Debt Instrument, Issuance Price, Percentage

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- Definition

Debt Instrument, Redemption Notice, Period

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Debt Instrument, Redemption Period

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Debt Instrument, Redemption of Principal Amount, Maximum Percentage

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- Definition

Debt Instrument, Yield to Maturity Percentage

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- Definition

Ownership Percentage in Foreign Subsidiary

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- Definition

Amount of noncash expense included in interest expense to amortize debt discount and premium associated with the related debt instruments. Excludes amortization of financing costs. Alternate captions include noncash interest expense.

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Amount of amortization expense attributable to debt issuance costs.

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- Definition

Face (par) amount of debt instrument at time of issuance.

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- Definition

Contractual interest rate for funds borrowed, under the debt agreement.

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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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- Definition

Percentage price of original principal amount of debt at which debt can be redeemed by the issuer.

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Fair value amount of debt instrument that was repurchased.

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Face (par) amount of the original debt instrument that was repurchased.

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- Definition

Amount, before accumulated amortization, of debt issuance costs. Includes, but is not limited to, legal, accounting, underwriting, printing, and registration costs.

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Amount of gain (loss) from the difference between the repurchase price of a debt instrument initially issued by the entity and the net carrying amount of the debt at the time of its repurchase.

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- Definition

The cash outflow for loan and debt issuance costs.

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The cash inflow from amounts received from issuance of long-term debt that is wholly or partially secured by collateral. Excludes proceeds from tax exempt secured debt.

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Debt - 6.875% Senior Secured Notes (Details) - USD ($)			3 Months Ended	12 Months Ended
Debt - 6.875% Senior Secured Notes (Details) - USD ($)	Mar. 13, 2015	Mar. 10, 2015	Mar. 31, 2016	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014	Jun. 30, 2016
Debt Instrument [Line Items]
Proceeds from issuance of debt, net				$ 0	$ 494,810,000	$ 0
Accelerated amortization of debt issuance costs				$ 3,206,000	3,537,000	$ 3,665,000
Other Assets \| Related Parties
Debt Instrument [Line Items]
Deferred debt costs					$ 11,300,000
Senior Secured Notes \| 6.875% Senior Secured Notes
Debt Instrument [Line Items]
Interest rate (percent)	6.875%	6.875%		6.875%	6.875%		6.875%
Issuance of debt, percentage		98.962%
Proceeds from issuance of debt, net		$ 494,800,000
Yield to maturity, percentage		7.083%		7.59%
Percentage in voting equity interests of controlled foreign subsidiaries	66.00%
Redemption period		12 months
Redemption price percentage		106.875%
Repurchase of debt, par value amount			$ 35,000,000.0
Repurchase of debt			31,200,000
Accelerated original issue discount			300,000
Accelerated amortization of debt issuance costs			700,000
Senior Secured Notes \| 6.875% Senior Secured Notes \| Investment Income and Other, Net
Debt Instrument [Line Items]
Pretax gain from repurchase of debt			$ 3,700,000
Senior Secured Notes \| 6.875% Senior Secured Notes \| Related Parties
Debt Instrument [Line Items]
Payment of issuance costs to related party		$ 11,300,000
Senior Secured Notes \| 6.875% Senior Secured Notes \| Other Assets
Debt Instrument [Line Items]
Deferred debt costs		$ 12,600,000
Senior Secured Notes \| 6.875% Senior Secured Notes \| Prior to March 15, 2017
Debt Instrument [Line Items]
Redemption price percentage		100.00%
Maximum redemption percentage of principal amount		40.00%
Senior Secured Notes \| 6.875% Senior Secured Notes \| Minimum
Debt Instrument [Line Items]
Redemption notice, period		30 days
Senior Secured Notes \| 6.875% Senior Secured Notes \| Maximum
Debt Instrument [Line Items]
Redemption notice, period		60 days
Senior Secured Notes \| 6.875% Senior Secured Notes \| Jefferies LLC
Debt Instrument [Line Items]
Interest rate (percent)		6.875%
Aggregate principal amount		$ 500,000,000
Senior Secured Notes \| 6.875% Indenture
Debt Instrument [Line Items]
Interest rate (percent)	6.875%