Long-Term Debt and CARES Act Loans - Narrative (Details) | Aug. 06, 2021USD ($) | Aug. 10, 2020USD ($) | May 08, 2020USD ($) | May 04, 2020USD ($)subsidiary | Oct. 04, 2019USD ($)item | Aug. 16, 2016USD ($) | Jun. 05, 2015USD ($) | Jun. 30, 2021USD ($)employee | Jun. 30, 2020USD ($) | Jun. 30, 2021USD ($)employee | Jun. 30, 2020USD ($) | Dec. 31, 2020USD ($) |
Debt Instrument [Line Items] | | | | | | | | | | | | |
Interest expense | | | | | | | | $ 1,100,000 | $ 1,000,000 | $ 2,200,000 | $ 2,100,000 | |
Weighted average interest rate | | | | | | | | 8.50% | | 8.50% | | 8.50% |
Standby letters of credit outstanding | | | | | | | | $ 1,300,000 | | $ 1,300,000 | | |
Debt issuance costs | | | | | | | | 1,632,000 | | 1,632,000 | | $ 1,856,000 |
Debt instrument, term | | | | | | 5 years | 5 years | | | | | |
CARES Act loan forgiveness | | | | | | | | | | (8,561,000) | | |
Debt interest rate | | | | | | 5.00% | 5.00% | | | | | |
Goldman Sachs Credit Agreement | | | | | | | | | | | | |
Debt Instrument [Line Items] | | | | | | | | | | | | |
Basis spread on variable rate | | | | | 4.75% | | | | | | | |
Debt issuance costs | | | | | | | | 2,500,000 | | 2,500,000 | | $ 2,500,000 |
Goldman Sachs Credit Agreement | Minimum | | | | | | | | | | | | |
Debt Instrument [Line Items] | | | | | | | | | | | | |
Minimum consolidated liquidity | | | | | $ 1,500,000 | | | | | | | |
Goldman Sachs Credit Agreement | Minimum | Subsequent Event [Member] | | | | | | | | | | | | |
Debt Instrument [Line Items] | | | | | | | | | | | | |
Consolidated leverage ratio | 1 | | | | | | | | | | | |
Goldman Sachs Credit Agreement | Maximum | Subsequent Event [Member] | | | | | | | | | | | | |
Debt Instrument [Line Items] | | | | | | | | | | | | |
Consolidated leverage ratio | 2 | | | | | | | | | | | |
Goldman Sachs Credit Agreement | Fiscal quarter ending September 30, 2020 | | | | | | | | | | | | |
Debt Instrument [Line Items] | | | | | | | | | | | | |
Consolidated leverage ratio | | 2.85 | | | 2.85 | | | | | | | |
Goldman Sachs Credit Agreement | Fiscal quarter ending December 31, 2020 | | | | | | | | | | | | |
Debt Instrument [Line Items] | | | | | | | | | | | | |
Consolidated leverage ratio | | 3.60 | | | 3.60 | | | | | | | |
Goldman Sachs Credit Agreement | Fiscal quarter ending March 31, 2021 | | | | | | | | | | | | |
Debt Instrument [Line Items] | | | | | | | | | | | | |
Consolidated leverage ratio | | 3.10 | | | 3.10 | | | | | | | |
Goldman Sachs Credit Agreement | Fiscal quarters ending June 30, 2021 and September 30, 2021 | | | | | | | | | | | | |
Debt Instrument [Line Items] | | | | | | | | | | | | |
Consolidated leverage ratio | | 2.10 | | | 2.10 | | | | | | | |
Goldman Sachs Credit Agreement | Fiscal quarter ending December 31, 2021 | | | | | | | | | | | | |
Debt Instrument [Line Items] | | | | | | | | | | | | |
Consolidated leverage ratio | | 1.90 | | | 1.90 | | | | | | | |
Goldman Sachs Credit Agreement | Fiscal quarter thereafter | | | | | | | | | | | | |
Debt Instrument [Line Items] | | | | | | | | | | | | |
Fixed charge coverage ratio | | | 1.50 | | 1.50 | | | | | | | |
Goldman Sachs Credit Agreement | Fiscal year 2020 | Maximum | | | | | | | | | | | | |
Debt Instrument [Line Items] | | | | | | | | | | | | |
