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

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

Amount of cash paid for interest, including, but not limited to, capitalized interest and payment to settle zero-coupon bond attributable to accreted interest of debt discount and debt instrument with insignificant coupon interest rate in relation to effective interest rate of borrowing attributable to accreted interest of debt discount; classified as operating and investing activities.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 50
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=123431023&loc=d3e4297-108586

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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.

+ 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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- 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

Line of Credit Facility, Accordion Feature, Increase Limit

+ References

No definition available.

+ Details

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Long-Term Debt (Narrative) (Details) - USD ($)		12 Months Ended
Long-Term Debt (Narrative) (Details) - USD ($)	Mar. 20, 2020	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Debt Instrument [Line Items]
Interest paid		$ 1,200,000	$ 1,300,000	$ 1,400,000
2020 Credit Agreement
Debt Instrument [Line Items]
Line of credit facility, accordion feature, increase limit	$ 25,000,000
2020 Credit Agreement \| Base rate
Debt Instrument [Line Items]
Interest rate in addition to LIBOR	0.25%
2020 Credit Agreement \| LIBOR Or CDOR \| Minimum
Debt Instrument [Line Items]
Interest rate in addition to LIBOR	1.50%
Quarterly commitment fee	0.25%
2020 Credit Agreement \| LIBOR Or CDOR \| Maximum
Debt Instrument [Line Items]
Interest rate in addition to LIBOR	2.75%
Quarterly commitment fee	0.40%
2020 Credit Agreement \| Revolving Credit Facility
Debt Instrument [Line Items]
Principle amount	$ 75,000,000
2020 Credit Agreement \| Letter Of Credit
Debt Instrument [Line Items]
Principle amount	$ 10,000,000
Other Lines of Credit \| Line of Credit
Debt Instrument [Line Items]
Principle amount		3,000,000	3,000,000
Letters of credit outstanding		$ 2,000,000	$ 400,000