Debt - Restricted Cash Held by Bond Trustee (Details) - USD ($) $ in Thousands	Mar. 31, 2022	Dec. 31, 2021	Mar. 31, 2021
Restricted Cash and Cash Equivalents [Abstract]
Bond proceeds	$ 68,995
Disbursement of funds	(53,085)
Interest paid on bonds	(727)
Interest income	11
Total restricted cash held by Trustee	15,194
Total restricted cash for collateral	71,260
Total restricted cash and restricted cash equivalents	86,454
Current portion	(16,216)	$ (25,032)	$ 0
Long-term restricted cash	$ 70,238	$ 70,168	$ 0

Restricted Cash And Cash Equivalents, Bond Proceeds

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Restricted Cash And Cash Equivalents, Disbursement Of Funds

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Restricted Cash And Cash Equivalents, Held By Bond Trustee

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Restricted Cash And Cash Equivalents, Interest Income

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Restricted Cash And Cash Equivalents, Restricted Cash For Collateral

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Amount of cash and cash equivalents restricted as to withdrawal or usage. Cash includes, but is not limited to, currency on hand, demand deposits with banks or financial institutions, and other accounts with general characteristics of demand deposits. Cash equivalents include, but are not limited to, short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates.

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