Equity investments in and loans to related funds, in aggregate.

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Tax Receivable, Related Parties, Current

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Amount for accounts payable to related parties. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).

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Amount of receivables arising from transactions with related parties due within one year or the normal operating cycle, if longer.

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For an unclassified balance sheet, reflects the carrying amount of unpaid loan amounts due from related parties at the balance sheet date.

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The minimum amount the entity agreed to spend under the long-term purchase commitment.

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Total of all stockholders' equity (deficit) items, net of receivables from officers, directors, owners, and affiliates of the entity which is directly or indirectly attributable to that ownership interest in subsidiary equity which is not attributable to the parent (that is, noncontrolling interest, previously referred to as minority interest).

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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Amount of revenue, fees and commissions earned from transactions between (a) a parent company and its subsidiaries; (b) subsidiaries of a common parent; (c) an entity and trusts for the benefit of employees, for example, but not limited to, pension and profit-sharing trusts that are managed by or under the trusteeship of the entity's management; (d) an entity and its principal, owners, management, or members of their immediate families; and (e) affiliates.

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Cost of investments in equity securities and other forms of securities that provide ownership interests classified as trading.

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Related Party Transactions - Additional Information (Detail) - USD ($) $ in Thousands	1 Months Ended		3 Months Ended		9 Months Ended		12 Months Ended
	Jul. 31, 2016	Mar. 31, 2016	Aug. 31, 2016	Aug. 31, 2015	Aug. 31, 2016	Aug. 31, 2015	Nov. 30, 2015
Related Party Transaction [Line Items]
Purchase commitments from Berkadia Commercial Mortgage, LLC					$ 685,000		$ 752,400
Loans outstanding to certain employees			$ 40,700		40,700		28,300
Noncontrolling interests			5,190		5,190		27,468
Leucadia Funding LLC [Member]
Related Party Transaction [Line Items]
Capital contribution	$ 30,000
Leucadia [Member]
Related Party Transaction [Line Items]
Noncontrolling interests							26,300
Capital contribution		$ 114,000
Leucadia [Member] \| Other Assets [Member]
Related Party Transaction [Line Items]
Tax receivable			146,300		146,300		109,500
Harbinger Group Inc [Member]
Related Party Transaction [Line Items]
Unsettled purchases and sales of loans							261,600
Harbinger Group Inc [Member] \| Investment Banking [Member]
Related Party Transaction [Line Items]
Revenue from related parties						$ 1,300
Leucadia [Member]
Related Party Transaction [Line Items]
Revenue from related parties			5,100	$ 11,000	19,600	$ 22,200
Due from related party			2,100		2,100		10,200
Due to related party			3,300		3,300		600
Private Equity Related Funds [Member] \| Affiliated Entity [Member]
Related Party Transaction [Line Items]
Equity investments loans in related funds			$ 38,400		$ 38,400		$ 39,600