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Impact Of COVID-19 Pandemic And Liquidity (Details) $ in Millions |  | 3 Months Ended | 6 Months Ended | 12 Months Ended
--- | --- | --- | --- | ---
Mar. 06, 2020 USD ($) | Jun. 30, 2022 USD ($) | Jun. 30, 2022 USD ($) | Jun. 30, 2022 AUD ($) | Jun. 30, 2021 USD ($) | Dec. 31, 2021 USD ($)
Impact Of Covid [Line Items] |  |  |  |  |  |
Change in cash |  |  | $ (27,122,000) |  | $ 91,630,000 |
Contractual Facility |  |  | 240,626,000 |  |  | $ 248,948,000
Impairment of long-lived assets |  | $ 1,549,000 | 1,549,000 |  |  |
Goodwill, Impairment Loss |  |  | 0 |  |  |
Proceeds from sale of assets |  |  |  |  | 141,363,000 |
Repayment of long-term borrowings |  |  | 3,889,000 |  | $ 75,257,000 |
Impairment charges against sites |  |  | $ 1,549,000 |  |  |
Shadow View Land And Farming, LLC [Member] |  |  |  |  |  |
Impact Of Covid [Line Items] |  |  |  |  |  |
Ownership percentage by noncontrolling interest |  | 50.00% | 50.00% | 50.00% |  |
Bank Of America Credit Facility [Member] |  |  |  |  |  |
Impact Of Covid [Line Items] |  |  |  |  |  |
Contractual Facility | $ 55,000,000.0 |  | $ 36,750,000 |  |  | 39,500,000
Westpac Bank Corporate Credit Facility [Member] |  |  |  |  |  |
Impact Of Covid [Line Items] |  |  |  |  |  |
Contractual Facility |  |  | $ 8,643,000 | $ 13.8 |  | $ 9,465,000

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