Annual report pursuant to Section 13 and 15(d)

Rollforward of Mortgage Servicing Rights, at Fair Value (Details)

v2.4.1.9
Rollforward of Mortgage Servicing Rights, at Fair Value (Details) (USD $)
In Thousands, unless otherwise specified
12 Months Ended
Dec. 31, 2014
Dec. 31, 2013
Dec. 31, 2012
Servicing Assets at Fair Value [Line Items]      
Mortgage servicing rights, beginning balance $ 514,402us-gaap_ServicingAssetAtFairValueAmount $ 0us-gaap_ServicingAssetAtFairValueAmount  
Servicing Asset at Fair Value, Additions 67,533us-gaap_ServicingAssetAtFairValueAdditions 500,521us-gaap_ServicingAssetAtFairValueAdditions  
Servicing Asset at Fair Value, Additions from Sale of Mortgage Loans 288two_ServicingAssetatFairValueAdditionsfromSaleofMortgageLoans 0two_ServicingAssetatFairValueAdditionsfromSaleofMortgageLoans 0two_ServicingAssetatFairValueAdditionsfromSaleofMortgageLoans
Servicing Asset at Fair Value, Changes in Fair Value Resulting from Changes in Valuation Inputs or Changes in Assumptions (73,573)us-gaap_ServicingAssetAtFairValueChangesInFairValueResultingFromChangesInValuationInputsOrChangesInAssumptions 20,651us-gaap_ServicingAssetAtFairValueChangesInFairValueResultingFromChangesInValuationInputsOrChangesInAssumptions  
Servicing Asset at Fair Value, Other Changes in Fair Value (54,815)us-gaap_ServicingAssetAtFairValueOtherChangesInFairValue (6,770)us-gaap_ServicingAssetAtFairValueOtherChangesInFairValue  
Servicing Asset at Fair Value, Other Changes that Affect Balance (1,829)us-gaap_ServicingAssetAtFairValueOtherChangesThatAffectBalance 0us-gaap_ServicingAssetAtFairValueOtherChangesThatAffectBalance  
Mortgage servicing rights, ending balance $ 452,006us-gaap_ServicingAssetAtFairValueAmount $ 514,402us-gaap_ServicingAssetAtFairValueAmount $ 0us-gaap_ServicingAssetAtFairValueAmount