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Investments - Narrative (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023	Mar. 31, 2024	Dec. 31, 2023
Schedule of Equity Method Investments [Line Items]
SERP investments at fair value	$ 2,451		$ 2,451			$ 2,290
CoBank
Schedule of Equity Method Investments [Line Items]
SERP investments at fair value	11,800		11,800		$ 1,600	$ 10,100
Other nonoperating income (expense)	$ 400	$ 200	$ 700	$ 300
Percentage of patronage credit paid in cash	88.00%		88.00%
Percentage of patronage credit paid in share	12.00%		12.00%

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Amount of investment in equity security measured at fair value with change in fair value recognized in net income (FV-NI), classified as current.

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