Quarterly report pursuant to Section 13 or 15(d)

Deferred Charges, Goodwill And Other Assets, Net (Schedule Of Deferred Charges, Goodwill And Other Assets) (Details)

v3.8.0.1
Deferred Charges, Goodwill And Other Assets, Net (Schedule Of Deferred Charges, Goodwill And Other Assets) (Details)
 9 Months Ended
Sep. 30, 2017
USD ($)
item
Dec. 31, 2016
USD ($)
Deferred Charges, Goodwill And Other Assets [Line Items]    
Deferred leasing costs $ 200,486,000 $ 220,947,000
Deferred financing costs - unsecured revolving credit facility [1] 4,945,000 5,400,000
Deferred charges, gross 205,431,000 226,347,000
Accumulated amortization (95,819,000) (107,359,000)
Deferred charges, net 109,612,000 118,988,000
Notes receivable [2] 114,760,000 13,251,000
In-place lease values, related intangibles and other assets, net 110,163,000 72,046,000
Goodwill [3] 2,945,000 2,945,000
Prepaid expenses and other assets, net [4] 102,384,000 60,720,000
Total deferred charges, goodwill and other assets, net 439,864,000 $ 267,950,000
Net sales proceeds held by qualified intermediary $ 45,300,000  
Notes Receivable 5.85 Interest Rate [Member]    
Deferred Charges, Goodwill And Other Assets [Line Items]    
Interest rate 5.85%  
Notes receivable $ 44,695,187  
Loan extension period 3 days  
Mortgage loan, maturity date Jul. 01, 2019  
Interest-Free Notes Receivable [Member]    
Deferred Charges, Goodwill And Other Assets [Line Items]    
Notes receivable $ 2,600,000  
Mortgage loan, maturity date Apr. 01, 2023  
Buyer [Member] | Bergen Portfolio [Member] | Notes Receivable 5.0 and 7.0 Interest Rate [Member]    
Deferred Charges, Goodwill And Other Assets [Line Items]    
Loan extension period 30 days  
Number of extension options | item 3  
Disposal Group, Not Discontinued Operations [Member] | Buyer [Member] | Bergen Portfolio [Member]    
Deferred Charges, Goodwill And Other Assets [Line Items]    
Notes receivable $ 24,800,000  
Loan extension period 30 days  
Number of extension options | item 3  
Mortgage loan, maturity date Nov. 01, 2017  
Disposal Group, Not Discontinued Operations [Member] | Buyer [Member] | Bergen Portfolio [Member] | Notes Receivable 4.0 Interest Rate [Member]    
Deferred Charges, Goodwill And Other Assets [Line Items]    
Interest rate 4.00%  
Notes receivable $ 40,200,000  
Mortgage loan, maturity date Nov. 01, 2017  
Disposal Group, Not Discontinued Operations [Member] | Buyer [Member] | Bergen Portfolio [Member] | Notes Receivable 5.0 and 7.0 Interest Rate [Member]    
Deferred Charges, Goodwill And Other Assets [Line Items]    
Notes receivable $ 24,800,000  
Mortgage loan, maturity date Nov. 01, 2017  
Disposal Group, Not Discontinued Operations [Member] | Buyer [Member] | Bergen Portfolio [Member] | Notes Receivable 4.0 Interest Rate [Member]    
Deferred Charges, Goodwill And Other Assets [Line Items]    
Interest rate 5.00%  
Disposal Group, Not Discontinued Operations [Member] | Buyer [Member] | Bergen Portfolio [Member] | Notes Receivable 7.0 Interest Rate [Member]    
Deferred Charges, Goodwill And Other Assets [Line Items]    
Interest rate 7.00%  
Notes receivable $ 40,200,000  
[1] Pursuant to recently issued accounting standards, deferred financing costs related to all other debt liabilities (other than for the unsecured revolving credit facility) are netted against those debt liabilities for all periods presented. See Note 2: Significant Accounting Policies - Deferred Financing Costs.
[2] Includes as of September 30, 2017, a mortgage receivable with a balance of $45.1 million (acquired in August 2017) which bears interest at 5.85 percent and matures in July 2019 with a three-month extension option; mortgages receivable for $40.2 million (provided to buyers in connection with property sales in August 2017) which bear interest at 4.0 percent and mature in November 2017; mortgages receivable for $24.8 million (provided to buyers in connection with property sales in August 2017) which bear interest at rates of 5.0 and 7.0 percent and mature in November 2017, with three 30-day extension options; and an interest-free note receivable with a net present value of $2.6 million which matures in April 2023. The Company believes these balances are fully collectible.
[3] All goodwill is attributable to the Company's Multi-family Services segment.
[4] Includes $45.3 million of proceeds from property sales held by a qualified intermediary as of September 30, 2017.