Quarterly report pursuant to Section 13 or 15(d)

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

v2.4.1.9
Long-Term Debt - Schedule of Long Term Debt Maturity (Details) (USD $)
In Thousands, unless otherwise specified
Mar. 31, 2015
Dec. 31, 2014
Debt Disclosure [Abstract]    
Remainder of 2015 $ 6,875us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalRemainderOfFiscalYear  
2016 9,166us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo  
2017 139,466us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree  
2018 870,800us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour  
2019 0us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive  
2020 685,000mtii_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearSix  
Thereafter 0mtii_FiveYearScheduleOfMaturitiesOfParentCompanyRepaymentsOfPrincipalAfterYearSix  
Total principal payments 1,711,307us-gaap_DebtInstrumentCarryingAmount  
Unamortized discount on the Credit Facility term loans 3,808us-gaap_DebtInstrumentUnamortizedDiscountPremiumNet  
Total debt on condensed consolidated balance sheet $ 1,707,499us-gaap_LongTermDebt $ 1,649,708us-gaap_LongTermDebt