Annual report pursuant to Section 13 and 15(d)

Discontinued Operations Discontinued Operations, Related Party Transactions (Details)

v2.4.1.9
Discontinued Operations Discontinued Operations, Related Party Transactions (Details) (USD $)
In Thousands, unless otherwise specified
12 Months Ended
Dec. 31, 2014
Dec. 31, 2013
Dec. 31, 2012
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]      
Discontinued Operation, Future Gain (Loss) on Disposal of Discontinued Operation, Net of Tax     $ 4,000two_DiscontinuedOperationFutureGainLossOnDisposalOfDiscontinuedOperationNetOfTax
Reduction of Future Management Fees     4,300two_ReductionOfFutureManagementFees
Discontinued Operation, Amount of Adjustment to Prior Period Gain (Loss) on Disposal, Net of Tax 0us-gaap_DiscontinuedOperationAmountOfAdjustmentToPriorPeriodGainLossOnDisposalNetOfTax 3,861us-gaap_DiscontinuedOperationAmountOfAdjustmentToPriorPeriodGainLossOnDisposalNetOfTax  
Reduction of Mangement Fees   4,300two_ReductionOfMangementFees  
Disposal Group, Including Discontinued Operation, Operating Expense $ 0us-gaap_DisposalGroupIncludingDiscontinuedOperationOperatingExpense $ 138us-gaap_DisposalGroupIncludingDiscontinuedOperationOperatingExpense $ (2,571)us-gaap_DisposalGroupIncludingDiscontinuedOperationOperatingExpense