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Subsequent Events	6 Months Ended
	Jun. 30, 2021
Subsequent Events [Abstract]
Subsequent Events	14. Subsequent Events Interest rate swap agreement In July 2021, we entered into an additional interest rate swap agreement (the "July 2021 Swap Agreement"), which effectively converts portions of our variable rate debt under the 2020 Credit Facility to a fixed rate for the term of the July 2021 Swap Agreement. The notional value of the July 2021 Swap Agreement was $75.0 million with an effective date beginning in July 2021 through Oct 2024. We designated the July 2021 Swap Agreement as a cash flow hedge at the inception of the contract. See Note 8 for information about our other interest rate swap agreements.

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- Definition

The entire disclosure for significant events or transactions that occurred after the balance sheet date through the date the financial statements were issued or the date the financial statements were available to be issued. Examples include: the sale of a capital stock issue, purchase of a business, settlement of litigation, catastrophic loss, significant foreign exchange rate changes, loans to insiders or affiliates, and transactions not in the ordinary course of business.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 855
-URI http://asc.fasb.org/topic&trid=2122774

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 855
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=6842918&loc=SL6314017-165662

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