Tenant and Other Receivables, net:	6 Months Ended
Tenant and Other Receivables, net:	Jun. 30, 2014
Loans and Leases Receivable Disclosure [Abstract]
Tenant and Other Receivables, net:	Tenant and Other Receivables, net: Included in tenant and other receivables, net, is an allowance for doubtful accounts of $5,178 and $2,878 at June 30, 2014 and December 31, 2013, respectively. Also included in tenant and other receivables, net, are accrued percentage rents of $1,758 and $9,824 at June 30, 2014 and December 31, 2013, respectively, and a deferred rent receivable due to straight-line rent adjustments of $55,902 and $53,380 at June 30, 2014 and December 31, 2013, respectively. On March 17, 2014, in connection with the sale of Lake Square Mall (See Note 5—Property), the Company issued a note receivable for $6,500 that bears interest at an effective rate of 6.5% and matures on March 17, 2018 and a note receivable for $3,103 that bears interest at 5.0% and matures on December 31, 2014. The balance of each of these notes receivable at June 30, 2014 was $6,484 and $2,879, respectively. The notes are collateralized by a trust deed on Lake Square Mall.

The entire disclosure for claims held for amounts due a entity, excluding financing receivables. Examples include, but are not limited to, trade accounts receivables, notes receivables, loans receivables. Includes disclosure for allowance for credit losses.

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