Annual report pursuant to Section 13 and 15(d)

Long-Term Debt - Schedule of Long Term Debt (Details)

v2.4.1.9
Long-Term Debt - Schedule of Long Term Debt (Details) (USD $)
In Thousands, unless otherwise specified
0 Months Ended 12 Months Ended
Mar. 25, 2013
Aug. 16, 2013
Dec. 31, 2014
Dec. 31, 2013
Jul. 17, 2013
Debt Instrument [Line Items]          
Total debt on consolidated balance sheet     1,649,708us-gaap_LongTermDebt $ 1,606,793us-gaap_LongTermDebt  
Less current portion of long-term debt     (9,166)us-gaap_LongTermDebtCurrent (9,166)us-gaap_LongTermDebtCurrent  
Long-term debt     1,640,542us-gaap_LongTermDebtNoncurrent 1,597,627us-gaap_LongTermDebtNoncurrent  
9.125% Senior Notes due April 1, 2020 | Senior Notes 9.125 Percent Due 2020          
Debt Instrument [Line Items]          
Total debt on consolidated balance sheet     585,000us-gaap_LongTermDebt
/ us-gaap_DebtInstrumentAxis
= mtii_SeniorNotes9.125PercentDue2020Member
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_SeniorNotesMember
585,000us-gaap_LongTermDebt
/ us-gaap_DebtInstrumentAxis
= mtii_SeniorNotes9.125PercentDue2020Member
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_SeniorNotesMember
 
Debt interest rate     9.125%us-gaap_DebtInstrumentInterestRateStatedPercentage
/ us-gaap_DebtInstrumentAxis
= mtii_SeniorNotes9.125PercentDue2020Member
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_SeniorNotesMember
  9.125%us-gaap_DebtInstrumentInterestRateStatedPercentage
/ us-gaap_DebtInstrumentAxis
= mtii_SeniorNotes9.125PercentDue2020Member
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_SeniorNotesMember
Promissory Note | 9.868% Promissory Note to Ascent Capital due October 1, 2020          
Debt Instrument [Line Items]          
Debt interest rate     9.868%us-gaap_DebtInstrumentInterestRateStatedPercentage
/ us-gaap_DebtInstrumentAxis
= mtii_PromissoryNoteDueOctober2020Member
/ us-gaap_LongtermDebtTypeAxis
= mtii_PromissoryNoteMember
   
Term Loan | LIBOR          
Debt Instrument [Line Items]          
Basis spread on variable debt 4.25%us-gaap_DebtInstrumentBasisSpreadOnVariableRate1
/ us-gaap_LongtermDebtTypeAxis
= mtii_TermLoanMember
/ us-gaap_VariableRateAxis
= us-gaap_LondonInterbankOfferedRateLIBORMember
       
Floor on variable debt 1.25%mtii_DebtInstrumentFloorOfVariableRateBasis
/ us-gaap_LongtermDebtTypeAxis
= mtii_TermLoanMember
/ us-gaap_VariableRateAxis
= us-gaap_LondonInterbankOfferedRateLIBORMember
       
Term Loan | Term Loan Due March, 2018          
Debt Instrument [Line Items]          
Total debt on consolidated balance sheet     894,208us-gaap_LongTermDebt
/ us-gaap_DebtInstrumentAxis
= mtii_TermLoanDueMarch2018Member
/ us-gaap_LongtermDebtTypeAxis
= mtii_TermLoanMember
902,293us-gaap_LongTermDebt
/ us-gaap_DebtInstrumentAxis
= mtii_TermLoanDueMarch2018Member
/ us-gaap_LongtermDebtTypeAxis
= mtii_TermLoanMember
 
Basis spread on variable debt   3.25%us-gaap_DebtInstrumentBasisSpreadOnVariableRate1
/ us-gaap_DebtInstrumentAxis
= mtii_TermLoanDueMarch2018Member
/ us-gaap_LongtermDebtTypeAxis
= mtii_TermLoanMember
     
