The price per share of the conversion feature embedded in the debt instrument.

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- Definition

Ratio applied to the conversion of debt instrument into equity with equity shares divided by debt principal amount.

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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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- 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.

+ References

No definition available.

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- Definition

Gross amount of debt extinguished.

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No definition available.

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- Definition

Price of a single share of a number of saleable stocks of a company.

+ References

No definition available.

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Borrowings - Encore Convertible Notes and Exchangeable Notes (Details) $ / shares in Units, $ in Thousands	1 Months Ended	3 Months Ended
	Sep. 30, 2019 USD ($)	Mar. 31, 2020 USD ($) $ / shares	Dec. 31, 2019 USD ($)
Debt Instrument [Line Items]
Debt issued \| $		$ 672,855	$ 672,855
Convertible Notes \| 2020 Convertible Notes
Debt Instrument [Line Items]
Debt issued \| $		$ 89,355	89,355
Stated interest rate (as a percent)		3.00%
Extinguishment of debt \| $	$ 83,100
Initial conversion price (USD per share)		$ 45.72
Closing stock price at date of issuance (in dollars per share)		$ 33.35
Conversion rate (shares per $1,000 principal amount)		0.0218718
Convertible Notes \| 2021 Convertible Notes
Debt Instrument [Line Items]
Debt issued \| $		$ 161,000	161,000
Stated interest rate (as a percent)		2.875%
Initial conversion price (USD per share)		$ 59.39
Closing stock price at date of issuance (in dollars per share)		$ 47.51
Conversion rate (shares per $1,000 principal amount)		0.0168386
Convertible Notes \| 2022 Convertible Notes
Debt Instrument [Line Items]
Debt issued \| $		$ 150,000	150,000
Stated interest rate (as a percent)		3.25%
Initial conversion price (USD per share)		$ 45.57
Closing stock price at date of issuance (in dollars per share)		$ 35.05
Conversion rate (shares per $1,000 principal amount)		0.0219467
Convertible Notes \| 2023 Exchangeable Notes
Debt Instrument [Line Items]
Initial conversion price (USD per share)		$ 44.62
Closing stock price at date of issuance (in dollars per share)		$ 36.45
Conversion rate (shares per $1,000 principal amount)		0.022409
Convertible Notes \| 2025 Convertible Notes
Debt Instrument [Line Items]
Debt issued \| $		$ 100,000	100,000
Stated interest rate (as a percent)		3.25%
Initial conversion price (USD per share)		$ 40.00
Closing stock price at date of issuance (in dollars per share)		$ 32.00
Conversion rate (shares per $1,000 principal amount)		0.025
Term Loan Facility \| 2023 Exchangeable Notes
Debt Instrument [Line Items]
Debt issued \| $		$ 172,500	$ 172,500
Stated interest rate (as a percent)		4.50%
Initial conversion price (USD per share)		$ 44.62