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Derivative Financial Instruments (Narrative) (Details) $ in Thousands	Sep. 30, 2020 agreement	Sep. 28, 2020 USD ($) agreement
Derivative [Line Items]
Number of interest rate swap agreements | agreement	10
Interest Rate Swap [Member]
Derivative [Line Items]
Number of derivatives terminated | agreement		4
Payments to terminate derivative		$ 853
Interest Rate Swap Terminated One [Member]
Derivative [Line Items]
Notional amount		150,000
Interest Rate Swap Terminated Two [Member]
Derivative [Line Items]
Notional amount		150,000
Interest Rate Swap Terminated Three [Member]
Derivative [Line Items]
Notional amount		50,000
Interest Rate Swap Terminated Four [Member]
Derivative [Line Items]
Notional amount		$ 50,000

X

- 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.

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- Definition

Nominal or face amount used to calculate payment on derivative.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 10
-Section 50
-Paragraph 1B
-URI http://asc.fasb.org/extlink&oid=121590274&loc=SL5580258-113959

Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 10
-Section 50
-Paragraph 1A
-Subparagraph (d)
-URI http://asc.fasb.org/extlink&oid=121590274&loc=SL5579245-113959

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- Definition

Number of interest rate derivative instruments held by the entity at the reporting date.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 10
-Section 50
-Paragraph 1A
-Subparagraph (d)
-URI http://asc.fasb.org/extlink&oid=121590274&loc=SL5579245-113959

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 10
-Section 50
-Paragraph 1B
-URI http://asc.fasb.org/extlink&oid=121590274&loc=SL5580258-113959

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Number of derivative instruments terminated.

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- Definition

Total cash payments made to counterparties of derivative instruments to terminate derivative agreements.

+ References

No definition available.

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