Related Party Transaction, Percent Ownership In Parent

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- Definition

Service Agreement Termination Prior to Extension, Term

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- Definition

Services Agreements, Initial Term

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- Definition

Services Agreements, Renewal Term

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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
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- Definition

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

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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition

Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

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- Definition

Professional and contract service expense includes cost reimbursements for support services related to contracted projects, outsourced management, technical and staff support.

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No definition available.

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- Definition

Expenses recognized resulting from transactions (excluding transactions that are eliminated in consolidated or combined financial statements) with related party.

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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
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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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Related Party Transaction (Details) - USD ($)	12 Months Ended
Related Party Transaction (Details) - USD ($)	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018	Jun. 30, 2016
Related Party Transaction [Line Items]
Percentage ownership of par common stock	10.00%
Travel and out of pocket expenses	$ 50,000
Investor
Related Party Transaction [Line Items]
Initial term of service agreements	1 year
Renewal term for service agreements	1 year
Termination period between extension date	60 days
Equity Group Investments \| Investor
Related Party Transaction [Line Items]
Related party transaction, expenses from transactions with related party	$ 0	$ 0	$ 0
5.00% Convertible Senior Notes due 2021
Related Party Transaction [Line Items]
Debt instrument, interest rate	5.00%			5.00%
5.00% Convertible Senior Notes due 2021 \| Convertible Debt
Related Party Transaction [Line Items]
Aggregate principal amount				$ 115,000,000.0
Debt instrument, interest rate	5.00%			5.00%
5.00% Convertible Senior Notes due 2021 \| Convertible Debt \| Whitebox Advisors, LLC \| Affiliated Entity
Related Party Transaction [Line Items]
Aggregate principal amount				$ 47,500,000
Line credit maximum borrowing amount				32,500,000
5.00% Convertible Senior Notes due 2021 \| Convertible Debt \| Highbridge \| Affiliated Entity
Related Party Transaction [Line Items]
Aggregate principal amount				40,400,000
Senior Unsecured Convertible Notes due 2021 \| Convertible Debt \| Whitebox Advisors, LLC \| Affiliated Entity
Related Party Transaction [Line Items]
Line credit maximum borrowing amount				$ 100,000,000