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Investments in Unconsolidated Entities (Details Textual) |  |  | 3 Months Ended | 9 Months Ended | 12 Months Ended |  |  |
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Aug. 24, 2018 USD ($) | Aug. 22, 2018 USD ($) | Oct. 31, 2018 USD ($) | Jul. 31, 2018 USD ($) joint_ventures Homes_sold rental_units home_sites | Jan. 31, 2018 USD ($) | Jul. 31, 2017 USD ($) Homes_sold home_sites | Jan. 31, 2017 USD ($) | Jul. 31, 2018 USD ($) joint_ventures Homes_sold rental_units home_sites | Jul. 31, 2017 USD ($) Homes_sold home_sites | Oct. 31, 2017 USD ($) joint_ventures | May 10, 2018 USD ($) | Nov. 01, 2017 USD ($) | Apr. 28, 2017 USD ($)
Investments in and Advances to Unconsolidated Entities (Textual) [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |
Land Sales |  |  |  | $ 10,949,000 |  | $ 4,633,000 |  | $ 56,136,000 | $ 151,470,000 |  |  |  |
Land sales earnings, net |  |  |  | 888,000 |  | 2,417,000 |  | 4,175,000 | 7,503,000 |  |  |  |
Equity Method Investment, Summarized Financial Information, Revenue |  |  |  | 117,239,000 |  | 189,714,000 |  | 393,522,000 | 690,441,000 |  |  |  |
Inventory, Land Held for Development and Sale |  |  |  | 255,616,000 |  |  |  | 255,616,000 |  | $ 146,288,000 |  |  |
Proceeds from Equity Method Investment, Distribution |  |  |  |  |  |  |  | 53,166,000 | 125,138,000 |  |  |  |
Income from unconsolidated entities |  |  |  | 12,469,000 |  | 19,925,000 |  | 53,913,000 | 112,274,000 |  |  |  |
Non Cash Transfer Of Other Assets To Investment In Unconsolidated Entities |  |  |  |  |  |  |  | 21,546,000 |  |  |  |  |
Investments in and Advance to Affiliates, Subsidiaries, Associates, and Joint Ventures |  |  |  | 419,994,000 |  |  |  | 419,994,000 |  | $ 481,758,000 |  |  |
Line of Credit Facility, Maximum Borrowing Capacity |  |  |  | 1,585,068,000 |  |  |  | 1,585,068,000 |  |  |  |  |
Long-term Line of Credit |  |  |  | 1,215,133,000 |  |  |  | 1,215,133,000 |  |  |  |  |
Management Fees Revenue |  |  |  | $ 2,175,000 |  | $ 2,477,000 |  | $ 9,600,000 | $ 10,448,000 |  |  |  |
Equity Method Investee [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Investments in and Advances to Unconsolidated Entities (Textual) [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |
Number Of Unconsolidated Entities That Are Considered Variable Interest Entities | joint_ventures |  |  |  |  |  |  |  |  |  | 8 |  |  |
Land Development Joint Ventures [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Investments in and Advances to Unconsolidated Entities (Textual) [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |
Home sites sold | home_sites |  |  |  | 226 |  | 362 |  | 675 | 871 |  |  |  |
Land Sales |  |  |  | $ 73,700,000 |  | $ 115,000,000 |  | $ 176,400,000 | $ 215,900,000 |  |  |  |
Line of Credit Facility, Maximum Borrowing Capacity |  |  |  | 181,081,000 |  |  |  | 181,081,000 |  |  |  |  |
Long-term Line of Credit |  |  |  | $ 166,156,000 |  |  |  | $ 166,156,000 |  |  |  |  |
Home Building Joint Ventures, Total [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Investments in and Advances to Unconsolidated Entities (Textual) [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |
Home sites sold | Homes_sold |  |  |  | 19 |  | 33 |  | 73 | 176 |  |  |  |
Equity Method Investment, Summarized Financial Information, Revenue |  |  |  | $ 36,000,000 |  | $ 81,000,000 |  | $ 104,000,000 | $ 451,600,000 |  |  |  |
Line of Credit Facility, Maximum Borrowing Capacity |  |  |  | 381,902,000 |  |  |  | 381,902,000 |  |  |  |  |
Long-term Line of Credit |  |  |  | $ 255,842,000 |  |  |  | $ 255,842,000 |  |  |  |  |
Rental Joint Ventures, including the Trust [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Investments in and Advances to Unconsolidated Entities (Textual) [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |
Number of Real Estate Properties | joint_ventures |  |  |  | 14 |  |  |  | 14 |  |  |  |  |
Line of Credit Facility, Maximum Borrowing Capacity |  |  |  | $ 1,022,085,000 |  |  |  | $ 1,022,085,000 |  |  |  |  |
Long-term Line of Credit |  |  |  | $ 793,135,000 |  |  |  | $ 793,135,000 |  |  |  |  |
Rental Property Joint Venture Metro Washington, D.C. Two [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Investments in and Advances to Unconsolidated Entities (Textual) [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |
Number of Units in Real Estate Property |  |  |  | 308 |  |  |  | 308 |  |  |  |  |
Line of Credit Facility, Maximum Borrowing Capacity |  |  |  | $ 72,700,000 |  |  |  | $ 72,700,000 |  |  |  |  |
Long-term Line of Credit |  |  |  | $ 5,800,000 |  |  |  | $ 5,800,000 |  |  |  |  |
Rental Property Joint Ventures College Park, Maryland [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Investments in and Advances to Unconsolidated Entities (Textual) [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |
Land Sales |  |  |  |  | $ 219,000,000 |  |  |  |  |  |  |  |
Rental Property Joint Venture Belmont MA [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Investments in and Advances to Unconsolidated Entities (Textual) [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |
Number of Units in Real Estate Property |  |  |  | 112 |  |  |  | 112 |  |  |  |  |
Line of Credit Facility, Maximum Borrowing Capacity |  |  |  | $ 42,400,000 |  |  |  | $ 42,400,000 |  |  |  |  |
