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Impact Of COVID-19 Pandemic On Liquidity (Details) - USD ($) $ in Thousands | 3 Months Ended | 12 Months Ended |
--- | --- | --- | ---
Jun. 30, 2022 | Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2020 | Dec. 31, 2019 | Jul. 03, 2023
Impact Of Covid [Line Items] |  |  |  |  |  |
Revenue |  | $ 203,115 | $ 139,060 | $ 77,862 | $ 276,800 |
Percent of revenue below pre-pandemic level |  | 27.00% |  |  |  |
Debt, Current |  | $ 47,200 |  |  |  |
Cash and cash equivalents |  | 29,947 | $ 83,251 | $ 26,826 |  |
Working capital |  | (74,200) |  |  |  |
Impairment charges against sites | $ 1,500 |  |  |  |  |
Scenario, Forecast [Member] |  |  |  |  |  |
Impact Of Covid [Line Items] |  |  |  |  |  |
Debt Current, Due At Date |  |  |  |  |  | $ 22,500
Westpac Bank Corporate Credit Facility [Member] |  |  |  |  |  |
Impact Of Covid [Line Items] |  |  |  |  |  |
Debt, Current |  | 8,800 |  |  |  |
Santander Bank [Member] |  |  |  |  |  |
Impact Of Covid [Line Items] |  |  |  |  |  |
Debt, Current |  | $ 8,000 |  |  |  |

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- Definition Amount of currency on hand as well as demand deposits with banks or financial institutions. Includes other kinds of accounts that have the general characteristics of demand deposits. Also includes short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates. Excludes cash and cash equivalents within disposal group and discontinued operation. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 4 -URI https://asc.fasb.org/extlink&oid=126954810&loc=d3e3044-108585 Reference 2: http://www.xbrl.org/2003/role/exampleRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section 45 -Paragraph 1 -Subparagraph (a) -URI https://asc.fasb.org/extlink&oid=124098289&loc=d3e6676-107765 Reference 3: 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(1)) -URI https://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 + Details
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