Long-term Debt - Additional Information (Details) - USD ($) $ in Millions	12 Months Ended
Dec. 31, 2021	Dec. 31, 2020
Debt Disclosure [Abstract]
Net loss on reacquired debt	$ 2.4	$ 4.2
Fair value of long-term debt	$ 1,292.5	$ 1,374.8
Percent of patronage capital to total long-term debt and patronage capital required for distribution	20.00%
Maximum distribution as percent of patronage capital	5.00%

The fair value amount of long-term debt whether such amount is presented as a separate caption or as a parenthetical disclosure. Additionally, this element may be used in connection with the fair value disclosures required in the footnote disclosures to the financial statements. The element may be used in both the balance sheet and disclosure in the same submission.

No definition available.

Name:	us-gaap_LongTermDebtFairValue
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant