Debt Instrument, Number of Debt Covenants

No definition available.

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Data Type:	xbrli:integerItemType
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Period Type:	instant

- Definition

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

+ References

No definition available.

+ Details

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Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- 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
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+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- 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.

+ Details

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Balance Type:	na
Period Type:	duration

- Definition

The fee, expressed as a percentage of the line of credit facility, for the line of credit facility regardless of whether the facility has been used.

+ References

No definition available.

+ Details

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Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- 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

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
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-SubTopic 10
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-Paragraph 1
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+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- 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.

+ References

+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

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

+ References

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Amount, after unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 470
-SubTopic 20
-Section 50
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+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Details

Name:	us-gaap_DebtInstrumentAxis=us-gaap_OtherDebtSecuritiesMember
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Data Type:	na
Balance Type:
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- Details

Name:	us-gaap_LongtermDebtTypeAxis=us-gaap_LineOfCreditMember
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Data Type:	na
Balance Type:
Period Type:

- Details

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- Details

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- Details

Name:	us-gaap_VariableRateAxis=us-gaap_LondonInterbankOfferedRateLIBORMember
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- Details

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- Details

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- Details

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- Details

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- Details

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Debt (Narrative) (Details)	Jan. 24, 2019 USD ($)	Dec. 31, 2020 USD ($) debtCovenant	Dec. 31, 2019 USD ($)
Debt Instrument [Line Items]
Carrying value of outstanding debt		$ 85,600,000	$ 0
Number of debt covenants \| debtCovenant		3
Other Debt
Debt Instrument [Line Items]
Carrying value of outstanding debt		$ 600,000
Revolving Credit Facility \| 2019 Senior Credit Agreement
Debt Instrument [Line Items]
Carrying value of outstanding debt		85,000,000.0
Current borrowing capacity	$ 400,000,000
Maximum borrowing capacity under the revolving credit facility	$ 700,000,000
Revolving Credit Facility \| 2019 Senior Credit Agreement \| Minimum
Debt Instrument [Line Items]
Annual commitment fee	0.15%
Revolving Credit Facility \| 2019 Senior Credit Agreement \| Minimum \| LIBOR
Debt Instrument [Line Items]
LIBOR floor, plus	1.125%
Revolving Credit Facility \| 2019 Senior Credit Agreement \| Maximum
Debt Instrument [Line Items]
Annual commitment fee	0.25%
Revolving Credit Facility \| 2019 Senior Credit Agreement \| Maximum \| LIBOR
Debt Instrument [Line Items]
LIBOR floor, plus	2.00%
Term Loan \| 2019 Senior Credit Agreement
Debt Instrument [Line Items]
Term loan (up to)	$ 300,000,000
Standby Letters of Credit \| Senior Credit Agreement
Debt Instrument [Line Items]
Maximum borrowing capacity under the revolving credit facility		5,800,000
Revolving Credit Facility \| Senior Credit Agreement
Debt Instrument [Line Items]
Carrying value of outstanding debt		85,000,000	0
Availability amount		$ 309,200,000	$ 394,000,000.0