Long-term Line of Credit |  |  |  | $ 7,200,000 |  |  |  | 7,200,000 |  |  |  |  |
Rental Property Joint Ventures Jersey City [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Investments in and Advances to Unconsolidated Entities (Textual) [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument, Term |  |  |  | 10 years |  |  |  |  |  |  |  |  |
Long-term Debt |  |  |  | $ 133,000,000 |  |  |  | 133,000,000 |  |  |  |  |
Rental Property Joint Venture Suburban Philadelphia [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Investments in and Advances to Unconsolidated Entities (Textual) [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument, Term |  |  |  | 10 years |  |  |  |  |  |  |  |  |
Long-term Debt |  |  |  | $ 56,000,000 |  |  |  | $ 56,000,000 |  |  |  |  |
Toll Brothers Realty Trust [Member] | Co-venturer [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Investments in and Advances to Unconsolidated Entities (Textual) [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |
Equity Method Investment, Ownership Percentage |  |  |  | 33.30% |  |  |  | 33.30% |  |  |  |  |
Toll Brothers Realty Trust [Member] | Management [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Investments in and Advances to Unconsolidated Entities (Textual) [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |
Equity Method Investment, Ownership Percentage |  |  |  | 33.30% |  |  |  | 33.30% |  |  |  |  |
Rental Property Joint Venture Westborough MA [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Investments in and Advances to Unconsolidated Entities (Textual) [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |
Land Sales |  |  |  | $ 65,500,000 |  |  |  |  |  |  |  |  |
Rental Property Joint Venture Woburn MA [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Investments in and Advances to Unconsolidated Entities (Textual) [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |
Number of Units in Real Estate Property |  |  |  | 289 |  |  |  | 289 |  |  |  |  |
Rental Property Joint Venture Washington DC Three [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Investments in and Advances to Unconsolidated Entities (Textual) [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |
Payments to Acquire and Develop Real Estate |  |  |  |  |  |  |  | $ 65,400,000 |  |  |  |  |
Land Development Joint Ventures [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Investments in and Advances to Unconsolidated Entities (Textual) [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |
Other than Temporary Impairment Losses, Investments |  |  |  | $ 4,000,000 |  | $ 0 |  | 4,000,000 | $ 2,000,000 |  |  |  |
Investments in and Advance to Affiliates, Subsidiaries, Associates, and Joint Ventures |  |  |  | $ 198,001,000 |  |  |  | $ 198,001,000 |  |  |  |  |
Land Development Joint Ventures [Member] | Equity Method Investee [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Investments in and Advances to Unconsolidated Entities (Textual) [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |
Home sites sold | home_sites |  |  |  | 70 |  | 126 |  | 125 | 288 |  |  |  |
Equity Method Investment, Summarized Financial Information, Revenue |  |  |  | $ 42,700,000 |  | $ 76,300,000 |  | $ 50,000,000 | $ 122,500,000 |  |  |  |
Equity Method Investment, Deferred Gain on Sale |  |  |  | 500,000 |  | 5,900,000 |  | 1,400,000 | 12,900,000 |  |  |  |
Rental Property Joint Venture Metro Washington, D.C. Two [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Investments in and Advances to Unconsolidated Entities (Textual) [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |
Land sales earnings, net |  |  |  | 1,000,000 |  |  |  |  |  |  |  |  |
Retail Land Sales, Installment Method, Gross Profit, Deferred |  |  |  |  |  |  |  | 3,834,000 |  |  |  |  |
Payments to Acquire and Develop Real Estate |  |  |  |  | 27,400,000 |  |  |  |  |  |  |  |
Investments in and Advance to Affiliates, Subsidiaries, Associates, and Joint Ventures |  |  |  | 11,700,000 |  |  |  | 11,700,000 |  |  |  |  |
Rental Property Joint Venture Metro Washington, D.C. Two [Member] | Co-venturer [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Investments in and Advances to Unconsolidated Entities (Textual) [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |
Land Sales |  |  |  | 17,800,000 |  |  |  |  |  |  |  |  |
Rental Property Joint Ventures College Park, Maryland [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Investments in and Advances to Unconsolidated Entities (Textual) [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |
Proceeds from Sale of Equity Method Investments |  |  |  |  | 39,300,000 |  |  |  |  |  |  |  |
Equity Method Investment, Realized Gain (Loss) on Disposal |  |  |  |  |  |  |  | 30,800,000 |  |  |  |  |
Rental Property Joint Venture Belmont MA [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Investments in and Advances to Unconsolidated Entities (Textual) [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |
Payments to Acquire and Develop Real Estate |  |  |  |  |  |  |  |  |  | $ 22,100,000 |  |  |
Proceeds from Equity Method Investment, Distribution |  |  |  |  | $ 10,800,000 |  |  |  |  |  |  |  |
Non Cash Transfer Of Other Assets To Investment In Unconsolidated Entities |  |  |  | 11,300,000 |  |  |  |  |  |  |  |  |
Investments in and Advance to Affiliates, Subsidiaries, Associates, and Joint Ventures |  |  |  | $ 17,100,000 |  |  |  | 17,100,000 |  |  |  |  |
Rental Property Joint Venture Belmont MA [Member] | Co-venturer [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Investments in and Advances to Unconsolidated Entities (Textual) [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |
Land Sales |  |  |  |  |  |  |  | $ 11,000,000 |  |  |  |  |
Equity Method Investment, Ownership Percentage |  |  |  | 50.00% |  |  |  | 50.00% |  |  |  |  |
Rental Property Joint Ventures Jersey City [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Investments in and Advances to Unconsolidated Entities (Textual) [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |
Equity Method Investment, Ownership Percentage |  |  |  | 25.00% |  |  |  | 25.00% |  |  |  |  |
Investments in and Advance to Affiliates, Subsidiaries, Associates, and Joint Ventures |  |  |  | $ 5,900,000 |  |  |  | $ 5,900,000 |  |  |  |  |
Rental Property Joint Venture Suburban Philadelphia [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Investments in and Advances to Unconsolidated Entities (Textual) [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |
Equity Method Investment, Ownership Percentage |  |  |  | 25.00% |  |  |  | 25.00% |  |  |  |  |
Investments in and Advance to Affiliates, Subsidiaries, Associates, and Joint Ventures |  |  |  | $ 2,500,000 |  |  |  | $ 2,500,000 |  |  |  |  |
Toll Brothers Realty Trust [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Investments in and Advances to Unconsolidated Entities (Textual) [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |
Equity Method Investment, Ownership Percentage |  |  |  | 33.30% |  |  |  | 33.30% |  |  |  |  |
Investments in and Advance to Affiliates, Subsidiaries, Associates, and Joint Ventures |  |  |  | $ 0 |  |  |  | $ 0 |  |  |  |  |
Management Fees Revenue |  |  |  | $ 600,000 |  | 600,000 |  | $ 1,700,000 | 1,400,000 |  |  |  |
Gibraltar Joint Ventures [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Investments in and Advances to Unconsolidated Entities (Textual) [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |
Equity Method Investment, Ownership Percentage |  |  |  | 25.00% |  |  |  | 25.00% |  |  |  |  |
Investments in and Advance to Affiliates, Subsidiaries, Associates, and Joint Ventures |  |  |  | $ 9,944,000 |  |  |  | $ 9,944,000 |  |  |  |  |
Rental Property Joint Venture Westborough MA [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Investments in and Advances to Unconsolidated Entities (Textual) [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |
Proceeds from Sale of Equity Method Investments |  |  |  | 12,100,000 |  |  |  |  |  |  |  |  |
Equity Method Investment, Realized Gain (Loss) on Disposal |  |  |  | $ 8,700,000 |  |  |  | $ 8,700,000 |  |  |  |  |
Occupied or Ready for Occupancy [Member] | Rental Joint Ventures, including the Trust [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Investments in and Advances to Unconsolidated Entities (Textual) [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |
Number of Units in Real Estate Property | rental_units |  |  |  | 2,500 |  |  |  | 2,500 |  |  |  |  |
Lease up Stage [Member] | Rental Joint Ventures, including the Trust [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Investments in and Advances to Unconsolidated Entities (Textual) [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |
Number of Units in Real Estate Property | rental_units |  |  |  | 750 |  |  |  | 750 |  |  |  |  |
Asset under Construction [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Investments in and Advances to Unconsolidated Entities (Textual) [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |
Number of Units in Real Estate Property | rental_units |  |  |  | 750 |  |  |  | 750 |  |  |  |  |
Asset under Construction [Member] | Rental Joint Ventures, including the Trust [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Investments in and Advances to Unconsolidated Entities (Textual) [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |
Number of Units in Real Estate Property | rental_units |  |  |  | 1,850 |  |  |  | 1,850 |  |  |  |  |
In Planning Phase [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Investments in and Advances to Unconsolidated Entities (Textual) [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |
Number of Units in Real Estate Property | rental_units |  |  |  | 9,800 |  |  |  | 9,800 |  |  |  |  |
Disposal Group, Disposed of by Sale, Not Discontinued Operations [Member] | Rental Property Joint Ventures Jersey City [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Investments in and Advances to Unconsolidated Entities (Textual) [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |
Proceeds from Sale of Equity Method Investments |  |  |  |  |  | 42,900,000 |  |  |  |  |  |  |
Equity Method Investment, Realized Gain (Loss) on Disposal |  |  |  |  |  |  |  |  | 20,500,000 |  |  |  |
Disposal Group, Disposed of by Sale, Not Discontinued Operations [Member] | Rental Property Joint Venture Suburban Philadelphia [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Investments in and Advances to Unconsolidated Entities (Textual) [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |
Proceeds from Sale of Equity Method Investments |  |  |  |  |  |  | $ 12,000,000 |  |  |  |  |  |
Equity Method Investment, Realized Gain (Loss) on Disposal |  |  |  |  |  |  |  |  | 6,200,000 |  |  |  |
Line of Credit [Member] | Rental Property Joint Ventures College Park, Maryland [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Investments in and Advances to Unconsolidated Entities (Textual) [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |
Line of Credit Facility, Maximum Borrowing Capacity |  |  |  |  |  |  |  |  |  |  |  | $ 110,000,000 |
Line of Credit [Member] | Rental Property Joint Ventures Jersey City [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Investments in and Advances to Unconsolidated Entities (Textual) [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |
Long-term Line of Credit |  |  |  |  |  |  |  |  |  |  |  |  | $ 112,200,000
Line of Credit [Member] | Rental Property Joint Venture Suburban Philadelphia [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Investments in and Advances to Unconsolidated Entities (Textual) [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |
Long-term Line of Credit |  |  |  |  |  | $ 54,100,000 |  |  | $ 54,100,000 |  |  |  |
Line of Credit [Member] | Rental Property Joint Venture Westborough MA [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Investments in and Advances to Unconsolidated Entities (Textual) [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |
Long-term Line of Credit |  |  |  |  |  |  |  |  |  |  | $ 30,100,000 |  |
Subsequent Event [Member] | Rental Property Joint Venture Washington DC Three [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Investments in and Advances to Unconsolidated Entities (Textual) [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |
Number of Units in Real Estate Property |  | 1,244 |  |  |  |  |  |  |  |  |  |  |
Subsequent Event [Member] | Toll Brothers Realty Trust [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Investments in and Advances to Unconsolidated Entities (Textual) [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |
Land Sales | $ 193,000,000 |  |  |  |  |  |  |  |  |  |  |  |
Long-term Line of Credit | 99,500,000 |  |  |  |  |  |  |  |  |  |  |  |
Subsequent Event [Member] | Rental Property Joint Venture Washington DC Three [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Investments in and Advances to Unconsolidated Entities (Textual) [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |
Investments in and Advance to Affiliates, Subsidiaries, Associates, and Joint Ventures |  | $ 32,900,000 |  |  |  |  |  |  |  |  |  |  |
Subsequent Event [Member] | Rental Property Joint Venture Washington DC Three [Member] | Co-venturer [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Investments in and Advances to Unconsolidated Entities (Textual) [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |
Land Sales |  | $ 32,900,000 |  |  |  |  |  |  |  |  |  |  |
Equity Method Investment, Ownership Percentage |  | 50.00% |  |  |  |  |  |  |  |  |  |  |
Subsequent Event [Member] | Toll Brothers Realty Trust [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Investments in and Advances to Unconsolidated Entities (Textual) [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |
Proceeds from Equity Method Investment, Distribution | $ 27,700,000 |  |  |  |  |  |  |  |  |  |  |  |
Income from unconsolidated entities |  |  | $ 27,700,000 |  |  |  |  |  |  |  |  |  |
Rental Property Joint Venture Woburn MA [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Investments in and Advances to Unconsolidated Entities (Textual) [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |
Real Estate Investment Property, at Cost |  |  |  | $ 15,900,000 |  |  |  | $ 15,900,000 |  |  |  |  |
Variable Interest Entity, Qualitative or Quantitative Information, Ownership Percentage |  |  |  | 85.00% |  |  |  |  |  |  |  |  |
Noncontrolling Interest in Variable Interest Entity |  |  |  | 15.00% |  |  |  | 15.00% |  |  |  |  |
Variable Interest Entity, Primary Beneficiary [Member] | Rental Property Joint Venture Woburn MA [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Investments in and Advances to Unconsolidated Entities (Textual) [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |
Variable Interest Entity, Consolidated, Carrying Amount, Assets |  |  |  | $ 18,700,000 |  |  |  | $ 18,700,000 |  |  |  |  |
Noncontrolling Interest in Variable Interest Entity |  |  |  | $ 2,800,000 |  |  |  | $ 2,800,000 |  |  |  |  |

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- Definition Investments in and advances to unconsolidated entities. + References No definition available. + Details
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- Definition Represents the excess (deficiency) of revenue from the sale of land over the cost to acquire, which is recognized in other nonoperating income. + References No definition available. + Details
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- Definition The number of joint ventures which were determined to be variable interest entities (VIEs) but the Company. However, the Company determined it was not the primary beneficiary of the VIEs and therefore these entities were not consolidated. + References No definition available. + Details
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- Definition Period of time between issuance and maturity of debt instrument, in PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References No definition available. + Details
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- Definition This element represents disclosure of the amount of gain which has been deferred as the result of the sale of a business or operating assets to a highly leveraged entity which deferred gain has been reflected in the accompanying statement of financial position as reduction from the related asset. + References No definition available. + Details
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- Definition Amount of distribution received from equity method investee for return on investment, classified as operating activities. Excludes distribution for return of investment, classified as investing activities. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 225 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-04(10)) -URI http://asc.fasb.org/extlink&oid=6879464&loc=d3e573970-122913 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=98514028&loc=d3e3602-108585 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 225 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03(12)) -URI http://asc.fasb.org/extlink&oid=63488584&loc=d3e20235-122688 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 21D -URI http://asc.fasb.org/extlink&oid=98514028&loc=SL94080555-108585 + Details
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- Definition The percentage of ownership of common stock or equity participation in the investee accounted for under the equity method of accounting. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 323 -SubTopic 10 -Section 50 -Paragraph 3 -Subparagraph (a)(1) -URI http://asc.fasb.org/extlink&oid=66011266&loc=d3e33918-111571 + Details
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- Definition Amount of gain (loss) on sale or disposal of an equity method investment. + References No definition available. + Details
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- Definition The amount of revenue from sale of goods and services reduced by sales returns, allowances, and discounts reported by an equity method investment of the entity. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 205 -SubTopic 20 -Section 50 -Paragraph 7 -URI http://asc.fasb.org/extlink&oid=64827811&loc=SL51721683-107760 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 323 -SubTopic 10 -Section 50 -Paragraph 3 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=66011266&loc=d3e33918-111571 + Details
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- Definition The amount by which the fair value of an investment is less than the amortized cost basis or carrying amount of that investment at the balance sheet date and the decline in fair value is deemed to be other than temporary, before considering whether or not such amount is recognized in earnings or other comprehensive income. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=98514028&loc=d3e3602-108585 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 35 -Paragraph 34 -URI http://asc.fasb.org/extlink&oid=82895926&loc=d3e25351-111560 + Details
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- Definition This item represents the entity's proportionate share for the period of the net income (loss) of its investee (such as unconsolidated subsidiaries and joint ventures) to which the equity method of accounting is applied. This item includes income or expense related to stock-based compensation based on the investor's grant of stock to employees of an equity method investee. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 225 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03(12)) -URI http://asc.fasb.org/extlink&oid=63488584&loc=d3e20235-122688 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 225 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-04(10)) -URI http://asc.fasb.org/extlink&oid=6879464&loc=d3e573970-122913 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=98514028&loc=d3e3602-108585 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 323 -SubTopic 10 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=66022249&loc=d3e33749-111570 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 225 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-04(13)(f)) -URI http://asc.fasb.org/extlink&oid=6879574&loc=d3e536633-122882 + Details
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- Definition Carrying amount net of impairment reserves as of the balance sheet date primarily consisting of deposits for land purchases (including option payments), related acquisition costs, and land which is not expected to be developed in the next two years. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.6(a)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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- Definition Total investments in (A) an entity in which the entity has significant influence, but does not have control, (B) subsidiaries that are not required to be consolidated and are accounted for using the equity and or cost method, and (C) an entity in which the reporting entity shares control of the entity with another party or group. Includes long-term advances receivable from a party that is affiliated with the reporting entity by means of direct or indirect ownership. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.12) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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- Definition Revenue from the sale of land in the reporting period. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 225 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.1(e)) -URI http://asc.fasb.org/extlink&oid=63488584&loc=d3e20235-122688 + Details
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- Definition The carrying value as of the balance sheet date of the current and noncurrent portions of long-term obligations drawn from a line of credit, which is a bank's commitment to make loans up to a specific amount. Examples of items that might be included in the application of this element may consist of letters of credit, standby letters of credit, and revolving credit arrangements, under which borrowings can be made up to a maximum amount as of any point in time conditional on satisfaction of specified terms before, as of and after the date of drawdowns on the line. Includes short-term obligations that would normally be classified as current liabilities but for which (a) postbalance sheet date issuance of a long term obligation to refinance the short term obligation on a long term basis, or (b) the enterprise has entered into a financing agreement that clearly permits the enterprise to refinance the short-term obligation on a long term basis and the following conditions are met (1) the agreement does not expire within 1 year and is not cancelable by the lender except for violation of an objectively determinable provision, (2) no violation exists at the BS date, and (3) the lender has entered into the financing agreement is expected to be financially capable of honoring the agreement. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(22)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03(16)) -URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03(16)) -URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878 + Details
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- Definition Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.19(b),22(b)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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- Definition Amount, after unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03(a)(16)) -URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03(16)) -URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(22)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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- Definition Revenue, comprised of base and incentive revenue derived from the management of joint ventures, managing third-party properties, or another entity's operations. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 225 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.1(d)) -URI http://asc.fasb.org/extlink&oid=63488584&loc=d3e20235-122688 + Details
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- Definition The equity interest of noncontrolling shareholders, partners or other equity holders in consolidated entity. + References No definition available. + Details
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- Definition Portion of equity (net assets) in a variable interest entity (VIE) not attributable, directly or indirectly, to the parent entity. That is, this is the portion of equity in a VIE that is attributable to the noncontrolling interest (previously referred to as minority interest). + References No definition available. + Details
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- Definition The cash outflow from the acquisition of a piece of land and anything permanently fixed to it, including buildings, structures on it and so forth, and payments to develop real estate assets by adding improvements on or to a parcel of land. Such improvements may include drainage, utilities, subdividing, access, buildings, and any combination of these elements. Including real estate intended to generate income for the owner; excluding real estate acquired for use by the owner. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 13 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=98514028&loc=d3e3213-108585 + Details
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- Definition The cash inflow associated with the sale of equity method investments, which are investments in joint ventures and entities in which the entity has an equity ownership interest normally of 20 to 50 percent and exercises significant influence. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 12 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=98514028&loc=d3e3179-108585 + Details
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- Definition Amount of deferred gross profit, realized on retail land sale transaction accounted for under the installment method. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 360 -SubTopic 20 -Section 55 -Paragraph 10 -URI http://asc.fasb.org/extlink&oid=95464485&loc=d3e6772-110236 + Details
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- Definition The carrying amount of the consolidated Variable Interest Entity's assets included in the reporting entity's statement of financial position. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 810 -SubTopic 10 -Section 50 -Paragraph 3 -Subparagraph (bb) -URI http://asc.fasb.org/extlink&oid=77990344&loc=d3e5710-111685 + Details
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