Debt - Narrative (Details) - USD ($)	1 Months Ended
	Apr. 30, 2021	Apr. 30, 2020	Mar. 31, 2024	Dec. 31, 2023	Apr. 15, 2021
Debt Instrument [Line Items]
Long-term debt			$ 68,273,000	$ 68,118,000
Bond Letter of Credit
Debt Instrument [Line Items]
Letters of credit outstanding			$ 0
2021 Bonds, net
Debt Instrument [Line Items]
Aggregate principal amount					$ 68,155,000
Interest rate					1.50%
Effective interest rate (in percent)					1.10%
Debt collateral amount					$ 71,200,000
Debt premium				100,000	800,000
Debt issuance costs				300,000	$ 3,000,000.0
2021 Bonds, net | Loans Payable
Debt Instrument [Line Items]
Interest rate			1.50%
Long-term debt			$ 68,155,000	67,967,000
SBA Loans | Loans Payable
Debt Instrument [Line Items]
Interest rate			1.00%
Proceeds from issuance of long-term debt		$ 1,000,000.0
Debt instrument, decrease, forgiveness	$ 500,000
Long-term debt			$ 94,000	$ 119,000
Debt Instrument, monthly payment	$ 8,230
SBA Loans | Loans Payable | Agri-Energy
Debt Instrument [Line Items]
Interest rate	1.00%
Debt instrument, decrease, forgiveness	$ 100,000
Long-term debt	$ 200,000
Remarketed 2021 Bonds
Debt Instrument [Line Items]
Interest rate			3.875%
Effective interest rate (in percent)			1.20%
Debt collateral amount			$ 69,600,000
Debt issuance costs			$ 1,700,000