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Statement - CONSOLIDATED STATEMENTS OF CASH FLOWS link:presentationLink link:calculationLink link:definitionLink 1005001 - Statement - CONSOLIDATED STATEMENTS OF CASH FLOWS (Parenthetical) link:presentationLink link:calculationLink link:definitionLink 1004000 - Statement - CONSOLIDATED STATEMENTS OF CHANGES IN EQUITY link:presentationLink link:calculationLink link:definitionLink 1003000 - Statement - CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME link:presentationLink link:calculationLink link:definitionLink 1003501 - Statement - CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (Parenthetical) link:presentationLink link:calculationLink link:definitionLink 1002000 - Statement - CONSOLIDATED STATEMENTS OF EARNINGS link:presentationLink link:calculationLink link:definitionLink 1001000 - Statement - CONSOLIDATED STATEMENTS OF FINANCIAL CONDITION link:presentationLink link:calculationLink link:definitionLink 1001501 - Statement - CONSOLIDATED STATEMENTS OF FINANCIAL CONDITION (Parenthetical) link:presentationLink link:calculationLink link:definitionLink 0001000 - Document - Cover link:presentationLink link:calculationLink link:definitionLink 2105100 - Disclosure - Derivative Financial Instruments link:presentationLink link:calculationLink link:definitionLink 2405407 - Disclosure - Derivative Financial Instruments - Contingent Features (Details) link:presentationLink link:calculationLink link:definitionLink 2405405 - Disclosure - Derivative Financial Instruments - Counterparty Credit Quality with Respect to Fair Value of OTC Derivatives Assets (Details) link:presentationLink link:calculationLink link:definitionLink 2405406 - Disclosure - Derivative Financial Instruments - External Credit Ratings of Underlyings or Referenced Assets (Details) link:presentationLink link:calculationLink link:definitionLink 2405402 - Disclosure - Derivative Financial Instruments - Fair Value and Related Number of Derivative Contracts Categorized by Type of Derivative Contract (Details) link:presentationLink link:calculationLink link:definitionLink 2405404 - Disclosure - Derivative Financial Instruments - Remaining Contract Maturity of Fair Value of OTC Derivative Assets and Liabilities (Details) link:presentationLink link:calculationLink link:definitionLink 2305301 - Disclosure - Derivative Financial Instruments (Tables) link:presentationLink link:calculationLink link:definitionLink 2405403 - Disclosure - Derivative Financial Instruments - Unrealized and Realized Gains (Losses) on Derivative Contracts (Details) link:presentationLink link:calculationLink link:definitionLink 2104100 - Disclosure - Fair Value Disclosures link:presentationLink link:calculationLink link:definitionLink 2404405 - Disclosure - Fair Value Disclosures - Additional Information (Details) link:presentationLink link:calculationLink link:definitionLink 2404409 - Disclosure - Fair Value Disclosures - Assets and Liabilities Measured at Fair Value on a Non-recurring Basis (Details) link:presentationLink link:calculationLink link:definitionLink 2404402 - Disclosure - Fair Value Disclosures - Financial Assets and Liabilities Accounted for at Fair Value on Recurring Basis (Details) link:presentationLink link:calculationLink link:definitionLink 2404403 - Disclosure - Fair Value Disclosures - Investments Measured at Fair Value Based on Net Asset Value Per Share (Details) link:presentationLink link:calculationLink link:definitionLink 2404404 - Disclosure - Fair Value Disclosures - Level 3 Rollforwards (Details) link:presentationLink link:calculationLink link:definitionLink 2404406 - Disclosure - Fair Value Disclosures - Quantitative Information about Significant Unobservable Inputs Used in Level 3 Fair Value Measurements (Details) link:presentationLink link:calculationLink link:definitionLink 2404408 - Disclosure - Fair Value Disclosures - Summary of Amount by Which Contractual Principal Exceeds Fair Value for Loans and Other Receivables Measured at Fair Value under Fair Value Option (Details) link:presentationLink link:calculationLink link:definitionLink 2404407 - Disclosure - Fair Value Disclosures - Summary of Gains (Losses) Due to Changes in Instrument Specific Credit Risk for Loans and Other Receivables and Loan Commitments Measured at Fair Value under Fair Value Option (Details) link:presentationLink link:calculationLink link:definitionLink 2304301 - Disclosure - Fair Value Disclosures (Tables) link:presentationLink link:calculationLink link:definitionLink 2110100 - Disclosure - Goodwill and Intangible Assets link:presentationLink link:calculationLink link:definitionLink 2410405 - Disclosure - Goodwill and Intangible Assets - Future Amortization Expense Related to Intangible Assets (Details) link:presentationLink link:calculationLink link:definitionLink 2410404 - Disclosure - Goodwill and