Debt Instrument, Number Of Debt Covenants

No definition available.

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- Definition

Line of Credit Facility, Annual Borrowing Capacity, Maximum

+ References

No definition available.

+ Details

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

- Definition

Line of Credit Facility, Leverage Ratio, Multiplier, Minimum

+ References

No definition available.

+ Details

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- 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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- Definition

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

+ References

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+ Details

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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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- 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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- 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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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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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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Long-Term Debt (Narrative) (Details)		6 Months Ended
Long-Term Debt (Narrative) (Details)	Jan. 24, 2019 USD ($)	Jun. 30, 2022 USD ($) debtCovenant	Dec. 31, 2021 USD ($)
Debt Instrument [Line Items]
Revolving credit facility, leverage ratio, multiplier, minimum	3.0
Revolving Credit Facility \| Senior Credit Agreement
Debt Instrument [Line Items]
Revolving credit facility, availability amount		$ 301,500,000	$ 369,300,000
Line of Credit \| Revolving credit facility
Debt Instrument [Line Items]
Current borrowing capacity	$ 400,000,000
Letters of credit issued	700,000,000
Number of debt covenants \| debtCovenant		3
Revolving credit facility, annual borrowing capacity, maximum	$ 75,000,000
Line of Credit \| Revolving credit facility \| Minimum
Debt Instrument [Line Items]
Revolving credit facility, undrawn commitment fee	0.15%
Line of Credit \| Revolving credit facility \| Minimum \| London Interbank Offered Rate (LIBOR)
Debt Instrument [Line Items]
Revolving credit facility, interest rates margin	1.125%
Line of Credit \| Revolving credit facility \| Maximum
Debt Instrument [Line Items]
Revolving credit facility, undrawn commitment fee	0.25%
Line of Credit \| Revolving credit facility \| Maximum \| London Interbank Offered Rate (LIBOR)
Debt Instrument [Line Items]
Revolving credit facility, interest rates margin	2.00%
Line of Credit \| Standby Letters of Credit \| Senior Credit Agreement
Debt Instrument [Line Items]
Debt instrument, issued value		$ 4,500,000
Medium-term Notes \| Revolving credit facility
Debt Instrument [Line Items]
Debt instrument, issued value	$ 300,000,000