Summary of Significant Accounting Policies (Narrative) (Details) - Jun. 30, 2014 - USD ($) $ in Millions	Total	Total
Income (loss) from unconsolidated joint venture
Reclassifications [Line Items]
Reclassification adjustment related to difference in amortization basis of unconsolidated joint venture	$ 3.2	$ 6.5

The amount of a reclassification adjustment made to prior period financial statement amounts.

No definition available.

Name:	us-gaap_PriorPeriodReclassificationAdjustment
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration