Debt - Components of Debt (Detail) - USD ($) $ in Thousands	Dec. 31, 2017	Dec. 31, 2016
Debt Instrument [Line Items]
Other debt	$ 92,792	$ 62,594
Senior secured notes	326,029	11,320
Encore convertible notes	483,500	448,500
Less: debt discount	(32,720)	(31,968)
Preferred equity certificates	253,324	205,975
Capital lease obligations	6,069	5,091
Debt and capital lease obligations, before debt issuance costs	3,492,999	2,847,637
Less: debt issuance costs, net of amortization	(46,123)	(41,654)
Debt and capital lease obligations, total	3,446,876	2,805,983
Encore revolving credit facility
Debt Instrument [Line Items]
Outstanding borrowings for credit facility	328,961	578,000
Cabot senior revolving credit facility
Debt Instrument [Line Items]
Outstanding borrowings for credit facility	179,008	33,218
Cabot securitisation senior facility
Debt Instrument [Line Items]
Outstanding borrowings for credit facility	391,790	0
Other credit facilities
Debt Instrument [Line Items]
Outstanding borrowings for credit facility	68,001	74,565
Cabot Senior Secured Notes
Debt Instrument [Line Items]
Senior secured notes	1,216,485	1,280,241
Less: debt discount	(1,927)	(2,200)
Add: debt premium	0	17,686
Term Loan
Debt Instrument [Line Items]
Other debt	$ 181,687	$ 164,615

Long-term Debt and Capital Lease Obligations, Including Current Maturities, Gross of Debt Issuances Costs

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- Definition

Preferred Equity Certificates

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- Definition

Amount equal to the present value (the principal) at the beginning of the lease term of minimum lease payments during the lease term (excluding that portion of the payments representing executory costs such as insurance, maintenance, and taxes to be paid by the lessor, together with any profit thereon) net of payments or other amounts applied to the principal through the balance sheet date.

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- Definition

Sum of the carrying values as of the balance sheet date of all debt, including all short-term borrowings, long-term debt, and capital lease obligations.

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- Definition

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

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- Definition

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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No definition available.

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- Definition

Amount, after accumulated amortization, of debt discount.

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- Definition

Amount, after accumulated amortization, of debt premium.

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- Definition

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

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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.

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- Definition

Amount of long-term debt classified as other.

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- Definition

Including the current and noncurrent portions, carrying value as of the balance sheet date of Notes with the highest claim on the assets of the issuer in case of bankruptcy or liquidation (with maturities initially due after one year or beyond the operating cycle if longer). Senior note holders are paid off in full before any payments are made to junior note holders.

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