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Fair Value of Financial Instruments - Textual (Details) - Brandywine 1919 Ventures $ in Millions | Jun. 26, 2018 USD ($)
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Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |
Mortgage loan | $ 44.4
Equity method investment, ownership percentage | 50.00%
Other Assets |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |
Mortgage loan | $ 44.4

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