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Assets and Liabilities Held for Sale (Details) - Disposal Group, Held-for-sale, Not Discontinued Operations - Corporate Headquarters Building - USD ($) | 3 Months Ended | 6 Months Ended
--- | --- | ---
Sep. 30, 2020 | Jun. 30, 2020 | Jun. 30, 2019 | Jun. 30, 2020 | Jun. 30, 2019
Assets and Liabilities Held for Sale [Line Items] |  |  |  |  |
Impairment of Real Estate |  | $ 0 | $ 38,000,000.0 | $ 0 | $ 38,000,000.0
Forecast |  |  |  |  |
Assets and Liabilities Held for Sale [Line Items] |  |  |  |  |
Expected proceeds from sale of buildings | $ 35,500,000 |  |  |  |
Disposal group, not discontinued operations, earnest money deposits | $ 100,000 |  |  |  |

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- Definition Assets and Liabilities Held for Sale + References No definition available. + Details
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- Definition Disposal Group, Not Discontinued Operations, Earnest Money Deposits + References No definition available. + Details
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- Definition The charge against earnings in the period to reduce the carrying amount of real property to fair value. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=121586364&loc=d3e3602-108585 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 360 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=109226691&loc=d3e2921-110230 + Details
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