| Long-Term Debt - Mortgages (Details) - USD ($) | 1 Months Ended | |||
|---|---|---|---|---|
| Apr. 30, 2021 | Jul. 31, 2020 | Dec. 31, 2021 | Dec. 31, 2020 | |
| Debt Instrument [Line Items] | ||||
| Debt instrument carrying amount | $ 35,130,000 | $ 13,495,000 | ||
| Mortgage loan agreements | ||||
| Debt Instrument [Line Items] | ||||
| Debt instrument carrying amount | $ 7,380,000 | $ 5,423,000 | ||
| Loans payable in monthly installments of principal and interest | $ 32,000 | |||
| Mortgage loan agreements | Building | ||||
| Debt Instrument [Line Items] | ||||
| Debt instrument carrying amount | $ 2,200,000 | $ 5,500,000 | ||
| Debt interest rate | 3.60% | 3.67% | ||
| Loans payable in monthly installments of principal and interest | $ 130 | |||
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- Definition Amount, before unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but is not limited to, notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt. Reference 1: http://www.xbrl.org/2003/role/disclosureRef 
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- Definition Contractual interest rate for funds borrowed, under the debt agreement. Reference 1: http://www.xbrl.org/2003/role/disclosureRef 
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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. No definition available. 
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- Definition Amount of the required periodic payments including both interest and principal payments. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef 
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