Commitment fee percentage

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- Definition

Debt Instrument Call Feature Redemption Price As Percentage Of Principal Redeemed

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No definition available.

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- Definition

Letters Of Credit Issued Amount

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- Definition

Line of Credit Facility, Reduced Borrowing Capacity

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No definition available.

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- Definition

Maximum Credit Amount, Maximum Commitments That Could Be Elected By Lenders

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No definition available.

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- Definition

Permitted Debt Resulting in Accelerated Maturity Date

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No definition available.

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- Definition

Redemption Price As Percentage Of Principal Redeemed If Equity Offering Proceeds Used

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No definition available.

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- Definition

Revolving Credit Facility Interest Rate Percent Above LIBOR.

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No definition available.

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- Definition

Revolving credit facility interest rate percent above Libor alternate interest rate

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No definition available.

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- Definition

Sale Leaseback Transaction, Early Buyout Option To Purchase Equipment

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No definition available.

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- Definition

Represents the caption on the face of the balance sheet to indicate that the entity has entered into (1) purchase or supply arrangements that will require expending a portion of its resources to meet the terms thereof, and (2) is exposed to potential losses or, less frequently, gains, arising from (a) possible claims against a company's resources due to future performance under contract terms, and (b) possible losses or likely gains from uncertainties that will ultimately be resolved when one or more future events that are deemed likely to occur do occur or fail to occur.

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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.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
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- Definition

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

+ References

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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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- Definition

Percentage of principal amount of debt redeemed.

+ References

No definition available.

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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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- Definition

The effective interest rate during the reporting period.

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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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Long-Term Debt - Narrative (Details) - USD ($)	12 Months Ended
Long-Term Debt - Narrative (Details) - USD ($)	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017	Feb. 10, 2019
Debt Instrument [Line Items]
Line of credit facility, reduced borrowing capacity	$ 334,000,000.0
Principal amount	765,000,000	$ 625,000,000
(Gain) loss on extinguishment of debt	0	257,000	$ 8,239,000
Debt Instrument, Fair Value Disclosure	$ 586,200,000	594,400,000
Line of Credit Facility, Interest Rate During Period	4.00%
Purchase of equipment				$ 1,800,000
Maximum Credit Amount, Maximum Commitments That Could Be Elected By Lenders	$ 1,500,000,000
Commitments and Contingencies
Minimum
Debt Instrument [Line Items]
Revolving credit facility, interest rate above London Interbank Offered Rate	1.50%
Revolving credit facility interest rate percent above LIBOR alternate interest rate	0.50%
Commitment fee percentage	0.375%
Maximum
Debt Instrument [Line Items]
Revolving credit facility, interest rate above London Interbank Offered Rate	2.50%
Revolving credit facility interest rate percent above LIBOR alternate interest rate	1.50%
Commitment fee percentage	0.50%
Amended Credit Facility
Debt Instrument [Line Items]
Line of credit facility, maximum borrowing capacity	$ 500,000,000.0
Letters of credit issued amount	26,000,000.0
Principal amount	140,000,000	0
Debt Instrument, Maturity Date	(100,000,000.0)
(Gain) loss on extinguishment of debt		300,000
Debt Instrument, Fair Value Disclosure	140,000,000.0	0
7.625% Senior Notes
Debt Instrument [Line Items]
(Gain) loss on extinguishment of debt			$ 7,900,000
7.0% Senior Notes
Debt Instrument [Line Items]
Principal amount	$ 350,000,000.0	350,000,000
Debt, stated interest rate	7.00%		7.00%
Debt Instrument, Fair Value Disclosure	$ 335,000,000.0	329,700,000
8.75% Senior Notes
Debt Instrument [Line Items]
Principal amount	$ 275,000,000	275,000,000
Debt, stated interest rate	8.75%
Debt Instrument, Fair Value Disclosure	$ 251,200,000	264,700,000
Lease Financing Obligation
Debt Instrument [Line Items]
Principal amount	$ 0	1,859,000
Debt Instrument, Fair Value Disclosure		$ 1,800,000
2019 \| 7.0% Senior Notes
Debt Instrument [Line Items]
Par value of senior notes	101.167%
2020 \| 7.0% Senior Notes
Debt Instrument [Line Items]
Par value of senior notes	100.00%
2020 \| 8.75% Senior Notes
Debt Instrument [Line Items]
Par value of senior notes	106.563%
2021 \| 8.75% Senior Notes
Debt Instrument [Line Items]
Par value of senior notes	104.375%
2022 \| 8.75% Senior Notes
Debt Instrument [Line Items]
Par value of senior notes	102.188%
2023 \| 8.75% Senior Notes
Debt Instrument [Line Items]
Par value of senior notes	100.00%
Prior to June 15, 2020 \| 8.75% Senior Notes
Debt Instrument [Line Items]
Par value of senior notes	100.00%
Debt Instrument, Redemption Price, Percentage of Principal Amount Redeemed	35.00%
Redemption Price As Percentage Of Principal Redeemed If Equity Offering Proceeds Used	108.75%