Intangible Assets Goodwill and Intangible Assets - Additional Information (Details) link:presentationLink link:calculationLink link:definitionLink 2410402 - Disclosure - Goodwill and Intangible Assets - Schedule of Goodwill (Details) link:presentationLink link:calculationLink link:definitionLink 2410403 - 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Disclosure - Income Taxes - Roll Forward of Gross Unrecognized Tax Benefits (Details) link:presentationLink link:calculationLink link:definitionLink 2426408 - Disclosure - Income Taxes - Significant Components of Deferred Tax Assets and Liabilities (Details) link:presentationLink link:calculationLink link:definitionLink 2326301 - Disclosure - Income Taxes (Tables) link:presentationLink link:calculationLink link:definitionLink 2426402 - Disclosure - Income Taxes - Total Income Taxes Allocated (Details) link:presentationLink link:calculationLink link:definitionLink 2109100 - Disclosure - Investments link:presentationLink link:calculationLink link:definitionLink 2409402 - Disclosure - Investments - Additional Information (Details) link:presentationLink link:calculationLink link:definitionLink 2409405 - Disclosure - Investments - Berkadia - Narrative (Details) link:presentationLink link:calculationLink link:definitionLink 2409409 - Disclosure - Investments - Epic Gas - Narrative (Details) link:presentationLink link:calculationLink link:definitionLink 2409407 - 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Additional Information (Details) link:presentationLink link:calculationLink link:definitionLink 2428402 - Disclosure - Net Capital Requirements - Schedule of Net Capital and Excess Net Capital (Details) link:presentationLink link:calculationLink link:definitionLink 2328301 - Disclosure - Net Capital Requirements (Tables) link:presentationLink link:calculationLink link:definitionLink 2101100 - Disclosure - Organization and Basis of Presentation link:presentationLink link:calculationLink link:definitionLink 2401401 - Disclosure - Organization and Basis of Presentation (Details) link:presentationLink link:calculationLink link:definitionLink 2130100 - Disclosure - Related Party Transactions link:presentationLink link:calculationLink link:definitionLink 2430404 - Disclosure - Related Party Transactions - HRG Group Inc. (Details) link:presentationLink link:calculationLink link:definitionLink 2430403 - Disclosure - Related Party Transactions - Jefferies (Details) link:presentationLink link:calculationLink link:definitionLink 2430402 - Disclosure - Related Party Transactions - Officers, Directors and Employees (Details) link:presentationLink link:calculationLink link:definitionLink 2330301 - Disclosure - Related Party Transactions (Tables) link:presentationLink link:calculationLink link:definitionLink 2113100 - Disclosure - Revenues from Contracts with Customers link:presentationLink link:calculationLink link:definitionLink 2413404 - Disclosure - Revenues from Contracts with Customers - Additional Information (Details) link:presentationLink link:calculationLink link:definitionLink 2413402 - Disclosure - Revenues from Contracts with Customers - Components of Revenue (Details) link:presentationLink link:calculationLink link:definitionLink 2413403 - Disclosure - Revenues from Contracts with Customers - Disaggregation of Revenue (Details) link:presentationLink link:calculationLink link:definitionLink 2313301 - 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Net Revenues, Expenses and Total Assets by Segment (Details) link:presentationLink link:calculationLink link:definitionLink 2329301 - Disclosure - Segment Reporting (Tables) link:presentationLink link:calculationLink link:definitionLink 2132100 - Disclosure - Selected Quarterly Financial Data (Unaudited) link:presentationLink link:calculationLink link:definitionLink 2432402 - Disclosure - Selected Quarterly Financial Data (Unaudited) - Summary of Unaudited Quarterly Statements of Earnings (Details) link:presentationLink link:calculationLink link:definitionLink 2332301 - Disclosure - Selected Quarterly Financial Data (Unaudited) (Tables) link:presentationLink link:calculationLink link:definitionLink 2111100 - Disclosure - Short-Term Borrowings link:presentationLink link:calculationLink link:definitionLink 2411402 - Disclosure - Short-Term Borrowings (Details) link:presentationLink link:calculationLink link:definitionLink 2311301 - Disclosure - Short-Term Borrowings (Tables) link:presentationLink link:calculationLink link:definitionLink 2102100 - 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Disclosure - Variable Interest Entities (Tables) link:presentationLink link:calculationLink link:definitionLink 2408403 - Disclosure - Variable Interest Entities - Variable Interests in Non-Consolidated Variable Interest Entities (Details) link:presentationLink link:calculationLink link:definitionLink