Discontinued Operations:	12 Months Ended
Dec. 31, 2013
Discontinued Operations and Disposal Groups [Abstract]
Discontinued Operations:	Discontinued Operations: On March 4, 2011, the Company sold a former Mervyn's store in Santa Fe, New Mexico for $3,732, resulting in a loss on the sale of assets of $1,913. The proceeds from the sale were used for general corporate purposes. On June 3, 2011, the Company disposed of six anchor stores at centers not owned by the Company (collectively referred to as the "GGP Anchor Stores"), including five former Mervyn's stores, as part of the GGP Exchange (See Note 4—Investments in Unconsolidated Joint Ventures). The Company determined that the fair value received in exchange for the GGP Anchor Stores was equal to their carrying value. On October 14, 2011, the Company sold a former Mervyn's store in Salt Lake City, Utah for $8,061, resulting in a gain on the sale of assets of $3,783. The proceeds from the sale were used for general corporate purposes. On November 30, 2011, the Company sold a former Mervyn's store in West Valley City, Utah for $2,300, resulting in a loss on the sale of assets of $200. The proceeds from the sale were used for general corporate purposes. In June 2011, the Company recorded an impairment charge of $35,729 related to Shoppingtown Mall. As a result of the maturity default on the mortgage note payable and the corresponding reduction of the estimated holding period, the Company wrote down the carrying value of the long-lived assets to their estimated fair value of $38,968. The Company had classified the estimated fair value as a Level 3 measurement due to the highly subjective nature of the computation, which involves estimates of holding period, market conditions, future occupancy levels, rental rates, capitalization rates, lease-up periods and capital improvements. On December 30, 2011, the Company conveyed Shoppingtown Mall to the mortgage note lender by a deed-in-lieu of foreclosure. As a result of the conveyance, the Company recognized an additional $3,929 loss on the disposal of the property. 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 (Level 1 measurement), 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, a 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 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, which is included in gain (loss) on the disposition of assets, net (See Note 10 - Mortgage Notes Payable). 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, 2012 and 2011. Revenues from discontinued operations were $54,752, $94,406 and $118,558 for the years ended December 31, 2013, 2012 and 2011, respectively. Total income (loss) from discontinued operations, including the gain (loss) from disposition of assets, net was $289,936, $63,223 and $(70,367) for the years ended December 31, 2013, 2012 and 2011, respectively.

Discontinued Operations:

On March 4, 2011, the Company sold a former Mervyn's store in Santa Fe, New Mexico for $3,732, resulting in a loss on the sale of assets of $1,913. The proceeds from the sale were used for general corporate purposes.

On June 3, 2011, the Company disposed of six anchor stores at centers not owned by the Company (collectively referred to as the "GGP Anchor Stores"), including five former Mervyn's stores, as part of the GGP Exchange (See Note 4—Investments in Unconsolidated Joint Ventures). The Company determined that the fair value received in exchange for the GGP Anchor Stores was equal to their carrying value.

On October 14, 2011, the Company sold a former Mervyn's store in Salt Lake City, Utah for $8,061, resulting in a gain on the sale of assets of $3,783. The proceeds from the sale were used for general corporate purposes.

On November 30, 2011, the Company sold a former Mervyn's store in West Valley City, Utah for $2,300, resulting in a loss on the sale of assets of $200. The proceeds from the sale were used for general corporate purposes.

In June 2011, the Company recorded an impairment charge of $35,729 related to Shoppingtown Mall. As a result of the maturity default on the mortgage note payable and the corresponding reduction of the estimated holding period, the Company wrote down the carrying value of the long-lived assets to their estimated fair value of $38,968. The Company had classified the estimated fair value as a Level 3 measurement due to the highly subjective nature of the computation, which involves estimates of holding period, market conditions, future occupancy levels, rental rates, capitalization rates, lease-up periods and capital improvements. On December 30, 2011, the Company conveyed Shoppingtown Mall to the mortgage note lender by a deed-in-lieu of foreclosure. As a result of the conveyance, the Company recognized an additional $3,929 loss on the disposal of the property.

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 (Level 1 measurement), 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, a 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 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, which is included in gain (loss) on the disposition of assets, net (See Note 10 - Mortgage Notes Payable).

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, 2012 and 2011.

Revenues from discontinued operations were $54,752, $94,406 and $118,558 for the years ended December 31, 2013, 2012 and 2011, respectively. Total income (loss) from discontinued operations, including the gain (loss) from disposition of assets, net was $289,936, $63,223 and $(70,367) for the years ended December 31, 2013, 2012 and 2011, respectively.