Dispositions:	12 Months Ended
Dec. 31, 2014
Discontinued Operations and Disposal Groups [Abstract]
Dispositions:	Dispositions: In March 2012, the Company recorded an impairment charge of $54,306 related to Valley View Center. As a result of the sale of the property on April 23, 2012, the Company wrote down the carrying value of the long-lived assets to their estimated fair value of $33,450, which was equal to the sales price of the property. On April 23, 2012, the property was sold by a court appointed receiver, which resulted in a gain on the extinguishment of debt of $104,023. On April 30, 2012, the Company sold The Borgata, a 94,000 square foot community center in Scottsdale, Arizona, for $9,150, resulting in a loss on the sale of assets of $1,275. The Company used the proceeds from the sale to pay down its line of credit and for general corporate purposes. On May 11, 2012, the Company sold a former Mervyn's store in Montebello, California for $20,750, resulting in a loss on the sale of assets of $407. The Company used the proceeds from the sale for general corporate purposes. On May 17, 2012, the Company sold Hilton Village, an 80,000 square foot community center in Scottsdale, Arizona, for $24,820, resulting in a gain on the sale of assets of $3,127. The Company used the proceeds from the sale to pay down its line of credit and for general corporate purposes. On May 31, 2012, the Company conveyed Prescott Gateway, a 584,000 square foot regional shopping center in Prescott, Arizona, to the mortgage note lender by a deed-in-lieu of foreclosure. As a result of the conveyance, the Company recognized a gain on the extinguishment of debt of $16,296. On June 28, 2012, the Company sold Carmel Plaza, a 112,000 square foot community center in Carmel, California, for $52,000, resulting in a gain on the sale of assets of $7,844. The Company used the proceeds from the sale to pay down its line of credit. In December 2012, the Company recognized an impairment charge of $24,555 on Fiesta Mall, a 933,000 square foot regional shopping center in Mesa, Arizona, to write down the carrying value of the long-lived assets to their estimated fair value due to a reduction in the estimated holding period of the property. On September 30, 2013, the Company conveyed Fiesta Mall to the mortgage note lender by a deed-in-lieu of foreclosure. The mortgage loan was non-recourse. As a result of the conveyance, the Company recognized a gain on the extinguishment of debt of $1,252. On May 31, 2013, the Company sold Green Tree Mall, a 793,000 square foot regional shopping center in Clarksville, Indiana, for $79,000, resulting in a gain on the sale of assets of $59,767. The Company used the proceeds from the sale to pay down its line of credit and for general corporate purposes. On June 4, 2013, the Company sold Northridge Mall, an 890,000 square foot regional shopping center in Salinas, California, and Rimrock Mall, a 603,000 square foot regional shopping center in Billings, Montana. The properties were sold in a combined transaction for $230,000, resulting in a gain on the sale of assets of $82,151. The Company used the cash proceeds from the sale to pay down its line of credit and for general corporate purposes. On September 11, 2013, the Company sold a former Mervyn's store in Milpitas, California for $12,000, resulting in a loss on the sale of assets of $2,633. The Company used the proceeds from the sale to pay down its line of credit and for general corporate purposes. On October 15, 2013, the Company sold a former Mervyn's store in Midland, Texas for $5,700, resulting in a loss on the sale of assets of $2,031. The Company used the proceeds from the sale to pay down its line of credit and for general corporate purposes. On October 23, 2013, the Company sold a former Mervyn's store in Grand Junction, Colorado for $5,430, resulting in a gain on the sale of assets of $1,695. The Company used the proceeds from the sale to pay down its line of credit and for general corporate purposes. On December 4, 2013, the Company sold a former Mervyn's store in Livermore, California for $10,475, resulting in a loss on the sale of assets of $5,257. The Company used the proceeds from the sale to pay down its line of credit and for general corporate purposes. On December 11, 2013, the Company sold Chesterfield Towne Center, a 1,016,000 square foot regional shopping center in Richmond, Virginia, and Centre at Salisbury, an 862,000 square foot regional