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DEBT - Additional Information (Details) - USD ($) |  |  |  |  | 12 Months Ended | 63 Months Ended | 84 Months Ended | 163 Months Ended | 180 Months Ended |  |  |  |
--- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | ---
Jan. 27, 2023 | Sep. 01, 2022 | Jan. 28, 2022 | Dec. 29, 2017 | Jul. 27, 2024 | May 04, 2027 | Dec. 29, 2024 | Sep. 01, 2035 | Jan. 28, 2037 | Jul. 29, 2023 | Feb. 28, 2022 | Sep. 01, 2020 | May 12, 2020
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Loans receivable |  |  |  | $ 4,835,000 |  |  |  |  |  |  |  |  |
Interest on unrelated party note receivable percentage |  |  |  | 1.403% |  |  |  |  |  |  |  |  |
Third party contribution to investment fund |  |  |  | $ 2,375,000 |  |  |  |  |  |  |  |  |
Notes payable related to New Markets Tax Credit |  |  |  | $ 6,563,000 | $ 62,764,000 |  |  |  |  | $ 72,426,000 |  |  |
Interest rate, stated percentage |  |  |  | 1.00% |  |  |  |  |  |  |  |  |
Total debt, excluding obligations under leases |  |  |  |  | 72,245,000 |  |  |  |  | 81,796,000 |  |  |
Scenario, Forecast |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Benefit over recapture period |  |  |  |  |  |  | $ 1,728,000 |  |  |  |  |  |
Line of Credit | Medium-term Notes |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Total debt, excluding obligations under leases |  |  |  |  | 17,662,000 |  |  |  |  | $ 22,702,000 |  |  |
Secured Debt |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Effective interest rate net of subsidy | 5.34% |  |  |  |  |  |  |  |  |  |  |  |
Total debt, excluding obligations under leases | $ 7,125,000 |  |  |  |  |  |  |  |  |  |  |  |
Unsecured Debt |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Debt term |  | 7 years |  |  |  |  |  |  |  |  |  |  |
Effective interest rate |  | 4.30% |  |  |  |  |  |  |  |  |  |  |
Effective interest rate net of subsidy |  | 2.30% |  |  |  |  |  |  |  |  |  |  |
Total debt, excluding obligations under leases |  | $ 10,000,000 |  |  |  |  |  |  |  |  |  |  |
Credit Agreement with Wells Fargo National Bank, National Association | Line of Credit | Letter of Credit |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Maximum borrowing capacity |  |  |  |  | 25,000,000 |  |  |  |  |  |  |  |
Debt outstanding |  |  |  |  | 7,336,000 |  |  |  |  |  |  |  |
Line of credit, remaining borrowing capacity |  |  |  |  | $ 67,664,000 |  |  |  |  |  |  |  |
Amended and Restated Credit Agreement | Line of Credit | Revolving Credit Facility |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Maximum borrowing capacity |  |  | $ 75,000,000 |  |  |  |  |  |  |  |  |  |
Face amount of debt |  |  |  |  |  |  |  |  |  |  |  | $ 50,000,000 |
Debt term |  |  |  |  | 15 years |  |  |  |  |  |  |  |
Amended and Restated Credit Agreement | Line of Credit | Medium-term Notes |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Face amount of debt |  |  |  |  |  |  |  |  |  |  |  |  | $ 25,500,000
Debt term |  |  |  |  | 7 years |  |  |  |  |  |  |  |
Effective interest rate |  |  |  |  |  |  |  |  |  |  | 1.72% |  |
Amended and Restated Credit Agreement | Secured Debt |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Face amount of debt |  |  | $ 7,350,000 |  |  |  |  |  |  |  |  |  |
Debt term |  |  |  |  | 15 years |  |  |  |  |  |  |  |
Effective interest rate |  |  | 2.91% |  |  |  |  |  |  |  | 2.18% |  |
Secured Overnight Financing Rate (SOFR) Overnight Index Swap Rate | Line of Credit |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Basis spread on variable rate |  | 0.57% |  |  |  |  |  |  |  |  |  |  |
Secured Overnight Financing Rate (SOFR) Overnight Index Swap Rate | Secured Debt |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Basis spread on variable rate | 1.75% |  |  |  |  |  |  |  |  |  |  |  |
Derivative, fixed rate |  | 3.59% |  |  |  |  |  |  |  |  |  |  |
Secured Overnight Financing Rate (SOFR) Overnight Index Swap Rate | Unsecured Debt |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Basis spread on variable rate |  | 1.35% |  |  |  |  |  |  |  |  |  |  |
Derivative, fixed rate |  | 2.95% |  |  |  |  |  |  |  |  |  |  |
Secured Overnight Financing Rate (SOFR) Overnight Index Swap Rate | Amended and Restated Credit Agreement | Line of Credit | Revolving Credit Facility |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Basis spread on variable rate |  |  | 1.10% |  |  |  |  |  |  |  |  |  |
Secured Overnight Financing Rate (SOFR) Overnight Index Swap Rate | Amended and Restated Credit Agreement | Line of Credit | Medium-term Notes |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Derivative, fixed rate |  |  |  |  |  |  |  |  |  |  | 0.26% |  |
Secured Overnight Financing Rate (SOFR) Overnight Index Swap Rate | Amended and Restated Credit Agreement | Line of Credit | Medium-term Notes | Scenario, Forecast |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Basis spread on variable rate |  |  |  |  |  | 1.46% |  |  |  |  |  |  |
Secured Overnight Financing Rate (SOFR) Overnight Index Swap Rate | Amended and Restated Credit Agreement | Secured Debt | Scenario, Forecast |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Basis spread on variable rate |  |  |  |  |  |  |  | 1.61% | 1.50% |  |  |  |
Interest Rate Swap | Secured Overnight Financing Rate (SOFR) Overnight Index Swap Rate | Amended and Restated Credit Agreement | Secured Debt |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Derivative, fixed rate |  |  | 1.41% |  |  |  |  |  |  |  |  |  |

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