Debt - Narrative (Details) - 6.25% senior convertible notes due 2022 - Convertible Notes	Jan. 23, 2017 USD ($) $ / shares	Mar. 31, 2020 USD ($)	Dec. 31, 2019 USD ($)
Debt Instrument [Line Items]
Face amount	$ 138,000,000.0
Interest rate	6.25%
Proceeds from sale of Convertible Notes	$ 127,000,000.0
Debt issuance cost, percentage	8.24%
Discount and deferred charges, net		$ 4,500,000	$ 5,000,000.0
Notes issued, percentage of principle	96.00%
Conversion ratio	0.1427144
Conversion price (in dollars per share) \| $ / shares	$ 7.01

Debt Instrument, Issuance Percentage of Face Amount

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- Definition

Debt Issuance Cost, Percentage

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- Definition

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

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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

Amount of unamortized debt discount (premium) and debt issuance costs.

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The cash inflow from the issuance of a long-term debt instrument which can be exchanged for a specified amount of another security, typically the entity's common stock, at the option of the issuer or the holder.

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