shopping center in Salisbury, Maryland in a combined transaction for $292,500, resulting in a gain on the sale of assets of $151,467. The sales price was funded by a cash payment of $67,763, the assumption of the $109,737 mortgage note payable on Chesterfield Towne Center and the assumption of the $115,000 mortgage note payable on Centre at Salisbury. The Company used the cash proceeds from the sale to pay down its line of credit and for general corporate purposes. The Company has classified the results of operations and gain or loss on sale for all of the above dispositions as discontinued operations for the years ended December 31, 2013 and 2012. Revenues from discontinued operations were $54,752 and $94,406 for the years ended December 31, 2013 and 2012, respectively. Total income from discontinued operations, including the gain from disposition of assets, net was $289,936 and $63,223 for the years ended December 31, 2013 and 2012, respectively. On January 1, 2014, the Company adopted ASU 2014-08 (See Note 2—Summary of Significant Accounting Policies). The Company has determined that none of the disposals during the year ended December 31, 2014 represented discontinued operations. As a result, the following dispositions during the year ended December 31, 2014 have been included in gain on sale or write down of assets, net, from continuing operations: On January 15, 2014, the Company sold Rotterdam Square, a 585,000 square foot regional shopping center in Schenectady, New York, for $8,500, resulting in a loss on the sale of assets of $435. The Company used the proceeds from the sale to pay down its line of credit and for general corporate purposes. On February 14, 2014, the Company sold Somersville Towne Center, a 348,000 square foot regional shopping center in Antioch, California, for $12,337, resulting in a loss on the sale of assets of $263. The Company used the proceeds from the sale to pay down its line of credit and for general corporate purposes. On March 17, 2014, the Company sold Lake Square Mall, a 559,000 square foot regional shopping center in Leesburg, Florida, for $13,280, resulting in a loss on the sale of assets of $876. The sales price was funded by a cash payment of $3,677 and the issuance of two notes receivable totaling $9,603 (See Note 6—Tenant and Other Receivables). The Company used the cash proceeds from the sale to pay down its line of credit and for general corporate purposes. On July 7, 2014, the Company sold a former Mervyn's store in El Paso, Texas for $3,560, resulting in a loss on the sale of assets of $158. The Company used the proceeds from the sale to pay down its line of credit and for general corporate purposes. On August 28, 2014, the Company sold a former Mervyn's store in Thousand Oaks, California for $3,500, resulting in a loss on the sale of assets of $80. The Company used the proceeds from the sale to pay down its line of credit and for general corporate purposes. On September 11, 2014, the Company sold a leasehold interest in a former Mervyn's store in Laredo, Texas for $1,200, resulting in a gain on the sale of assets of $315. The Company used the proceeds from the sale to pay down its line of credit and for general corporate purposes. On October 10, 2014, the Company sold a former Mervyn's store in Marysville, California for $1,900, resulting in a loss on the sale of assets of $3. The Company used the proceeds from the sale to pay down its line of credit and for general corporate purposes. On October 31, 2014, the Company sold South Towne Center, a 1,278,000 square foot regional shopping center in Sandy, Utah, for $205,000, resulting in a gain on the sale of assets of $121,873. The Company used the proceeds from the sale to pay down its line of credit and for general corporate purposes. On December 29, 2014, the Company sold its 67.5% ownership interest in its consolidated joint venture in Camelback Colonnade, a 619,000 square foot community center in Phoenix, Arizona, for $92,898, resulting in a gain on the sale of assets of $24,554. The sales price was funded by a cash payment of $61,173 and the assumption of the Company's share of the mortgage note payable on the property of $31,725. The Company used the cash proceeds from the sale to pay down its line of credit and for general corporate purposes. As a result of the sale, the Company was discharged of the $47,946 mortgage note payable on the property and $17,217 of noncontrolling interest was reversed.

Dispositions:

In March 2012, the Company recorded an impairment charge of $54,306 related to Valley View Center. As a result of the sale of the property on April 23, 2012, the Company wrote down the carrying value of the long-lived assets to their estimated fair value of $33,450, which was equal to the sales price of the property. On April 23, 2012, the property was sold by a court appointed receiver, which resulted in a gain on the extinguishment of debt of $104,023.

On April 30, 2012, the Company sold The Borgata, a 94,000 square foot community center in Scottsdale, Arizona, for $9,150, resulting in a loss on the sale of assets of $1,275. The Company used the proceeds from the sale to pay down its line of credit and for general corporate purposes.

On May 11, 2012, the Company sold a former Mervyn's store in Montebello, California for $20,750, resulting in a loss on the sale of assets of $407. The Company used the proceeds from the sale for general corporate purposes.

On May 17, 2012, the Company sold Hilton Village, an 80,000 square foot community center in Scottsdale, Arizona, for $24,820, resulting in a gain on the sale of assets of $3,127. The Company used the proceeds from the sale to pay down its line of credit and for general corporate purposes.

On May 31, 2012, the Company conveyed Prescott Gateway, a 584,000 square foot regional shopping center in Prescott, Arizona, to the mortgage note lender by a deed-in-lieu of foreclosure. As a result of the conveyance, the Company recognized a gain on the extinguishment of debt of $16,296.

On June 28, 2012, the Company sold Carmel Plaza, a 112,000 square foot community center in Carmel, California, for $52,000, resulting in a gain on the sale of assets of $7,844. The Company used the proceeds from the sale to pay down its line of credit.

In December 2012, the Company recognized an impairment charge of $24,555 on Fiesta Mall, a 933,000 square foot regional shopping center in Mesa, Arizona, to write down the carrying value of the long-lived assets to their estimated fair value due to a reduction in the estimated holding period of the property. On September 30, 2013, the Company conveyed Fiesta Mall to the mortgage note lender by a deed-in-lieu of foreclosure. The mortgage loan was non-recourse. As a result of the conveyance, the Company recognized a gain on the extinguishment of debt of $1,252.

On May 31, 2013, the Company sold Green Tree Mall, a 793,000 square foot regional shopping center in Clarksville, Indiana, for $79,000, resulting in a gain on the sale of assets of $59,767. The Company used the proceeds from the sale to pay down its line of credit and for general corporate purposes.

On June 4, 2013, the Company sold Northridge Mall, an 890,000 square foot regional shopping center in Salinas, California, and Rimrock Mall, a 603,000 square foot regional shopping center in Billings, Montana. The properties were sold in a combined transaction for $230,000, resulting in a gain on the sale of assets of $82,151. The Company used the cash proceeds from the sale to pay down its line of credit and for general corporate purposes.

On September 11, 2013, the Company sold a former Mervyn's store in Milpitas, California for $12,000, resulting in a loss on the sale of assets of $2,633. The Company used the proceeds from the sale to pay down its line of credit and for general corporate purposes.

On October 15, 2013, the Company sold a former Mervyn's store in Midland, Texas for $5,700, resulting in a loss on the sale of assets of $2,031. The Company used the proceeds from the sale to pay down its line of credit and for general corporate purposes.

On October 23, 2013, the Company sold a former Mervyn's store in Grand Junction, Colorado for $5,430, resulting in a gain on the sale of assets of $1,695. The Company used the proceeds from the sale to pay down its line of credit and for general corporate purposes.

On December 4, 2013, the Company sold a former Mervyn's store in Livermore, California for $10,475, resulting in a loss on the sale of assets of $5,257. The Company used the proceeds from the sale to pay down its line of credit and for general corporate purposes.

