| **Financial Instruments and Fair Value Measurements - Additional information (Details) - USD ($)** | 1 Months Ended | 3 Months Ended | 9 Months Ended | 12 Months Ended |        |              |
|----------------------------------------------------------------------------------------------------|----------------|----------------|----------------|-----------------|--------|--------------|
||
| **Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]**   |           |           |           |            |   |         |   |   |
| Total debt                                                                                         |           | $ 69,726,000   |           | $ 69,726,000    |   |         | $ 63,804,000 |   |
| Retained interest promissory note receivable                                                       |           | 20,000,000     |           | 20,000,000      |   | $ 15,200,000 |   |   |
| Notes, maturity period                                                                             |           |           |           |            |   | 15 years     |   |   |
| Retained Interest                                                                                  |           |           |           |            |   |         |   |   |
| **Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]**   |           |           |           |            |   |         |   |   |
| Other than Temporary Impairment Losses, Investments                                                |           | 0              | $ 0            | 0               | $ 0    |         |   |   |
| Carrying Value | Level 3                                                                           |           |           |           |            |   |         |   |   |
| **Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]**   |           |           |           |            |   |         |   |   |
| Retained Interest, Fair Value Disclosure                                                           |           | $ 10,137,000   |           | $ 10,137,000    |   |         | $ 9,932,000 |   |
| Minimum                                                                                            |           |           |           |            |   |         |   |   |
| **Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]**   |           |           |           |            |   |         |   |   |
| Note maturity year                                                                                 |           |           |           |            |   | 2022         |   |   |
| Retained interest, effective interest rate                                                         |           |           |           | 3.70%           |   |         |   |   |
| Maximum                                                                                            |           |           |           |            |   |         |   |   |
| **Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]**   |           |           |           |            |   |         |   |   |
| Note maturity year                                                                                 |           |           |           |            |   | 2024         |   |   |
| Retained interest, effective interest rate                                                         |           |           |           | 11.60%          |   |         |   |   |
| Subsequent Event                                                                                   |           |           |           |            |   |         |   |   |
| **Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]**   |           |           |           |            |   |         |   |   |
| Repayments of Debt                                                                                 | $ 25,300,000   |           |           |            |   |         |   |   |
| Defeased Debt                                                                                      |           |           |           |            |   |         |   |   |
| **Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]**   |           |           |           |            |   |         |   |   |
| Total debt                                                                                         |           |           |           |            |   |         |   | $ 29,300,000 |

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|--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
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Discount rate on retained interest.
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Notes Maturity Year
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| X                                                                                                                                                                                                                                                                                                                 |
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Promissory Note, Expected Net Interest Payment And Principal Amount
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Promissory Notes Maturity Period
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| - Definition
Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.
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No definition available.
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| - Definition
The amount by which the fair value of an investment is less than the amortized cost basis or carrying amount of that investment at the balance sheet date and the decline in fair value is deemed to be other than temporary, before considering whether or not such amount is recognized in earnings or other comprehensive income.
+ References
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|--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - Definition
Carrying amount of long-term debt, net of unamortized discount or premium, including current and noncurrent amounts. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.
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| - Definition
The cash outflow during the period from the repayment of aggregate short-term and long-term debt. Excludes payment of capital lease obligations.
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No definition available.
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|-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - Definition
Fair value portion of interest continued to be held by a transferor after transferring financial assets to a third party.
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