Maximum consolidated capital expenditures | | $ 7,000,000 | | | | | | | | | | |
Goldman Sachs Credit Agreement | Fiscal year 2021 | Maximum | | | | | | | | | | | | |
Debt Instrument [Line Items] | | | | | | | | | | | | |
Maximum consolidated capital expenditures | | 7,000,000 | | | | | | | | | | |
Goldman Sachs Credit Agreement | Fiscal year 2020 and 2021 | Minimum | | | | | | | | | | | | |
Debt Instrument [Line Items] | | | | | | | | | | | | |
Minimum consolidated liquidity | | $ 4,000,000 | $ 4,000,000 | | | | | | | | | |
Goldman Sachs Credit Agreement | Fiscal year 2020 and 2021 | Maximum | | | | | | | | | | | | |
Debt Instrument [Line Items] | | | | | | | | | | | | |
Maximum consolidated capital expenditures | | | | | $ 7,000,000 | | | | | | | |
Goldman Sachs Credit Agreement | Fiscal year 2021 and every fiscal year thereafter | | | | | | | | | | | | |
Debt Instrument [Line Items] | | | | | | | | | | | | |
Number of quarters | item | | | | | 4 | | | | | | | |
Consolidated leverage ratio | | | | | 1.50 | | | | | | | |
Goldman Sachs Credit Agreement | Fiscal year 2021 and every fiscal year thereafter | Maximum | | | | | | | | | | | | |
Debt Instrument [Line Items] | | | | | | | | | | | | |
Maximum consolidated capital expenditures | | | | | $ 8,000,000 | | | | | | | |
Goldman Sachs Credit Agreement | LIBOR | | | | | | | | | | | | |
Debt Instrument [Line Items] | | | | | | | | | | | | |
Basis spread on variable rate | | | | | 1.75% | | | | | | | |
Goldman Sachs Credit Agreement | LIBOR | Subsequent Event [Member] | | | | | | | | | | | | |
Debt Instrument [Line Items] | | | | | | | | | | | | |
Basis spread on variable rate | 1.75% | | | | | | | | | | | |
Goldman Sachs Credit Agreement | Base Rate | | | | | | | | | | | | |
Debt Instrument [Line Items] | | | | | | | | | | | | |
Basis spread on variable rate | | | | | 0.50% | | | | | | | |
Goldman Sachs Credit Agreement | Base Rate | Subsequent Event [Member] | | | | | | | | | | | | |
Debt Instrument [Line Items] | | | | | | | | | | | | |
Basis spread on variable rate | 0.50% | | | | | | | | | | | |
Goldman Sachs Credit Agreement | One Month LIBOR | | | | | | | | | | | | |
Debt Instrument [Line Items] | | | | | | | | | | | | |
Basis spread on variable rate | | | | | 1.00% | | | | | | | |
Goldman Sachs Credit Agreement | One Month LIBOR | Subsequent Event [Member] | | | | | | | | | | | | |
Debt Instrument [Line Items] | | | | | | | | | | | | |
Basis spread on variable rate | 1.00% | | | | | | | | | | | |
Revolving Credit Facility | | | | | | | | | | | | |
Debt Instrument [Line Items] | | | | | | | | | | | | |
Available amount | | | | | | | | $ 10,700,000 | | $ 10,700,000 | | |
Secured revolving credit facility | | | | | $ 12,000,000 | | | | | | | |
Revolving Credit Facility | Minimum | Subsequent Event [Member] | | | | | | | | | | | | |
Debt Instrument [Line Items] | | | | | | | | | | | | |
Secured revolving credit facility | $ 12,000,000 | | | | | | | | | | | |
Term Loans | | | | | | | | | | | | |
Debt Instrument [Line Items] | | | | | | | | | | | | |
Face value of debt | | | | | $ 48,000,000 | | | | | | | |
Term Loans | Subsequent Event [Member] | | | | | | | | | | | | |
Debt Instrument [Line Items] | | | | | | | | | | | | |