On December 11, 2013, the Company sold Chesterfield Towne Center, a 1,016,000 square foot regional shopping center in Richmond, Virginia, and Centre at Salisbury, an 862,000 square foot regional shopping center in Salisbury, Maryland in a combined transaction for $292,500, resulting in a gain on the sale of assets of $151,467. The sales price was funded by a cash payment of $67,763, the assumption of the $109,737 mortgage note payable on Chesterfield Towne Center and the assumption of the $115,000 mortgage note payable on Centre at Salisbury. The Company used the cash proceeds from the sale to pay down its line of credit and for general corporate purposes.

The Company has classified the results of operations and gain or loss on sale for all of the above dispositions as discontinued operations for the years ended December 31, 2013 and 2012. Revenues from discontinued operations were $54,752 and $94,406 for the years ended December 31, 2013 and 2012, respectively. Total income from discontinued operations, including the gain from disposition of assets, net was $289,936 and $63,223 for the years ended December 31, 2013 and 2012, respectively.

On January 1, 2014, the Company adopted ASU 2014-08 (See Note 2—Summary of Significant Accounting Policies). The Company has determined that none of the disposals during the year ended December 31, 2014 represented discontinued operations. As a result, the following dispositions during the year ended December 31, 2014 have been included in gain on sale or write down of assets, net, from continuing operations:

On January 15, 2014, the Company sold Rotterdam Square, a 585,000 square foot regional shopping center in Schenectady, New York, for $8,500, resulting in a loss on the sale of assets of $435. The Company used the proceeds from the sale to pay down its line of credit and for general corporate purposes.

On February 14, 2014, the Company sold Somersville Towne Center, a 348,000 square foot regional shopping center in Antioch, California, for $12,337, resulting in a loss on the sale of assets of $263. The Company used the proceeds from the sale to pay down its line of credit and for general corporate purposes.

On March 17, 2014, the Company sold Lake Square Mall, a 559,000 square foot regional shopping center in Leesburg, Florida, for $13,280, resulting in a loss on the sale of assets of $876. The sales price was funded by a cash payment of $3,677 and the issuance of two notes receivable totaling $9,603 (See Note 6—Tenant and Other Receivables). The Company used the cash proceeds from the sale to pay down its line of credit and for general corporate purposes.

On July 7, 2014, the Company sold a former Mervyn's store in El Paso, Texas for $3,560, resulting in a loss on the sale of assets of $158. The Company used the proceeds from the sale to pay down its line of credit and for general corporate purposes.

On August 28, 2014, the Company sold a former Mervyn's store in Thousand Oaks, California for $3,500, resulting in a loss on the sale of assets of $80. The Company used the proceeds from the sale to pay down its line of credit and for general corporate purposes.

On September 11, 2014, the Company sold a leasehold interest in a former Mervyn's store in Laredo, Texas for $1,200, resulting in a gain on the sale of assets of $315. The Company used the proceeds from the sale to pay down its line of credit and for general corporate purposes.

On October 10, 2014, the Company sold a former Mervyn's store in Marysville, California for $1,900, resulting in a loss on the sale of assets of $3. The Company used the proceeds from the sale to pay down its line of credit and for general corporate purposes.

On October 31, 2014, the Company sold South Towne Center, a 1,278,000 square foot regional shopping center in Sandy, Utah, for $205,000, resulting in a gain on the sale of assets of $121,873. The Company used the proceeds from the sale to pay down its line of credit and for general corporate purposes.

On December 29, 2014, the Company sold its 67.5% ownership interest in its consolidated joint venture in Camelback Colonnade, a 619,000 square foot community center in Phoenix, Arizona, for $92,898, resulting in a gain on the sale of assets of $24,554. The sales price was funded by a cash payment of $61,173 and the assumption of the Company's share of the mortgage note payable on the property of $31,725. The Company used the cash proceeds from the sale to pay down its line of credit and for general corporate purposes. As a result of the sale, the Company was discharged of the $47,946 mortgage note payable on the property and $17,217 of noncontrolling interest was reversed.