Debt Instrument, Convertible, Threshold Business Days

No definition available.

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- Definition

Debt Instrument, Holding Threshold To Declare Debt Due

+ References

No definition available.

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- Definition

Minimum Days Prior to Redemption To Elect Conversion

+ References

No definition available.

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- Definition

Redemption Date Minimum Days

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No definition available.

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- Definition

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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- Definition

Amount of a favorable spread to a debt holder between the amount of debt being converted and the value of the securities received upon conversion. This is an embedded conversion feature of convertible debt issued that is in-the-money at the commitment date.

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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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- Definition

Threshold period of specified consecutive trading days within which common stock price to conversion price of convertible debt instrument must exceed threshold percentage for specified number of trading days to trigger conversion feature.

+ References

No definition available.

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- Definition

Minimum percentage of common stock price to conversion price of convertible debt instruments to determine eligibility of conversion.

+ References

No definition available.

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- Definition

Threshold number of specified trading days that common stock price to conversion price of convertible debt instruments must exceed threshold percentage within a specified consecutive trading period to trigger conversion feature.

+ References

No definition available.

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- Definition

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

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- Definition

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

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- Definition

Net increase or decrease in the carrying amount of the debt instrument for the period.

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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.

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Amount of the required periodic payments applied to interest.

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Amount of the required periodic payments applied to principal.

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- Definition

Percentage price of original principal amount of debt at which debt can be redeemed by the issuer.

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- Definition

Amount, after accumulated amortization, of debt discount.

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- Definition

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

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- Definition

Difference between the fair value of payments made and the carrying amount of debt which is extinguished prior to maturity.

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Credit Facilities (3.25% Convertible Senior Notes due 2020) (Details)			12 Months Ended
	Apr. 03, 2019 USD ($) day	Nov. 02, 2015 USD ($) $ / shares	Dec. 31, 2019 USD ($) day	Dec. 31, 2018 USD ($)	Dec. 31, 2017 USD ($)	Mar. 31, 2019 USD ($)	Aug. 09, 2018 USD ($)
Debt Instrument [Line Items]
Gain (loss) on extinguishment of debt			$ (11,756,000)	$ (2,270,000)	$ (6,512,000)
Convertible Senior Notes Due 2020
Debt Instrument [Line Items]
Debt instrument, stated interest rate			3.25%				3.25%
2.25% Senior Notes
Debt Instrument [Line Items]
Debt instrument, stated interest rate			2.25%
Convertible notes \| Convertible Senior Notes Due 2020
Debt Instrument [Line Items]
Debt instrument, stated interest rate		3.25%					3.25%
Debt instrument face amount							$ 40,500,000.0
Periodic payment, principal			$ 0
Holding threshold to declare debt due			25.00%
Fair value disclosure		$ 97,800,000.0
Beneficial conversion feature		27,200,000.0
Debt instrument, unamortized discount		2,900,000.0
Gain (loss) on extinguishment of debt			$ 17,500,000.0
Decrease in debt carrying value			16,900,000.0
Debt issuance costs, gross			100,000
Convertible notes \| Convertible Senior Notes Due 2020 \| Minimum
Debt Instrument [Line Items]
Periodic payment, interest			721,000
Convertible notes \| Convertible Senior Notes Due 2020 \| Maximum
Debt Instrument [Line Items]
Periodic payment, interest			$ 842,000
Convertible notes \| Convertible Senior Notes Issued November, 2015
Debt Instrument [Line Items]
Debt instrument face amount		$ 125,000,000
Threshold trading days \| day			20
Convertible debt redemption, consecutive trading days threshold \| day			30
Convertible debt redemption, percentage of stock price trigger			130.00%
Redemption date, minimum days			30 days
Minimum days prior to redemption to elect conversion			2 days
Redemption price, percentage			100.00%
Convertible debt, conversion ratio			0.0089431
Conversion price (USD per share) \| $ / shares		$ 111.82
Convertible notes payable			$ 10,658,000
Convertible notes \| Convertible Senior Notes Issued November, 2015 \| Debt Instrument, Redemption, Period Two
Debt Instrument [Line Items]
Convertible debt redemption, consecutive trading days threshold \| day			5
Convertible debt redemption, percentage of stock price trigger			98.00%
Threshold business days			5 days
Convertible notes \| 5% Note
Debt Instrument [Line Items]
Debt instrument, stated interest rate	5.00%					5.00%
Debt instrument face amount	$ 25,000,000.0
Convertible debt redemption, consecutive trading days threshold \| day	5
Convertible debt, conversion ratio	0.15129
Convertible notes payable			$ 26,500,000.0
Debt issuance costs, gross			400,000.0
Convertible notes \| 5% Note \| Minimum
Debt Instrument [Line Items]
Periodic payment, interest			4,400,000.0
Convertible notes \| 5% Note \| Maximum
Debt Instrument [Line Items]
Periodic payment, interest			$ 14,700,000.0
Other Assets \| Convertible notes \| Convertible Senior Notes Due 2020
Debt Instrument [Line Items]
Debt instrument, unamortized discount		$ 3,700,000.0
Additional Paid-In Capital \| Convertible notes \| Convertible Senior Notes Due 2020
Debt Instrument [Line Items]
Debt instrument, unamortized discount		$ 800,000.0
Revolving loan facility
Debt Instrument [Line Items]
Debt instrument, stated interest rate						5.50%
Revolving loan facility \| Amended and Restated Facility Agreement
Debt Instrument [Line Items]
Debt instrument face amount							$ 40,500,000.0
Two Investors \| Convertible notes \| Convertible Senior Notes Issued November, 2015
Debt Instrument [Line Items]
Debt instrument face amount						$ 73,400,000.0
Two Investors \| Convertible notes \| 5% Note
Debt Instrument [Line Items]
Debt instrument face amount	$ 42,000,000.0