Floor on variable debt   1.00%mtii_DebtInstrumentFloorOfVariableRateBasis
/ us-gaap_DebtInstrumentAxis
= mtii_TermLoanDueMarch2018Member
/ us-gaap_LongtermDebtTypeAxis
= mtii_TermLoanMember
     
Term Loan | Term Loan Due March, 2018 | LIBOR          
Debt Instrument [Line Items]          
Basis spread on variable debt     3.25%us-gaap_DebtInstrumentBasisSpreadOnVariableRate1
/ us-gaap_DebtInstrumentAxis
= mtii_TermLoanDueMarch2018Member
/ us-gaap_LongtermDebtTypeAxis
= mtii_TermLoanMember
/ us-gaap_VariableRateAxis
= us-gaap_LondonInterbankOfferedRateLIBORMember
   
Floor on variable debt     1.00%mtii_DebtInstrumentFloorOfVariableRateBasis
/ us-gaap_DebtInstrumentAxis
= mtii_TermLoanDueMarch2018Member
/ us-gaap_LongtermDebtTypeAxis
= mtii_TermLoanMember
/ us-gaap_VariableRateAxis
= us-gaap_LondonInterbankOfferedRateLIBORMember
   
Revolving Credit Facility | Revolving Credit Facility Due 2017          
Debt Instrument [Line Items]          
Total debt on consolidated balance sheet     70,500us-gaap_LongTermDebt
/ us-gaap_DebtInstrumentAxis
= mtii_RevolvingCreditFacilityDue2017Member
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_RevolvingCreditFacilityMember
19,500us-gaap_LongTermDebt
/ us-gaap_DebtInstrumentAxis
= mtii_RevolvingCreditFacilityDue2017Member
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_RevolvingCreditFacilityMember
 
Basis spread on variable debt   3.75%us-gaap_DebtInstrumentBasisSpreadOnVariableRate1
/ us-gaap_DebtInstrumentAxis
= mtii_RevolvingCreditFacilityDue2017Member
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_RevolvingCreditFacilityMember
     
Floor on variable debt   1.00%mtii_DebtInstrumentFloorOfVariableRateBasis
/ us-gaap_DebtInstrumentAxis
= mtii_RevolvingCreditFacilityDue2017Member
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_RevolvingCreditFacilityMember
     
Revolving Credit Facility | Revolving Credit Facility Due 2017 | LIBOR          
Debt Instrument [Line Items]          
Basis spread on variable debt     3.75%us-gaap_DebtInstrumentBasisSpreadOnVariableRate1
/ us-gaap_DebtInstrumentAxis
= mtii_RevolvingCreditFacilityDue2017Member
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_RevolvingCreditFacilityMember
/ us-gaap_VariableRateAxis
= us-gaap_LondonInterbankOfferedRateLIBORMember
   
Floor on variable debt     1.00%mtii_DebtInstrumentFloorOfVariableRateBasis
/ us-gaap_DebtInstrumentAxis
= mtii_RevolvingCreditFacilityDue2017Member
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_RevolvingCreditFacilityMember
/ us-gaap_VariableRateAxis
= us-gaap_LondonInterbankOfferedRateLIBORMember
   
Ascent Capital | Promissory Note | 9.868% Promissory Note to Ascent Capital due October 1, 2020          
Debt Instrument [Line Items]          
Total debt on consolidated balance sheet     100,000us-gaap_LongTermDebt
/ us-gaap_DebtInstrumentAxis
= mtii_PromissoryNoteDueOctober2020Member
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
/ us-gaap_LongtermDebtTypeAxis
= mtii_PromissoryNoteMember
$ 100,000us-gaap_LongTermDebt
/ us-gaap_DebtInstrumentAxis
= mtii_PromissoryNoteDueOctober2020Member
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
/ us-gaap_LongtermDebtTypeAxis
= mtii_PromissoryNoteMember
 
Debt interest rate   9.868%us-gaap_DebtInstrumentInterestRateStatedPercentage
/ us-gaap_DebtInstrumentAxis
= mtii_PromissoryNoteDueOctober2020Member
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
/ us-gaap_LongtermDebtTypeAxis
= mtii_PromissoryNoteMember