The amount of derivative cap price per share.

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- Definition

Percentage of Premium over the last reported sale price of the Company?s common stock.

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No definition available.

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The amount of stock issuance cost.

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

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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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Nominal or face amount used to calculate payment on derivative.

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The cash inflow from parent as a source of financing that is recorded as additional paid in capital.

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

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No definition available.

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Number of new stock issued during the period.

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Convertible Senior Notes - Capped Call and Common Stock Forward (Details) - USD ($) $ / shares in Units, $ in Thousands		1 Months Ended		6 Months Ended
	May 18, 2020	May 31, 2020	Mar. 31, 2019	Jun. 30, 2020	May 29, 2020	Dec. 31, 2019	Sep. 30, 2019	Mar. 31, 2018
Capped Call and Common Stock Forward
Share Price			$ 2.35
Common stock shares issued			10,000,000
Capped Call
Capped Call and Common Stock Forward
Capped call options amount							$ 16,000
Common Stock Forward
Capped Call and Common Stock Forward
Common stock shares issued				14,397,906
3.75% Convertible Senior Notes
Capped Call and Common Stock Forward
Principal amount	$ 200,000			$ 212,463	$ 12,500
Share Price				$ 8.21
3.75% Convertible Senior Notes \| Capped Call
Capped Call and Common Stock Forward
Capped call options amount	$ 16,200
Cap price	$ 6.7560
Premium (as a percent)	60.00%
Share Price	$ 4.11
5.5% Convertible Senior Notes
Capped Call and Common Stock Forward
Principal amount	$ 100,000	$ 1,000		$ 33,660		$ 100,000		$ 100,000
Share Price				$ 8.21
5.5% Convertible Senior Notes \| Capped Call
Capped Call and Common Stock Forward
Cap price		$ 3.82
Premium (as a percent)		100.00%
Share Price		$ 1.91
Recorded in additional paid-in capital		$ 24,200
7.5% Convertible Senior Note
Capped Call and Common Stock Forward
Principal amount		$ 100,000		$ 48,000		$ 48,000	$ 40,000
Share Price				$ 8.21
7.5% Convertible Senior Note \| Common Stock Forward
Capped Call and Common Stock Forward
Net cost incurred				$ 27,500