v3.21.1

Revolving Credit Facility (Details) $ in Thousands			3 Months Ended
	May 12, 2020 USD ($) agreement	Oct. 27, 2011 USD ($)	May 02, 2020 USD ($)
Revolving Line of Credit
Borrowings under revolving credit facility			$ 43,700
Number of covenants | agreement	1
Line of Credit
Revolving Line of Credit
Term of credit facility		5 years
Maximum borrowing capacity	$ 75,000	$ 50,000
Borrowing capacity, accordion feature	25,000
Maximum borrowing capacity including accordion expansion	$ 100,000
Unused commitment fee (as a percent)	0.20%
Line of Credit | Eurodollar Rate
Revolving Line of Credit
Increase pricing for loans (as a percent)	1.00%
Line of Credit | Federal Fund Rate
Revolving Line of Credit
Margin added to variable rate (as a percent)	0.50%
First interest rate | Line of Credit | Eurodollar Rate
Revolving Line of Credit
Margin added to variable rate (as a percent)	1.25%
First interest rate | Line of Credit | Base Rate
Revolving Line of Credit
Margin added to variable rate (as a percent)	0.25%
Second interest rate | Line of Credit | Eurodollar Rate
Revolving Line of Credit
Margin added to variable rate (as a percent)	1.50%
Second interest rate | Line of Credit | Base Rate
Revolving Line of Credit
Margin added to variable rate (as a percent)	0.50%
Third interest rate | Line of Credit | Eurodollar Rate
Revolving Line of Credit
Margin added to variable rate (as a percent)	1.75%
Third interest rate | Line of Credit | Base Rate
Revolving Line of Credit
Margin added to variable rate (as a percent)	0.75%

X

- Definition

Increase the pricing for loans as a percent.

+ References

No definition available.

+ Details

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- Definition

Number of financial covenants under the debt agreement.

+ References

No definition available.

+ Details

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- Definition

Represents the amount of expected borrowings subsequent to the payment of cash dividends within a specified period, under the terms of the line of credit facility covenants.

+ References

No definition available.

+ Details

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X

- Definition

Represents the maximum borrowing capacity under the credit facility when the accordion option is exercised, without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

+ 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.

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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

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

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

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

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X

- 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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- Definition

Amount of cash inflow from contractual arrangement with the lender, including but not limited to, letter of credit, standby letter of credit and revolving credit arrangements.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 14
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=121586364&loc=d3e3255-108585

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 235
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.4-08.(f))
-URI http://asc.fasb.org/extlink&oid=120395691&loc=d3e23780-122690

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