XML 39 R44.htm IDEA: XBRL DOCUMENT v2.4.1.9
Debt (Details) (USD $)
In Thousands, unless otherwise specified
Mar. 31, 2015
Dec. 31, 2014
Long-term Debt $ 1,665,612us-gaap_LongTermDebt $ 1,668,667us-gaap_LongTermDebt
Less current portion 72,314us-gaap_LongTermDebtCurrent 12,314us-gaap_LongTermDebtCurrent
Long-term portion 1,593,298us-gaap_LongTermDebtNoncurrent 1,656,353us-gaap_LongTermDebtNoncurrent
Notes 8.125 Percent Due 2018 [Member]    
Long-term Debt 300,000us-gaap_LongTermDebt
/ us-gaap_LongtermDebtTypeAxis
= osgiq_EightPointOneTwoFiveNotesDueTwentyEighteenMember		 300,000us-gaap_LongTermDebt
/ us-gaap_LongtermDebtTypeAxis
= osgiq_EightPointOneTwoFiveNotesDueTwentyEighteenMember
OBS term loan [Member]    
Long-term Debt 597,070us-gaap_LongTermDebt
/ us-gaap_LongtermDebtTypeAxis
= osgiq_ObsTermLoanMember		 598,505us-gaap_LongTermDebt
/ us-gaap_LongtermDebtTypeAxis
= osgiq_ObsTermLoanMember
OIN term loan [Member]    
Long-term Debt 622,642us-gaap_LongTermDebt
/ us-gaap_LongtermDebtTypeAxis
= osgiq_OinTermLoanMember		 624,162us-gaap_LongTermDebt
/ us-gaap_LongtermDebtTypeAxis
= osgiq_OinTermLoanMember
Election 1 Notes 7.50 Percent Due 2021 [Member]    
Long-term Debt 6,508us-gaap_LongTermDebt
/ us-gaap_LongtermDebtTypeAxis
= osgiq_Election1Notes750PercentDue2021Member		 6,508us-gaap_LongTermDebt
/ us-gaap_LongtermDebtTypeAxis
= osgiq_Election1Notes750PercentDue2021Member
Election 2 Notes 7.50 Percent Due 2021 [Member]    
Long-term Debt 138,708us-gaap_LongTermDebt
/ us-gaap_LongtermDebtTypeAxis
= osgiq_Election2Notes750PercentDue2021Member		 138,708us-gaap_LongTermDebt
/ us-gaap_LongtermDebtTypeAxis
= osgiq_Election2Notes750PercentDue2021Member
Notes 7.50 Percent Due 2024 [Member]    
Long-term Debt $ 684us-gaap_LongTermDebt
/ us-gaap_LongtermDebtTypeAxis
= osgiq_Notes750PercentDue2024Member		 $ 784us-gaap_LongTermDebt
/ us-gaap_LongtermDebtTypeAxis
= osgiq_Notes750PercentDue2024Member