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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 |  |  |  |

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- Definition Date the LIBOR contract expires, in CCYY-MM-DD format. + References No definition available. + Details
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- Definition Potential to increase to maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility. + References No definition available. + Details
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- Definition Date when the debt instrument is scheduled to be fully repaid, in CCYY-MM-DD format. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.22(a)(2)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (bbb)(2) -URI http://asc.fasb.org/extlink&oid=117815213&loc=d3e19207-110258 + Details
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- Definition The carrying value as of the balance sheet date of the current and noncurrent portions of long-term obligations drawn from a line of credit, which is a bank's commitment to make loans up to a specific amount. Examples of items that might be included in the application of this element may consist of letters of credit, standby letters of credit, and revolving credit arrangements, under which borrowings can be made up to a maximum amount as of any point in time conditional on satisfaction of specified terms before, as of and after the date of drawdowns on the line. Includes short-term obligations that would normally be classified as current liabilities but for which (a) postbalance sheet date issuance of a long term obligation to refinance the short term obligation on a long term basis, or (b) the enterprise has entered into a financing agreement that clearly permits the enterprise to refinance the short-term obligation on a long term basis and the following conditions are met (1) the agreement does not expire within 1 year and is not cancelable by the lender except for violation of an objectively determinable provision, (2) no violation exists at the BS date, and (3) the lender has entered into the financing agreement is expected to be financially capable of honoring the agreement. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(22)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03(16)) -URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03(16)) -URI http://asc.fasb.org/extlink&oid=119400593&loc=d3e572229-122910 + Details
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- Definition Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.19(b),22(b)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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