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Debt - Term Loans (Narrative) (Details) - USD ($) |  |  | 6 Months Ended |
--- | --- | --- | --- | ---
Jul. 22, 2022 | Apr. 24, 2020 | Jun. 30, 2024 | Jun. 30, 2023 | Dec. 31, 2023
Debt Instrument [Line Items] |  |  |  |  |
Principal amount advanced |  |  | $ 645,000 | $ 643,000 |
Long-term debt |  |  | 20,603,000 |  | $ 21,519,000
Debt Issuance Costs, Gross |  |  | 250,000 |  | 291,000
Interest rate swaps: |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Interest rate swap initial aggregate amount |  |  | $ 25,000,000 |  |
Fixed interest rate (as a percent) |  |  | 2.95% |  |
Fair value of interest rate swap |  |  | $ 797,000 |  | $ 524,000
Huntington Term Loans |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Debt Issuance Costs, Gross |  |  | 402,000 |  |
Huntington Term Loans | Period One |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Periodic payment | $ 104,000 |  |  |  |
Huntington Term Loans | Period Two |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Periodic payment | 156,000 |  |  |  |
Huntington Capex Loan |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Principal amount |  |  | $ 25,000,000 |  |
Loans Payable | Huntington Term Loans |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Principal amount | 75,000,000 |  |  |  |
Debt instrument, commitments | $ 25,000,000 |  |  |  |
Stated interest rate | 0.00% |  |  |  |
Percentage of equity interests |  |  | 65.00% |  |
Loans Payable | Huntington Term Loans | Federal Funds Rate |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Basis points | 0.50% |  |  |  |
Loans Payable | Huntington Term Loans | Secured Overnight Financing Rate (SOFR) Overnight Index Swap Rate |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Basis points | 1.00% |  |  |  |
Loans Payable | Huntington Term Loans | Secured Overnight Financing Rate (SOFR) Overnight Index Swap Rate | Minimum |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Basis points | 2.80% |  |  |  |
Loans Payable | Huntington Term Loans | Secured Overnight Financing Rate (SOFR) Overnight Index Swap Rate | Maximum |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Basis points | 3.30% |  |  |  |
Loans Payable | Huntington Loans |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Stated interest rate |  |  | 7.14% |  | 7.11%
Loans Payable | Leaf Capital term loan payable |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Principal amount |  | $ 175,000 |  |  |
Stated interest rate |  | 5.50% |  |  |
Debt term |  | 60 months |  |  |
Revolving Credit Facility | Huntington Revolving Loan |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Principal amount | $ 25,000,000 |  | $ 25,000,000 |  |
Debt instrument, amount available |  |  | $ 25,000,000 |  |
SOFR Loans | Huntington Term Loans |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Stated interest rate | 0.00% |  |  |  |
SOFR Loans | Huntington Term Loans | Secured Overnight Financing Rate (SOFR) Overnight Index Swap Rate | Minimum |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Basis points | 1.80% |  |  |  |
SOFR Loans | Huntington Term Loans | Secured Overnight Financing Rate (SOFR) Overnight Index Swap Rate | Maximum |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Basis points | 2.30% |  |  |  |
Term Loan | Huntington Term Loans |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Principal amount | $ 25,000,000 |  |  |  |
Stated interest rate |  |  | 4.75% |  | 4.75%
Term Loan | Huntington Term Loans | Period Three |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Periodic payment | $ 208,000 |  |  |  |

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