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Long-term Debt - Narrative (Details) - USD ($) | Jan. 15, 2021 | Dec. 20, 2018 | Mar. 31, 2021
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$150 million revolving line of credit, due January 15, 2025 | Line of Credit |  |  |
Line of Credit Facility [Line Items] |  |  |
Initial borrowing capacity | $ 110,000,000.0 |  |
Weighted average interest rate |  |  | 2.42%
$150 million revolving line of credit, due January 15, 2025 | Delayed Draw Term Loan |  |  |
Line of Credit Facility [Line Items] |  |  |
Initial borrowing capacity | $ 5,000,000.0 |  |
$150 million revolving line of credit, due January 15, 2025 | Delayed Draw Term Loan | London Interbank Offered Rate (LIBOR) |  |  |
Line of Credit Facility [Line Items] |  |  |
Basis spread | 1.65% |  |
$20 million term loan, due February 1, 2024 |  |  |
Line of Credit Facility [Line Items] |  |  |
Debt term |  | 5 years |
$20 million term loan, due February 1, 2024 | Secured Debt |  |  |
Line of Credit Facility [Line Items] |  |  |
Principal amount of debt |  | $ 20,000,000 | $ 20,000,000
Revolving Credit Facility | $150 million revolving line of credit, due January 15, 2025 | Line of Credit |  |  |
Line of Credit Facility [Line Items] |  |  |
Debt term | 4 years |  |
Maximum borrowing capacity | $ 150,000,000.0 |  |
Initial borrowing capacity | $ 105,000,000.0 |  | 10,500,000
Minimum amount of excess availability required to be had |  |  | $ 7,500,000
Percentage of minimum amount of excess availability required to be had |  |  | 10.00%
Remaining borrowing capacity |  |  | $ 41,200,000
Revolving Credit Facility | $150 million revolving line of credit, due January 15, 2025 | Line of Credit | Base Rate |  |  |
Line of Credit Facility [Line Items] |  |  |
Basis spread | 0.50% |  |
Revolving Credit Facility | $150 million revolving line of credit, due January 15, 2025 | Line of Credit | London Interbank Offered Rate (LIBOR) |  |  |
Line of Credit Facility [Line Items] |  |  |
Basis spread | 1.50% |  |
Revolving Credit Facility | $150 million revolving line of credit, due January 15, 2025 | Machinery and Equipment Sub Limit |  |  |
Line of Credit Facility [Line Items] |  |  |
Initial borrowing capacity | $ 17,500,000 |  |
Line of credit quarterly payments | $ 400,000 |  |
Revolving Credit Facility | $100 million revolving line of credit, due December 20, 2021 | Line of Credit |  |  |
Line of Credit Facility [Line Items] |  |  |
Maximum borrowing capacity |  | $ 100,000,000.0 |

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