v2.4.0.8

Summary of Significant Accounting Policies (Real Estate and Identifiable Intangible Assets) (Details)	9 Months Ended
	Sep. 30, 2013
Minimum
Finite-Lived Intangible Assets [Line Items]
Useful lives	9 years
Maximum
Finite-Lived Intangible Assets [Line Items]
Useful lives	40 years

X

- Details

Name:	us-gaap_FiniteLivedIntangibleAssetsLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Useful life of finite-lived intangible assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

No definition available.

+ Details

Name:	us-gaap_FiniteLivedIntangibleAssetUsefulLife
Namespace Prefix:	us-gaap_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration