Home sites sold

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Investments in and advances to unconsolidated entities.

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Represents the excess (deficiency) of revenue from the sale of land over the cost to acquire, which is recognized in other nonoperating income.

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No definition available.

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Non cash transfer of other assets to investment in unconsolidated entities.

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No definition available.

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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.

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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.

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No definition available.

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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.

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The percentage of ownership of common stock or equity participation in the investee accounted for under the equity method of accounting.

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Amount of gain (loss) on sale or disposal of an equity method investment.

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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.

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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.

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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.

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Revenue from the sale of land in the reporting period.

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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.

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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.

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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.

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Revenue, comprised of base and incentive revenue derived from the management of joint ventures, managing third-party properties, or another entity's operations.

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The number of real estate properties owned as of the balance sheet date.

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No definition available.

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The number of units in a real estate property owned as of the balance sheet date.

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No definition available.

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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.

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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.

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Amount of deferred gross profit, realized on retail land sale transaction accounted for under the installment method.

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Investments in Unconsolidated Entities (Details Textual)	1 Months Ended	3 Months Ended				6 Months Ended		12 Months Ended
	May 31, 2018 USD ($)	Apr. 30, 2018 USD ($) joint_ventures Homes_sold rental_units home_sites	Jan. 31, 2018 USD ($)	Apr. 30, 2017 USD ($) Homes_sold home_sites	Jan. 31, 2017 USD ($)	Apr. 30, 2018 USD ($) joint_ventures Homes_sold rental_units home_sites	Apr. 30, 2017 USD ($) Homes_sold home_sites	Oct. 31, 2017 USD ($)	May 10, 2018 USD ($)	Nov. 01, 2017 USD ($)	Apr. 28, 2017 USD ($)
Investments in and Advances to Unconsolidated Entities (Textual) [Abstract]
Land Sales		$ 38,218,000		$ 2,123,000		$ 45,186,000	$ 146,837,000
Land sales earnings, net		2,587,000		1,527,000		3,287,000	5,086,000
Equity Method Investment, Summarized Financial Information, Revenue		82,663,000		205,024,000		276,284,000	500,727,000
Proceeds from Equity Method Investment, Distribution						39,508,000	108,864,000
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		456,762,000				456,762,000		$ 481,758,000
Line of Credit Facility, Maximum Borrowing Capacity		1,642,079,000				1,642,079,000
Long-term Line of Credit		1,170,361,000				1,170,361,000
Management Fees Revenue		$ 4,354,000		$ 3,682,000		$ 7,425,000	$ 7,971,000
Land Development Joint Ventures [Member]
Investments in and Advances to Unconsolidated Entities (Textual) [Abstract]
Home sites sold \| home_sites		200		206		449	509
Land Sales		$ 62,600,000		$ 44,600,000		$ 102,800,000	$ 100,800,000
Line of Credit Facility, Maximum Borrowing Capacity		198,500,000				198,500,000
Long-term Line of Credit		$ 184,834,000				$ 184,834,000
Home Building Joint Ventures, Total [Member]
Investments in and Advances to Unconsolidated Entities (Textual) [Abstract]
Home sites sold \| Homes_sold		26		56		54	143
Equity Method Investment, Summarized Financial Information, Revenue		$ 35,400,000		$ 153,200,000		$ 67,900,000	$ 370,600,000
Line of Credit Facility, Maximum Borrowing Capacity		381,441,000				381,441,000
Long-term Line of Credit		$ 217,273,000				$ 217,273,000
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		$ 1,062,138,000				$ 1,062,138,000
Long-term Line of Credit		$ 768,254,000				$ 768,254,000
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		$ 0				$ 0
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		$ 0				0
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%
Land Development Joint Ventures [Member]
Investments in and Advances to Unconsolidated Entities (Textual) [Abstract]
Other than Temporary Impairment Losses, Investments		$ 0		$ 2,000,000		$ 0	$ 2,000,000
Investments in and Advance to Affiliates, Subsidiaries, Associates, and Joint Ventures		$ 222,099,000				$ 222,099,000
Land Development Joint Ventures [Member] \| Equity Method Investee [Member]
Investments in and Advances to Unconsolidated Entities (Textual) [Abstract]
Home sites sold \| home_sites		25		60		55	162
Equity Method Investment, Summarized Financial Information, Revenue		$ 4,200,000		$ 21,200,000		$ 7,300,000	$ 46,200,000
Equity Method Investment, Deferred Gain on Sale		400,000		3,300,000		900,000	7,000,000
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				3,834,000
Payments to Acquire and Develop Real Estate			27,400,000
Investments in and Advance to Affiliates, Subsidiaries, Associates, and Joint Ventures		11,000,000				$ 11,000,000
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
Equity Method Investment, Ownership Percentage		50.00%				50.00%
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		$ 15,600,000				15,600,000
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		$ 6,500,000				$ 6,500,000
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		$ 2,700,000				$ 2,700,000
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		400,000		$ 1,200,000	800,000
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		$ 14,191,000				$ 14,191,000
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		2,800				2,800
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		1,550				1,550
In Planning Phase [Member]
Investments in and Advances to Unconsolidated Entities (Textual) [Abstract]
Number of Units in Real Estate Property \| rental_units		10,300				10,300
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
Subsequent Event [Member] \| Rental Property Joint Venture Westborough MA [Member]
Investments in and Advances to Unconsolidated Entities (Textual) [Abstract]
Land Sales	$ 65,500,000
Subsequent Event [Member] \| 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	$ 8,600,000
Subsequent Event [Member] \| 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