Percentage points added to the reference rate to compute the variable rate on the debt instrument.

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

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- Definition

Period of time between issuance and maturity of debt instrument, in PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

No definition available.

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- Definition

Weighted average interest rate of debt outstanding.

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No definition available.

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- Definition

The total amount of the contingent obligation under letters of credit outstanding as of the reporting date.

+ References

No definition available.

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- Definition

Amount of current borrowing capacity under the credit facility considering any current restrictions on the amount that could be borrowed (for example, borrowings may be limited by the amount of current assets), but without considering any amounts currently outstanding under the facility.

+ References

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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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Amount of borrowing capacity currently available under the credit facility (current borrowing capacity less the amount of borrowings outstanding).

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- Definition

Including the current and noncurrent portions, carrying value as of the balance sheet date of uncollateralized debt obligations (with maturities initially due after one year or beyond the operating cycle if longer).

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- Definition

Percentage of amortization of line of credit facility as a percentage of principal amount.

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No definition available.

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- Definition

Maximum percentage price of original principal amount of debt at which debt can be redeemed with an amount not greater than the net cash proceeds of certain equity offerings or contributions to entity's equity.

+ References

No definition available.

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Percentage of net cash proceeds of equity offerings as a percentage of principal amount.

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Debt - Narrative (Details) - USD ($)		12 Months Ended
Debt - Narrative (Details) - USD ($)	Aug. 08, 2017	Dec. 31, 2019	Jun. 20, 2019	Dec. 31, 2018
Debt
Letters of credit issued and outstanding		$ 70,000,000
Letter of Credit
Debt
Unsecured debt		49,000,000
Term loan facility
Debt
Fair value of debt instruments		$ 365,000,000		$ 355,000,000
Aggregate principal amount	$ 375,000,000
Maturity term	7 years
Amortization of line of credit facility as a percentage of principal amount	1.00%
Term loan facility \| Federal funds rate
Debt
Interest rate basis as a percentage		0.50%
Term loan facility \| LIBOR
Debt
Interest rate basis as a percentage		1.00%
Senior notes
Debt
Fair value of debt instruments		$ 346,000,000		$ 300,000,000
Stated interest rate as a percentage		5.75%
Senior notes \| Prior to July 15 2020
Debt
Redemption price as a percentage		100.00%
Maximum aggregate principal amount not greater than net cash proceeds of certain equity offerings		40.00%
Net cash proceeds of equity offerings as a percentage of principal amount		105.75%
Senior notes \| Occurrence Certain Change Of Control Events
Debt
Net cash proceeds of equity offerings as a percentage of principal amount		101.00%
Senior Notes and Term Loan Facility
Debt
Weighted average interest rate (as a percent)		5.00%
Senior Credit Facilities
Debt
Aggregate principal amount	$ 675,000,000
ABL facility
Debt
Maturity term	5 years
Maximum borrowing capacity commitment	$ 300,000,000	$ 350,000,000	$ 350,000,000
Current borrowing capacity		273,000,000
Current available capacity		252,000,000
Letters of credit issued and outstanding		$ 21,000,000
ABL facility \| LIBOR \| Minimum
Debt
Interest rate basis as a percentage		1.50%
ABL facility \| LIBOR \| Maximum
Debt
Interest rate basis as a percentage		2.00%