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Trade Accounts and Financing Receivables - Additional Information (Details) - USD ($) | 3 Months Ended |
--- | --- | ---
Dec. 31, 2021 | Mar. 31, 2020 | Sep. 30, 2021
Accounts Notes And Loans Receivable [Line Items] |  |  |
Value of notes with customer | $ 10,613,000 |  | $ 7,896,000
Term of sales-type lease | 6 months |  |
Future minimum lease payments | $ 1,500,000 |  |
Interest income related to lease | 6,000 |  |
Secured Promissory Note |  |  |
Accounts Notes And Loans Receivable [Line Items] |  |  |
Value of notes with customer | $ 3,700,000 | $ 10,000,000.0 |
Term of the notes | 9 months | 3 years |
Monthly principal and interest payments | $ 400,000 | $ 300,000 |
Frequency of payments |  | monthly |
Manufactured Rental Equipment |  |  |
Accounts Notes And Loans Receivable [Line Items] |  |  |
Promissory notes receivable maximum interest rate | 8.00% |  |
Promissory notes receivable maturity month and year | 2023-07 |  |
Product |  |  |
Accounts Notes And Loans Receivable [Line Items] |  |  |
Partially financed product sale |  | $ 12,500,000 |

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