Face value of debt | 48,000,000 | | | | | | | | | | | |
Term Loans | Minimum | Subsequent Event [Member] | | | | | | | | | | | | |
Debt Instrument [Line Items] | | | | | | | | | | | | |
Face value of debt | $ 25,000,000 | | | | | | | | | | | |
Term Loans | LIBOR | Subsequent Event [Member] | | | | | | | | | | | | |
Debt Instrument [Line Items] | | | | | | | | | | | | |
Basis spread on variable rate | 5.00% | | | | | | | | | | | |
Term Loans | LIBOR | Minimum | | | | | | | | | | | | |
Debt Instrument [Line Items] | | | | | | | | | | | | |
Basis spread on variable rate | | | | | 5.75% | | | | | | | |
Term Loans | LIBOR | Minimum | Subsequent Event [Member] | | | | | | | | | | | | |
Debt Instrument [Line Items] | | | | | | | | | | | | |
Basis spread on variable rate | 5.75% | | | | | | | | | | | |
Term Loans | LIBOR | Maximum | | | | | | | | | | | | |
Debt Instrument [Line Items] | | | | | | | | | | | | |
Basis spread on variable rate | | | | | 6.75% | | | | | | | |
Term Loans | LIBOR | Maximum | Subsequent Event [Member] | | | | | | | | | | | | |
Debt Instrument [Line Items] | | | | | | | | | | | | |
Basis spread on variable rate | 6.75% | | | | | | | | | | | |
Term Loans | Base Rate | Subsequent Event [Member] | | | | | | | | | | | | |
Debt Instrument [Line Items] | | | | | | | | | | | | |
Basis spread on variable rate | 4.00% | | | | | | | | | | | |
Term Loans | Base Rate | Minimum | | | | | | | | | | | | |
Debt Instrument [Line Items] | | | | | | | | | | | | |
Basis spread on variable rate | | | | | 4.75% | | | | | | | |
Term Loans | Base Rate | Minimum | Subsequent Event [Member] | | | | | | | | | | | | |
Debt Instrument [Line Items] | | | | | | | | | | | | |
Basis spread on variable rate | 4.75% | | | | | | | | | | | |
Term Loans | Base Rate | Maximum | | | | | | | | | | | | |
Debt Instrument [Line Items] | | | | | | | | | | | | |
Basis spread on variable rate | | | | | 5.75% | | | | | | | |
Term Loans | Base Rate | Maximum | Subsequent Event [Member] | | | | | | | | | | | | |
Debt Instrument [Line Items] | | | | | | | | | | | | |
Basis spread on variable rate | 5.75% | | | | | | | | | | | |
First Sterling Agreement | Construction Loans | Sterling National Bank | | | | | | | | | | | | |
Debt Instrument [Line Items] | | | | | | | | | | | | |
Face value of debt | | | | | | | $ 1,000,000 | | | | | |
Second Sterling Agreement | Construction Loans | Sterling National Bank | | | | | | | | | | | | |
Debt Instrument [Line Items] | | | | | | | | | | | | |
Face value of debt | | | | | | $ 700,000 | | | | | | |
CARES ACT Loans | | | | | | | | | | | | |
Debt Instrument [Line Items] | | | | | | | | | | | | |
Number of employees return to work from furlough | employee | | | | | | | | 3,000 | | 3,000 | | |
Number of subsidiaries | subsidiary | | | | 2 | | | | | | | | |
CARES Act loan forgiveness | | | | | | | | | | $ 8,600,000 | | |
Eligibility percentage for loan forgiveness | | | | 60.00% | | | | | | | | |
CARES ACT Loans | STK | | | | | | | | | | | | |
Debt Instrument [Line Items] | | | | | | | | | | | | |
Loan received | | | | $ 9,800,000 | | | | | | | | |
CARES ACT Loans | Kona Grill | | | | | | | | | | | | |
Debt Instrument [Line Items] | | | | | | | | | | | | |
Loan received | | | | $ 8,500,000 | | | | | | | | |