (LIBOR) [Member]
Debt Instrument [Line Items]
Fee on unused portion of credit facility	0.50%
Minimum [Member] | Liberty Puerto Rico [Member] | New LPR Revolving Loan [Member] | London Interbank Offered Rate (LIBOR) [Member]
Debt Instrument [Line Items]
Fee on unused portion of credit facility	0.375%