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Long-term Debt - Schedule Of Maturities of Long Term Debt (Details) | 12 Months Ended
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Dec. 31, 2020 USD ($)
Debt Disclosure [Abstract] |
2021 | $ 53,037,000
2022 | 4,000,000
2023 | 4,000,000
2024 | 333,000
2025 | 0
Thereafter | 0
Revolving Line of Credit | Machinery And Equipment Sub-Limit |
Debt Instrument [Line Items] |
Line of credit, maximum borrowing capacity | 17,500,000
Quarterly repayments | $ 400,000

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