Related Party Arrangements	12 Months Ended
Related Party Arrangements	Dec. 31, 2015
Related Party Transactions [Abstract]
Related Party Arrangements	Related Party Arrangements Unconsolidated Entities The Company manages unconsolidated real estate entities for which it receives asset management, property management, development and redevelopment fee revenue. From these entities, the Company earned fees of $9,947,000, $11,050,000 and $11,502,000 in the years ended December 31, 2015, 2014 and 2013, respectively. These fees are recognized on an accrual basis when earned in accordance with the accounting guidance applicable to revenue recognition, and are included in management, development and other fees on the accompanying Consolidated Statements of Comprehensive Income. In addition, the Company has outstanding receivables associated with its management role of $3,832,000 and $6,868,000 as of December 31, 2015 and 2014, respectively. Director Compensation Directors of the Company who are also employees receive no additional compensation for their services as a director. Following each annual meeting of stockholders, non-employee directors receive (i) a number of shares of restricted stock (or deferred stock awards) having a value of $130,000 and (ii) a cash payment of $60,000, payable in quarterly installments of $15,000. The number of shares of restricted stock (or deferred stock awards) is calculated based on the closing price on the day of the award. Non-employee directors may elect to receive all or a portion of cash payments in the form of a deferred stock award. In addition, beginning in May 2014, the Lead Independent Director receives an additional annual fee of $25,000 payable in equal quarterly installments of $6,250, and non-employee directors serving as the chairperson of the Audit, Compensation and Nominating Committees receive additional cash compensation of $10,000 per year payable in quarterly installments of $2,500. The Company recorded non-employee director compensation expense relating to restricted stock grants and deferred stock awards in the amount of $1,135,000, $1,049,000 and $992,000 for the years ended December 31, 2015, 2014 and 2013, respectively, as a component of general and administrative expense. Deferred compensation relating to these restricted stock grants and deferred stock awards to non-employee directors was $488,000, $452,000 and $417,000 on December 31, 2015, 2014 and 2013, respectively. During the year ended December 31, 2015, the Company issued 46,589 shares in conjunction with the conversion of deferred stock awards.

The entire disclosure for related party transactions. Examples of related party transactions include transactions between (a) a parent company and its subsidiary; (b) subsidiaries of a common parent; (c) and entity and its principal owners; and (d) affiliates.