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Significant Accounting Policies - Narrative (Details) | 1 Months Ended | 12 Months Ended |  |
--- | --- | --- | --- | ---
Sep. 30, 2019 USD ($) | Dec. 31, 2020 USD ($) segment shares | Dec. 31, 2019 USD ($) | Apr. 12, 2019 $ / shares shares | Jan. 01, 2019 USD ($)
Cash and Cash Equivalents [Line Items] |  |  |  |  |
FDIC coverage limit |  | $ 250,000 |  |  |
Cash balance in excess of FDIC limit |  | 41,900,000 | $ 8,100,000 |  |
Impairment of goodwill |  | 0 | 4,359,000 |  |
Impairment of intangible assets |  | $ 0 | 0 |  |
Number of operating segments | segment |  | 2 |  |  |
ASC Topic 606 |  |  |  |  |
Cash and Cash Equivalents [Line Items] |  |  |  |  |
Cumulative adjustment for impact of adoption of new accounting principle |  |  |  |  | $ 639,000
ASC Topic 606 | Retained Earnings |  |  |  |  |
Cash and Cash Equivalents [Line Items] |  |  |  |  |
Cumulative adjustment for impact of adoption of new accounting principle |  |  |  |  | 639,000
ASC Topic 842 |  |  |  |  |
Cash and Cash Equivalents [Line Items] |  |  |  |  |
Cumulative adjustment for impact of adoption of new accounting principle |  |  |  |  | (128,000)
ASC Topic 842 | Retained Earnings |  |  |  |  |
Cash and Cash Equivalents [Line Items] |  |  |  |  |
Cumulative adjustment for impact of adoption of new accounting principle |  |  |  |  | $ (128,000)
Construction |  |  |  |  |
Cash and Cash Equivalents [Line Items] |  |  |  |  |
Impairment of goodwill | $ 4,400,000 |  | $ 4,400,000 |  |
Minimum |  |  |  |  |
Cash and Cash Equivalents [Line Items] |  |  |  |  |
Term of contract |  | 6 months |  |  |
Finite-lived intangible asset, useful life |  | 1 year |  |  |
Minimum | Building And Leasehold Improvements |  |  |  |  |
Cash and Cash Equivalents [Line Items] |  |  |  |  |
Property, plant and equipment, useful life |  | 5 years |  |  |
Minimum | Machinery and equipment |  |  |  |  |
Cash and Cash Equivalents [Line Items] |  |  |  |  |
Property, plant and equipment, useful life |  | 3 years |  |  |
Maximum |  |  |  |  |
Cash and Cash Equivalents [Line Items] |  |  |  |  |
Term of contract |  | 2 years |  |  |
Finite-lived intangible asset, useful life |  | 15 years |  |  |
Maximum | Building And Leasehold Improvements |  |  |  |  |
Cash and Cash Equivalents [Line Items] |  |  |  |  |
Property, plant and equipment, useful life |  | 40 years |  |  |
Maximum | Machinery and equipment |  |  |  |  |
Cash and Cash Equivalents [Line Items] |  |  |  |  |
Property, plant and equipment, useful life |  | 10 years |  |  |
Refinancing Term Loan 2019 |  |  |  |  |
Cash and Cash Equivalents [Line Items] |  |  |  |  |
Long-term debt |  | $ 39,000,000 |  |  |
2019 Refinancing Term Loan embedded derivative |  |  |  |  |
Cash and Cash Equivalents [Line Items] |  |  |  |  |
Long-term debt |  | $ 0 |  |  |
Number of warrants per each share of common stock (in shares) | shares |  | 0 |  | 263,314 |
Warrant exercise price (in usd per share) | $ / shares |  |  |  | $ 7.63 |
Revolving Credit Facility | 2019 ABL Credit Agreement |  |  |  |  |
Cash and Cash Equivalents [Line Items] |  |  |  |  |
Line of credit facility, fair value of amount outstanding |  | $ 0 |  |  |

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