Subsequent Events (Details Textual) (Subsequent Event [Member], USD $) In Millions, unless otherwise specified	6 Months Ended
Jun. 30, 2013
Subsequent Event [Member]
Subsequent Event [Line Items]
Sale Of Property	$ 11.3
Proceeds From Sale Of Property Net Of Debt Repayment	3.4
Gain (Loss) on Sale of Properties	$ 1.7

The difference between the carrying value and the sale price of real estate or properties that were intended to be sold or held for capital appreciation or rental income. This element refers to the gain (loss) included in earnings and not to the cash proceeds of the sale. This element is a noncash adjustment to net income when calculating net cash generated by operating activities using the indirect method.

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 230

-SubTopic 10

-Section 45

-Paragraph 28

-URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3602-108585

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