Related Party Transactions (Preferred Investment) (Details) (USD $)	3 Months Ended
Mar. 31, 2015	Dec. 31, 2014	Mar. 07, 2014
Related Party Transactions [Abstract]
Preferred equity distributions, amount declared			$ 35,000,000
Preferred equity distributions, additional available funds			10,000,000
Annual distribution rate			12.00%cik1296884_AnnualizedDistributionRate
Investment in affiliate	43,750,000	36,637,000
Dividend income	$ 1,200,000cik1296884_PreferredStockDividendIncome

Value of the investment at close of period. For investment in and advances to affiliates, if operations of any controlled companies are different in character from those of the company, group such affiliates within divisions and by type of activities.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 14

-Paragraph Column E

-Article 12

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 946

-SubTopic 320

-Section S99

-Paragraph 6

-URI http://asc.fasb.org/extlink&oid=34726532&loc=d3e611322-123010

Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 14

-Paragraph 2

-Article 12

Reference 4: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 14

-Paragraph 3

-Article 12

Name:	us-gaap_InvestmentsInAndAdvancesToAffiliatesAtFairValue
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant