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Debt - 2021 Bonds and Loans Payable - Other (Details) - USD ($) $ in Thousands	Mar. 31, 2022	Dec. 31, 2021	Apr. 15, 2021
Debt Instrument [Line Items]
Long-term debt, total	$ 67,035	$ 66,962
Less current portion	(89)	(158)
Long-term portion	$ 66,946	66,804
2021 Bonds
Debt Instrument [Line Items]
Interest Rate			1.50%
Loans Payable \| 2021 Bonds
Debt Instrument [Line Items]
Interest Rate	1.50%
Long-term debt, total	$ 66,669	66,486
Loans Payable \| SBA Loans
Debt Instrument [Line Items]
Interest Rate	1.00%		1.00%
Long-term debt, total	$ 296	320	$ 300
Loans Payable \| Equipment
Debt Instrument [Line Items]
Long-term debt, total	$ 70	$ 156
Loans Payable \| Equipment \| Minimum
Debt Instrument [Line Items]
Interest Rate	4.00%
Loans Payable \| Equipment \| Maximum
Debt Instrument [Line Items]
Interest Rate	5.00%