Supplemental Disclosure of Statement of Cash Flow Information Noncash Acquisitions (Details) (USD $) In Thousands, unless otherwise specified	1 Months Ended	12 Months Ended
Oct. 31, 2011 Pemlex LLC [Member]	Dec. 31, 2009 Property Owner Subsidiary [Member]
Noncash or Part Noncash Acquisitions [Line Items]
Land and building assets	$ 9,006	$ 2,500
Lease intangible assets	6,294
Other assets, net	107
Noncontrolling interest	$ 574

The amount of fixed assets that an Entity acquires in a noncash (or part noncash) acquisition. Noncash is defined as information about all investing and financing activities of an enterprise during a period that affect recognized assets or liabilities but that do not result in cash receipts or cash payments in the period. "Part noncash" refers to that portion of the transaction not resulting in cash receipts or cash payments in the period.

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The amount of intangibles that an Entity acquires in a noncash (or part noncash) acquisition. Noncash is defined as information about all investing and financing activities of an enterprise during a period that affect recognized assets or liabilities but that do not result in cash receipts or cash payments in the period. "Part noncash" refers to that portion of the transaction not resulting in cash receipts or cash payments in the period.

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- Definition

The amount of assets that an Entity acquires in a noncash (or part noncash) acquisition that are not presented as a separate disclosure or not otherwise listed in the existing taxonomy. Noncash is defined as information about all investing and financing activities of an enterprise during a period that affect recognized assets or liabilities but that do not result in cash receipts or cash payments in the period.

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