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The recorded balance, net of any applicable reductions (for example, unamortized accretable yield and allowance for loan losses). This relates to loans not accounted for debt securities with evidence of deterioration of credit quality since origination that were acquired by completion of a transfer for which it is probable, at acquisition, that the investor will be unable to collect all contractually required payments receivable.

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Fair value portion of borrowing which can be exchanged for a specified number of another security at the option of the issuer or the holder, for example, but not limited to, the entity's common stock.

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No definition available.

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Including the current and noncurrent portions, carrying value as of the balance sheet date of a written promise to pay a note, initially due after one year or beyond the operating cycle if longer, which can be exchanged for a specified amount of one or more securities (typically common stock), at the option of the issuer or the holder.

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Fair value portion of debt instrument payable, including, but not limited to, notes payable and loans payable.

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Net amount of other deferred costs capitalized at the end of the reporting period. Does not include deferred finance costs or deferred acquisition costs of insurance companies.

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Fair value portion of receivables, including, but not limited to, trade account receivables, note receivables, and loan receivables.

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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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Fair Value Measurements - Financial Instruments Not Required to be Carried at Fair Value (Details) - USD ($) $ in Thousands	Mar. 31, 2020	Jan. 01, 2020	Dec. 31, 2019	Mar. 31, 2019	Dec. 31, 2018
Financial Assets
Investment in receivable portfolios, carrying value	$ 3,166,018	$ 3,328,150	$ 3,283,984	$ 3,211,587	$ 3,137,893
Deferred court costs, net	0		100,172
Financial Liabilities
Convertible senior notes, carrying value	672,855		672,855
Senior secured notes, carrying value	292,500		308,750
Senior Notes
Financial Liabilities
Convertible senior notes, carrying value	645,591		642,547
Secured Debt
Financial Liabilities
Senior secured notes, carrying value	1,078,965		1,129,039
Cabot Senior Secured Notes \| Senior Notes
Financial Liabilities
Senior secured notes, carrying value	1,078,965		1,129,039
Cabot Senior Secured Notes \| Secured Debt
Financial Liabilities
Senior secured notes, carrying value	1,077,548		1,127,435
Fair Value
Financial Assets
Deferred court costs, net	0		100,172
Fair Value \| Senior Notes
Financial Liabilities
Convertible senior notes, fair value	567,691		693,708
Fair Value \| Cabot Senior Secured Notes \| Secured Debt
Financial Liabilities
Senior secured notes, fair value	996,060		1,170,945
Fair Value \| Certain Loans Acquired in Transfer Not Accounted for as Debt Securities
Financial Assets
Investment in receivable portfolios, fair value	$ 3,547,965		$ 3,464,050