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Troubled Debt Restructurings (Narrative) (Details) (USD $)
In Millions, unless otherwise specified
 3 Months Ended
Mar. 31, 2015
loan
Dec. 31, 2014
Troubled Debt Restructurings [Abstract]    
Total TDRs $ 9.8cik0001163389_TotalTroubledDebtRestructuringModifications $ 10.0cik0001163389_TotalTroubledDebtRestructuringModifications
Modified loans 1cik0001163389_TroubledDebtRestructuringModificationsNumberOfContracts  
Period loan is considered to be in default, days 90 days