Related Party Transactions	9 Months Ended
Jun. 30, 2017
Related Party Transactions [Abstract]
Related Party Transactions	Related Party Transactions Majestic Property Management Corp., a related party, provides management services to the Company for certain properties owned by the Company and joint ventures in which the Company participates. These fees amounted to $9,000 and $7,000 for the three months ended June 30, 2017 and 2016, and $25,000 and $26,000 for the nine months ended June 30, 2017 and 2016, respectively. The allocation of expenses for the shared facilities, personnel and other resources used by the Company is determined in accordance with a shared services agreement by and among the Company and related parties. Amounts paid pursuant to the agreement are included in general and administrative expenses on the consolidated statements of operations. The Company reimbursed Gould Investors L.P., a related party, $84,000 and $47,000, for the three months ended June 30, 2017 and 2016, respectively, and $266,000 and $134,000 for the nine months ended June 30, 2017 and 2016, respectively, for services provided under the agreement. Management of many of the Company's multi-family properties (including two unconsolidated multi-family properties) is performed by the Company's joint venture partners or their affiliates (none of these joint venture partners is Gould Investors L.P. or its affiliates). Management fees to these related parties for the three months ended June 30, 2017 and 2016 were $726,000 and $525,000, respectively, and for the nine months ended June 30, 2017 and 2016, were $2,022,000 and $1,312,000, respectively. In addition, the Company may pay an acquisition fee to a joint venture partner in connection with a property purchased by such joint venture. Acquisition fees to these related parties for the three months ended June 30, 2017 and 2016, were $1,255,000 and $892,000, respectively, and for the nine months ended June 30, 2017 and 2016 were $1,904,000 and $1,331,000, respectively. During the three months ended December 31, 2015, the Company borrowed $8,000,000 from Gould Investors L.P., a related party. Interest for the three and nine months ended June 30, 2016 was $62,000 and $86,000, respectively. This loan was repaid on February 24, 2016.

Related Party Transactions

Majestic Property Management Corp., a related party, provides management services to the Company for certain properties owned by the Company and joint ventures in which the Company participates. These fees amounted to $9,000 and $7,000 for the three months ended June 30, 2017 and 2016, and $25,000 and $26,000 for the nine months ended June 30, 2017 and 2016, respectively.

The allocation of expenses for the shared facilities, personnel and other resources used by the Company is determined in accordance with a shared services agreement by and among the Company and related parties. Amounts paid pursuant to the agreement are included in general and administrative expenses on the consolidated statements of operations. The Company reimbursed Gould Investors L.P., a related party, $84,000 and $47,000, for the three months ended June 30, 2017 and 2016, respectively, and $266,000 and $134,000 for the nine months ended June 30, 2017 and 2016, respectively, for services provided under the agreement.

Management of many of the Company's multi-family properties (including two unconsolidated multi-family properties) is performed by the Company's joint venture partners or their affiliates (none of these joint venture partners is Gould Investors L.P. or its affiliates). Management fees to these related parties for the three months ended June 30, 2017 and 2016 were $726,000 and $525,000, respectively, and for the nine months ended June 30, 2017 and 2016, were $2,022,000 and $1,312,000, respectively. In addition, the Company may pay an acquisition fee to a joint venture partner in connection with a property purchased by such joint venture. Acquisition fees to these related parties for the three months ended June 30, 2017 and 2016, were $1,255,000 and $892,000, respectively, and for the nine months ended June 30, 2017 and 2016 were $1,904,000 and $1,331,000, respectively.

During the three months ended December 31, 2015, the Company borrowed $8,000,000 from Gould Investors L.P., a related party. Interest for the three and nine months ended June 30, 2016 was $62,000 and $86,000, respectively. This loan was repaid on February 24, 2016.