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Related Party Transactions (Narrative) (Details) (USD $)
 3 Months Ended
Mar. 31, 2015
Mar. 31, 2014
Related Party Transaction [Line Items]    
Distributions declared $ 4,479,000us-gaap_DividendsCash  
Cumulative distribution paid 2,576,000us-gaap_PaymentsOfDividendsMinorityInterest 710,000us-gaap_PaymentsOfDividendsMinorityInterest
SLP Units [Member]    
Related Party Transaction [Line Items]    
Distributions declared 500,000us-gaap_DividendsCash
/ us-gaap_StatementEquityComponentsAxis
= cik1296884_SlpUnitsMember		  
Cumulative distribution declared 15,500,000us-gaap_CumulativeDividends
/ us-gaap_StatementEquityComponentsAxis
= cik1296884_SlpUnitsMember		  
Cumulative distribution paid $ 15,000,000us-gaap_PaymentsOfDividendsMinorityInterest
/ us-gaap_StatementEquityComponentsAxis
= cik1296884_SlpUnitsMember