Quarterly report pursuant to Section 13 or 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 3 Months Ended
Aug. 16, 2013
Mar. 31, 2015
Dec. 31, 2014
Jul. 17, 2013
Debt Instrument [Line Items]        
Total debt on condensed consolidated balance sheet   1,707,499us-gaap_LongTermDebt $ 1,649,708us-gaap_LongTermDebt  
Current portion of long-term debt   (9,166)us-gaap_LongTermDebtCurrent (9,166)us-gaap_LongTermDebtCurrent  
Long-term debt   1,698,333us-gaap_LongTermDebtNoncurrent 1,640,542us-gaap_LongTermDebtNoncurrent  
Senior Notes | Senior Notes 9.125 Percent Due 2020        
Debt Instrument [Line Items]        
Total debt on condensed 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]        
Total debt on condensed consolidated balance sheet   100,000us-gaap_LongTermDebt
/ us-gaap_DebtInstrumentAxis
= mtii_PromissoryNoteDueOctober2020Member
/ us-gaap_LongtermDebtTypeAxis
= mtii_PromissoryNoteMember
100,000us-gaap_LongTermDebt
/ us-gaap_DebtInstrumentAxis
= mtii_PromissoryNoteDueOctober2020Member
/ us-gaap_LongtermDebtTypeAxis
= mtii_PromissoryNoteMember
 
Debt interest rate 9.868%us-gaap_DebtInstrumentInterestRateStatedPercentage
/ us-gaap_DebtInstrumentAxis
= mtii_PromissoryNoteDueOctober2020Member
/ us-gaap_LongtermDebtTypeAxis
= mtii_PromissoryNoteMember
9.868%us-gaap_DebtInstrumentInterestRateStatedPercentage
/ us-gaap_DebtInstrumentAxis
= mtii_PromissoryNoteDueOctober2020Member
/ us-gaap_LongtermDebtTypeAxis
= mtii_PromissoryNoteMember
   
Term Loan | Term Loan Due March, 2018        
Debt Instrument [Line Items]        
Total debt on condensed consolidated balance sheet   892,199us-gaap_LongTermDebt
/ us-gaap_DebtInstrumentAxis
= mtii_TermLoanDueMarch2018Member
/ us-gaap_LongtermDebtTypeAxis
= mtii_TermLoanMember
894,208us-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 condensed consolidated balance sheet   130,300us-gaap_LongTermDebt
/ us-gaap_DebtInstrumentAxis
= mtii_RevolvingCreditFacilityDue2017Member
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_RevolvingCreditFacilityMember
$ 70,500us-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