Line of Credit (Line of Credit) (Details) - Line of Credit - Amended Revolving Credit Facility - USD ($)	Jan. 27, 2021	Apr. 30, 2022
Debt Instrument [Line Items]
Revolving credit facility maximum borrowings	$ 225,000,000
Line of credit facility, accordion feature, increase limit	$ 150,000,000
Debt instrument, interest rate, increase (decrease)	2.00%
Minimum availability of aggregate commitments and loan cap required, percent	12.50%
Minimum availability of loan cap after stepdown date required, percent	10.00%
Period required for availability of loan cap requirement	60 days
Maximum allowed to be borrowed based on available cash balance	$ 50,000,000
Line of credit facility, current borrowing capacity		$ 0
Line of credit facility, remaining borrowing capacity		$ 191,000,000
Minimum Availability Of Aggregate Commitments And Loan Cap Required In Event Of Default Or Availability, Percent	15.00%
Minimum
Debt Instrument [Line Items]
Commitment fee percentage	1.25%
Maximum
Debt Instrument [Line Items]
Commitment fee percentage	1.75%
Base Rate \| Minimum
Debt Instrument [Line Items]
Interest rate on borrowings (percent)	0.25%
Base Rate \| Maximum
Debt Instrument [Line Items]
Interest rate on borrowings (percent)	0.75%
LIBOR \| Minimum
Debt Instrument [Line Items]
Interest rate on borrowings (percent)	1.25%
LIBOR \| Maximum
Debt Instrument [Line Items]
Interest rate on borrowings (percent)	1.75%

Line Of Credit Facility, Maximum Allowed To Be Borrowed Based On Available Cash Balance

No definition available.

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Balance Type:	credit
Period Type:	instant

- Definition

Line of Credit Facility, Accordion Feature, Increase Limit

+ References

No definition available.

+ Details

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- Definition

Minimum Availability Of Aggregate Commitments And Loan Cap Required In Event Of Default Or Availability, Percent

+ References

No definition available.

+ Details

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- Definition

Minimum Availability Of Aggregate Commitments And Loan Cap Required, Percent

+ References

No definition available.

+ Details

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- Definition

Minimum Availability Of Loan Cap After Stepdown Date Required, Percent

+ References

No definition available.

+ Details

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- Definition

Period Required For Availability Of Loan Cap Requirement

+ 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

Incremental percentage increase (decrease) in the stated rate on a debt instrument.

+ References

No definition available.

+ Details

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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.

+ 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

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.19(b),22(b))
-URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682

+ Details

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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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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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- Definition

The fee, expressed as a percentage of the line of credit facility, for available but unused credit capacity under the credit facility.

+ References

No definition available.

+ Details

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