Contractual interest rate for funds borrowed, under the debt agreement.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.22(a)(1))
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

+ Details

Name:	us-gaap_DebtInstrumentInterestRateStatedPercentage
Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

+ Details

Name:	us-gaap_FairValueEstimateNotPracticableFinancialStatementCaptionsLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

Carrying amount of long-term debt, net of unamortized discount or premium, including current and noncurrent amounts. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-03.16)
-URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.22)
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 944
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.7-03.16)
-URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910

Reference 4: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Regulation S-X (SX)
-Number 210
-Section 02
-Paragraph 20, 22
-Article 5

+ Details

Name:	us-gaap_LongTermDebt
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

The fair value amount of long-term debt whether such amount is presented as a separate caption or as a parenthetical disclosure. Additionally, this element may be used in connection with the fair value disclosures required in the footnote disclosures to the financial statements. The element may be used in both the balance sheet and disclosure in the same submission.

+ References

No definition available.

+ Details

Name:	us-gaap_LongTermDebtFairValue
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Details

Name:	us-gaap_DebtInstrumentAxis=ck0001584423_SixPointThreeSevenFivePercentageSeniorNotesDueTwoThousandAndNineteenMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_DebtInstrumentAxis=ck0001584423_EightPointSevenFivePercentageSeniorNotesDueTwoThousandAndTwentyMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_LongtermDebtTypeAxis=us-gaap_SeniorNotesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_DebtInstrumentAxis=ck0001584423_A8.875PercentSeniorNotesDue2022Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_FairValueByFairValueHierarchyLevelAxis=us-gaap_FairValueInputsLevel2Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Fair Value Measurements - Components of Long-Term Debt Including Associated Interest Rates and Related Fair Values (Detail) - USD ($)	Mar. 31, 2016	Dec. 31, 2015	Oct. 31, 2015	Dec. 31, 2014	Dec. 31, 2013	May 31, 2013	Nov. 16, 2012
Fair Value, Estimate Not Practicable, Financial Statement Captions [Line Items]
Face Value	$ 2,156,217,000	$ 2,138,112,000		$ 1,835,068,000
6.375% Senior Secured Notes Due 2019 [Member]
Fair Value, Estimate Not Practicable, Financial Statement Captions [Line Items]
Stated Interest Rate	6.375%	6.375%		6.375%
8.75% Senior Notes Due 2020 [Member]
Fair Value, Estimate Not Practicable, Financial Statement Captions [Line Items]
Stated Interest Rate	8.875%	8.75%		8.75%
Senior Notes [Member] \| 6.375% Senior Secured Notes Due 2019 [Member]
Fair Value, Estimate Not Practicable, Financial Statement Captions [Line Items]
Stated Interest Rate	6.375%	6.375%					6.375%
Face Value	$ 906,110,000	$ 904,818,000		$ 899,684,000
Senior Notes [Member] \| 8.75% Senior Notes Due 2020 [Member]
Fair Value, Estimate Not Practicable, Financial Statement Captions [Line Items]
Stated Interest Rate	8.75%	8.75%		102.00%	101.50%	101.75%	8.75%
Face Value	$ 918,842,000	$ 918,168,000		$ 915,384,000
Senior Notes [Member] \| 8.875% Senior Secured Notes Due 2022 [Member]
Fair Value, Estimate Not Practicable, Financial Statement Captions [Line Items]
Stated Interest Rate	8.875%	8.875%	8.875%
Face Value	$ 295,265,000	$ 295,126,000
Significant Other Observable Inputs (Level 2) [Member]
Fair Value, Estimate Not Practicable, Financial Statement Captions [Line Items]
Face Value	2,155,000,000	2,155,000,000		1,855,000,000
Estimated Fair Value	2,036,659,000	1,932,990,000		1,673,888,000
Significant Other Observable Inputs (Level 2) [Member] \| Senior Notes [Member] \| 6.375% Senior Secured Notes Due 2019 [Member]
Fair Value, Estimate Not Practicable, Financial Statement Captions [Line Items]
Face Value	925,000,000	925,000,000		925,000,000
Estimated Fair Value	929,625,000	879,906,000		881,063,000
Significant Other Observable Inputs (Level 2) [Member] \| Senior Notes [Member] \| 8.75% Senior Notes Due 2020 [Member]
Fair Value, Estimate Not Practicable, Financial Statement Captions [Line Items]
Face Value	930,000,000	930,000,000		930,000,000
Estimated Fair Value	802,125,000	756,788,000		$ 792,825,000
Significant Other Observable Inputs (Level 2) [Member] \| Senior Notes [Member] \| 8.875% Senior Secured Notes Due 2022 [Member]
Fair Value, Estimate Not Practicable, Financial Statement Captions [Line Items]
Face Value	300,000,000	300,000,000
Estimated Fair Value	$ 304,909,000	$ 296,296,000