Debt and Capital Lease Obligations [Line Items]

No definition available.

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- Definition

Debt Instrument, Additional Amount Issued

+ References

No definition available.

+ Details

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- Definition

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

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 835
-SubTopic 30
-Section 45
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=119993939&loc=d3e28551-108399

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 835
-SubTopic 30
-Section 55
-Paragraph 8
-URI http://asc.fasb.org/extlink&oid=114775985&loc=d3e28878-108400

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- Definition

Contractual interest rate for funds borrowed, under the debt agreement.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.22(a)(1))
-URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682

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- Definition

Amount, after accumulated amortization, of debt premium.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 835
-SubTopic 30
-Section 55
-Paragraph 8
-URI http://asc.fasb.org/extlink&oid=114775985&loc=d3e28878-108400

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 835
-SubTopic 30
-Section 45
-Paragraph 1A
-URI http://asc.fasb.org/extlink&oid=119993939&loc=d3e28541-108399

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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.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 835
-SubTopic 30
-Section 45
-Paragraph 3
-URI http://asc.fasb.org/extlink&oid=119993939&loc=d3e28555-108399

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Balance Type:	debit
Period Type:	instant

- Definition

Represents the portion of interest incurred in the period on debt arrangements that was charged against earnings, excluding amortization of debt discount (premium) and financing costs.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 220
-SubTopic 10
-Section S99
-Paragraph 2
-Subparagraph 8
-URI http://asc.fasb.org/extlink&oid=120395209&loc=SL114868664-224227

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Convertible Debt and Notes Payable - Notes Payable (Details) - Senior Notes - USD ($)	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018	Sep. 30, 2019	Jun. 30, 2019	May 07, 2019	Jun. 11, 2018	Dec. 14, 2017	Dec. 08, 2017
2024 Notes
Debt and Capital Lease Obligations [Line Items]
Debt Instrument, Face Amount						$ 53,000,000.0
Interest rate						7.25%
Debt Instrument, Additional amount issued				$ 25,000,000.0
Debt Instrument, Unamortized Premium	$ 500,000
Interest Expense, Debt, Excluding Amortization	5,700,000	$ 2,900,000
Debt Issuance Costs, Gross		600,000				$ 1,500,000
2033 Notes
Debt and Capital Lease Obligations [Line Items]
Debt Instrument, Face Amount					$ 10,000,000.0		$ 90,000,000.0
Interest rate							7.75%
Interest Expense, Debt, Excluding Amortization	7,700,000	7,700,000	$ 4,300,000
Debt Issuance Costs, Gross							$ 3,600,000
2027 Notes
Debt and Capital Lease Obligations [Line Items]
Debt Instrument, Face Amount								$ 18,000,000.0	$ 120,000,000.0
Interest rate									7.35%
Interest Expense, Debt, Excluding Amortization	$ 10,100,000	$ 10,100,000	$ 10,100,000
Debt Issuance Costs, Gross									$ 5,000,000.0