Accounts Receivable and Other Assets, net Held for Sale

No definition available.

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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Represents contract sale price of real estate properties disposed.

+ References

No definition available.

+ Details

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Balance Type:	credit
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- Details

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- Definition

Represents the amount of asset impairment losses for discontinued operations.

+ References

No definition available.

+ Details

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Balance Type:	debit
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- Definition

Represents the total amount of expenses incurred for discontinued operations.

+ References

No definition available.

+ Details

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Period Type:	duration

- Definition

Represents the amount of interest income or other expense incurred for discontinued operations.

+ References

No definition available.

+ Details

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- Definition

Represents the amount of property and asset management fees for discontinued operations.

+ References

No definition available.

+ Details

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- Definition

Represents the amount of real estate taxes for discontinued operations. Real estate tax is a tax based on the assessed value of real estate by the local government. The tax is usually based on the value of property (including the land).

+ References

No definition available.

+ Details

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- Definition

Accumulated amount of amortization of liabilities, excluding financial liabilities and goodwill, lacking physical substance with a finite life.

+ References

No definition available.

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- Definition

Investment Building and Building Improvements, Net

+ References

No definition available.

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- Details

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- Definition

Number of additional properties classified as held for sale

+ References

No definition available.

+ Details

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- Definition

Represents the number of properties held for sale at the end of the period.

+ References

No definition available.

+ Details

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- Definition

Number of Properties Sold (previously held for sale)

+ References

No definition available.

+ Details

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- Definition

Number of properties that remain held for sale

+ References

No definition available.

+ Details

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- Definition

Other liabilities, associated with real estate held for sale

+ References

No definition available.

+ Details

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Balance Type:	credit
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- Definition

For an unclassified balance sheet, a valuation allowance for receivables due a company that are expected to be uncollectible.

+ References

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

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- Definition

Amount classified as assets attributable to disposal group held for sale or disposed of.

+ References

+ Details

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Period Type:	instant

- Definition

Amount of expense from discontinued operations, that reflects the allocation of the cost of tangible and intangible assets over the assets' useful lives.

+ References

No definition available.

+ Details

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- Definition

After tax income (loss) from operations of a business component (exclusive of any gain (loss) on disposal, or provision therefore) during the reporting period, until its disposal.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

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-SubTopic 20

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- Definition

Amount of interest expense allocated to disposal group, including a discontinued operation.

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- Definition

Amount of operating expenses attributable to the disposal group, including a component of the entity (discontinued operation), during the reporting period.

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Balance Type:	debit
Period Type:	duration

- Definition

Amount of rental income attributable to the disposal group, including a component of the entity (discontinued operation).

+ References

No definition available.

+ Details

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- Definition

Accumulated amount of amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

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- Definition

Amount after amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

+ References

+ Details

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Data Type:	xbrli:monetaryItemType
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- Definition

Amount before accumulated deprecation and depletion of real estate held for productive use and additions or improvements to real estate held for productive use, examples include, but are not limited to, walkways, driveways, fences, and parking lots. Excludes land held for sale.

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

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Period Type:	instant

- Definition

Amount classified as liabilities attributable to disposal group held for sale or disposed of.

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- Definition

Carrying amount of long-term debt, net of unamortized discount or premium, including current and noncurrent amounts. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

+ References

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

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 03

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- Definition

This element represents a liability associated with the acquisition of an off-market lease when the terms of the lease are unfavorable to the market terms for the lease at the date of acquisition.

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- Definition

The cumulative amount of depreciation for real estate property held for investment purposes.

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-Topic 944

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Real Estate Activities (Details) 2 (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2015 property	Mar. 31, 2014	Dec. 31, 2014 property	Apr. 23, 2015	Apr. 07, 2015
Discontinued Operations
Rental revenue	$ 6,463	$ 15,376
Property operating expense	2,636	5,168
Interest expense	1,411	5,234
Real estate taxes	941	2,798
Asset impairment losses	0	8,225
Property management fees	168	478
Depreciation and amortization	0	6,461
Total expenses	5,156	28,364
Other expense	2	3
Income (loss) from discontinued operations	1,305	(12,991)
Long lived assets held for sale [Abstract]
Land	249,030us-gaap_LandAndLandImprovements		286,430us-gaap_LandAndLandImprovements
Building and improvements, net	1,360,923		1,482,336
Allowance for Doubtful Accounts Receivable	3,359		1,201
Lease intangibles, net	77,643us-gaap_FiniteLivedIntangibleAssetsNet		94,690us-gaap_FiniteLivedIntangibleAssetsNet
Assets associated with real estate held for sale	255,130		137,640
Notes payable	1,124,475us-gaap_LongTermDebt		1,194,085us-gaap_LongTermDebt
Acquired below-market leases, net	14,381us-gaap_OffMarketLeaseUnfavorable		16,984us-gaap_OffMarketLeaseUnfavorable
Obligations associated with real estate held for sale	104,457		108,343
Number of Properties Held for Sale	4tier_NumberofPropertiesHeldforSale		3tier_NumberofPropertiesHeldforSale
Number of Properties Sold (previously held for sale)	1
Number of properties that remain held for sale	2
Number of additional properties classified as held for sale	2
Building and Building Improvements [Member]
Long lived assets held for sale [Abstract]
Building and improvements, net	1,360,923		1,482,336
Accumulated depreciation and amortization	534,466		557,429
Assets Held-for-sale [Member]
Long lived assets held for sale [Abstract]
Land	39,791		10,977
Building and improvements, net	182,862		108,891
Accounts Receivable and Other Assets, net Held for Sale	12,062		7,290
Allowance for Doubtful Accounts Receivable	100		100
Lease intangibles, net	20,415		10,482
Notes payable	96,824		97,257
Acquired below-market leases, net	2,187		1,513
Other liabilities	5,446		9,573
Assets Held-for-sale [Member] \| Building and Building Improvements [Member]
Long lived assets held for sale [Abstract]
Accumulated depreciation and amortization	65,300		38,000
Lease Intangibles [Member] \| Assets Held-for-sale [Member]
Long lived assets held for sale [Abstract]
Accumulated depreciation and amortization	29,800		15,500
Leases, Acquired-in-Place, Market Adjustment [Member]
Long lived assets held for sale [Abstract]
Acquired below-market leases, net	14,381		16,984
Accumulated Amortization	(42,023)		(42,621)
Leases, Acquired-in-Place, Market Adjustment [Member] \| Assets Held-for-sale [Member]
Long lived assets held for sale [Abstract]
Accumulated Amortization	3,900		3,200
Subsequent Event [Member]
Long lived assets held for sale [Abstract]
Contract Sale Price				$ 190,800	$ 53,800