Debt - Additional Information (Details) - USD ($)		9 Months Ended	24 Months Ended	36 Months Ended
	May 24, 2018	Nov. 02, 2019	May 24, 2023	May 24, 2021	Sep. 05, 2019	Feb. 02, 2019
Debt Instrument [Line Items]
Unamortized debt issuance costs		$ 201,000				$ 243,000
FILO Loan
Debt Instrument [Line Items]
Line of credit facility, maximum borrowing capacity					$ 15,000,000
Line of credit facility, maturity date		May 24, 2023
FILO Loan | 1-Month LIBOR-based Borrowings
Debt Instrument [Line Items]
Line of credit facility, amount outstanding		$ 15,000,000
Line of credit facility interest rate		5.14%
LIBOR contract, expiration date		Nov. 17, 2019
FILO Loan | Scenario Forecast
Debt Instrument [Line Items]
Line of credit facility, basis points				0.50%
FILO Loan | Minimum | Scenario Forecast | Federal Funds Rate
Debt Instrument [Line Items]
Line of credit facility, basis spread on variable rate			1.75%	2.25%
FILO Loan | Minimum | Scenario Forecast | LIBOR-based Borrowings
Debt Instrument [Line Items]
Line of credit facility, basis spread on variable rate			2.75%	3.25%
FILO Loan | Maximum | Scenario Forecast | Federal Funds Rate
Debt Instrument [Line Items]
Line of credit facility, basis spread on variable rate			2.00%	2.50%
FILO Loan | Maximum | Scenario Forecast | LIBOR-based Borrowings
Debt Instrument [Line Items]
Line of credit facility, basis spread on variable rate			3.00%	3.50%
Credit Facility
Debt Instrument [Line Items]
Line of credit facility, amount outstanding	$ 140,000,000	$ 68,500,000
Line of credit facility, maximum borrowing capacity	125,000,000
Line of credit facility, potential maximum borrowing capacity	$ 50,000,000
Minimum loan cap percentage	12.50%
Line of credit facility	$ 7,500,000
Line of credit facility, maturity date		May 24, 2023
Unamortized debt issuance costs		$ 300,000
Line of credit facility, remaining borrowing capacity		40,600,000
Line of credit facility, average monthly outstanding amount		58,700,000
Line of credit facility, average unused excess availability		$ 38,500,000
Unused line fee		0.25%
Credit Facility | LIBOR-based Borrowings
Debt Instrument [Line Items]
Line of credit facility, amount outstanding		$ 65,000,000
Line of credit facility interest rate		3.06%
LIBOR contract, expiration date		Nov. 04, 2019
Credit Facility | Prime-based Borrowings
Debt Instrument [Line Items]
Line of credit facility interest rate		5.00%
Credit Facility | Scenario Forecast
Debt Instrument [Line Items]
Minimum loan cap percentage			10.00%
Credit Facility | Minimum
Debt Instrument [Line Items]
Debt instrument consolidated fixed coverage ratio	100.00%
Credit Facility | Minimum | Federal Funds Rate
Debt Instrument [Line Items]
Line of credit facility, basis spread on variable rate		0.25%
Credit Facility | Minimum | LIBOR-based Borrowings
Debt Instrument [Line Items]
Line of credit facility, basis spread on variable rate		1.25%
Credit Facility | Maximum | Federal Funds Rate
Debt Instrument [Line Items]
Line of credit facility, basis spread on variable rate		0.50%
Credit Facility | Maximum | LIBOR-based Borrowings
Debt Instrument [Line Items]
Line of credit facility, basis spread on variable rate		1.50%
Credit Facility | Commercial And Standby Letter Of Credits
Debt Instrument [Line Items]
Line of credit facility, maximum borrowing capacity	$ 20,000,000
Credit Facility | Swingline Loans
Debt Instrument [Line Items]
Line of credit facility, maximum borrowing capacity	$ 15,000,000
Credit Facility | Standby Letters of Credit
Debt Instrument [Line Items]
Letters of credit outstanding, amount		$ 2,700,000
Credit Facility | Documentary Letters of Credit
Debt Instrument [Line Items]
Letters of credit outstanding, amount		$ 300,000